Ethanolamine

HCID 700CAS 12220-07-4

基本情報

標準SMILES
NCCO
InChIKey
HZAXFHJVJLSVMW-UHFFFAOYSA-N
分子式
C2H7NO
平均分子量
61.08 g/mol
単同位体質量
61.05276385

名称と識別子

優先名称
Ethanolamine
IUPAC
2-aminoethanol
英語名
Acid Orange 86
分子量
0

名称と別名

Ethanolamine2-aminoethanol141-43-5monoethanolamineOlamine2-Aminoethan-1-ol2-HydroxyethylaminecolamineAminoethanolEthanol, 2-amino-Ethylolamine2-Hydroxyethanamine
名称をさらに表示
Acid Orange 86Irgalan Orange RLNavilan Orange RLDinalan Orange RLLanasyn Orange RLVicoacid Orange 86Cibalan Orange RLNACID ORANGE RL 200%,ACID ORANGE 86Acid Orange 86 ISO 9001:2015 REACH
2-Amino-1-ethanolbeta-Hydroxyethylamine2-Ethanolamine1-Amino-2-hydroxyethanebeta-Aminoethyl alcoholThiofaco M-50Aethanolamin2-Aminoethyl alcohol

データベース識別子

CAS
12220-07-4、12220-09-6、141-43-5、9007-33-4
PubChem CID
700
DTXSID
DTXSID6022000
ChEMBL
CHEMBL104943
ChEBI
CHEBI:16000
UNII
5KV86114PT
EC Number
205-483-3、602-038-9、618-436-0、682-672-0
Nikkaji
J2.536D

物性

構造計算による物性

XLogP
-1.3
極性表面積
46.3 Ų
水素結合供与体数
2
水素結合受容体数
2
回転可能結合数
1
重原子数
4

実験および物理化学的性質

pH25% aqueous solution: 12.1; 0.1 N aqueous solution: 12.05
LogP · 4 件

-1.31

log Kow = -1.31

-1.31

-1.31 (estimated)

OdorUnpleasant, ammonia-like
Density · 6 件

1.016 at 68 °F (USCG, 1999) - Denser than water; will sink

1.0180 g/cu cm at 20 °C

Relative density (water = 1): 1.02

1.02

1.0180 @ 20°C

1.02

Viscosity18.95 cP at 25 °C; 5.03 cP at 60 °C
Color/FormColorless, viscous liquid or solid (below 51 °F)

安全と法規制

GHS分類

GHS Classification · 6 件

Danger

H302: Harmful if swallowed [Warning Acute toxicity, oral];H312: Harmful in contact with skin [Warning Acute toxicity, dermal];H314: Causes severe skin burns and eye damage [Danger Skin corrosion/irritation];H332: Harmful if inhaled [Warning Acute toxicity, inhalation]

P260, P261, P264, P270, P271, P280, P301+P317, P301+P330+P331, P302+P352, P302+P361+P354, P304+P340, P305+P354+P338, P316, P317, P321, P330, P362+P364, P363, P405, and P501 (click each P-code to see the statement)

This chemical does not meet GHS hazard criteria for < 0.1% (2 of 4786) of reports.

危険有害性情報

Regulatory Information · 6 件

Chemical: Ethanol, 2-amino-

Chemical: C.I. Acid Orange 86

Ethanol, 2-amino- is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Ethanol, 2-amino- are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)

Status: Active Update: 24-04-2023 https://echa.europa.eu/registration-dossier/-/registered-dossier/15808;Status: Active Update: 07-01-2016 https://echa.europa.eu/registration-dossier/-/registered-dossier/16809;Status: Active Update: 31-05-2013 https://echa.europa.eu/registration-dossier/-/registered-dossier/6510;Status: No longer Valid Update: 02-12-2011 https://echa.europa.eu/registration-dossier/-/registered-dossier/6501

Ethanolamine: Does not have an individual approval but may be used under an appropriate group standard

C.I. Acid Orange 86: Does not have an individual approval but may be used as a component in a product covered by a group standard. It is not approved for use as a chemical in its own right.

Other Safety InformationIMAP assessments - Ethanol, 2-amino-: Environment tier I assessment;IMAP assessments - Ethanol, 2-amino-: Human health tier II assessment
DOT LabelCorrosive
Fire Hazards · 4 件

Special Hazards of Combustion Products: Irritating vapors generated when heated. (USCG, 1999)

· Combustible material: may burn but does not ignite readily.;· When heated, vapors may form explosive mixtures with air: indoors, outdoors and sewers explosion hazards.;· Those substances designated with a (P) may polymerize explosively when heated or involved in a fire.;· Corrosives in contact with metals may evolve flammable hydrogen gas.;· Containers may explode when heated.;· Runoff may pollute waterways.;· Substance may be transported in a molten form.

· Combustible material: may burn but does not ignite readily.;· When heated, vapors may form explosive mixtures with air: indoors, outdoors and sewers explosion hazards.;· Those substances designated with a (P) may polymerize explosively when heated or involved in a fire.;· Corrosives in contact with metals may evolve flammable hydrogen gas.;· Containers may explode when heated.;· Runoff may pollute waterways.;· Substance may be transported in a molten form.

Combustible. Gives off irritating or toxic fumes (or gases) in a fire. Above 85 °C explosive vapour/air mixtures may be formed.

Fire PotentialCombustible liquid.
Health Hazards · 3 件

Vapor irritates eyes and nose. Liquid causes local injury to mouth, throat, digestive tract, skin, and eyes. (USCG, 1999)

· TOXIC and/or CORROSIVE; inhalation, ingestion or skin contact with material may cause severe injury or death.;· Methyl bromoacetate (UN2643) is an eye irritant/lachrymator (causes flow of tears).;· Contact with molten substance may cause severe burns to skin and eyes.;· Avoid any skin contact.;· Fire may produce irritating, corrosive and/or toxic gases.;· Runoff from fire control or dilution water may be corrosive and/or toxic and cause environmental contamination.

· TOXIC and/or CORROSIVE; inhalation, ingestion or skin contact with material may cause severe injury or death.;· Methyl bromoacetate (UN2643) is an eye irritant/lachrymator (causes flow of tears).;· Contact with molten substance may cause severe burns to skin and eyes.;· Avoid any skin contact.;· Fire may produce irritating, corrosive and/or toxic gases.;· Runoff from fire control or dilution water may be corrosive and/or toxic and cause environmental contamination.

安全と保護具

Fire Fighting · 2 件

Excerpt from ERG Guide 153 [Substances - Toxic and/or Corrosive (Combustible)]:;SMALL FIRE: Dry chemical, CO2 or water spray.;LARGE FIRE: Dry chemical, CO2, alcohol-resistant foam or water spray. If it can be done safely, move undamaged containers away from the area around the fire. Dike runoff from fire control for later disposal.;FIRE INVOLVING TANKS, RAIL TANK CARS OR HIGHWAY TANKS: Fight fire from maximum distance or use unmanned master stream devices or monitor nozzles. Do not get water inside containers. Cool containers with flooding quantities of water until well after fire is out. Withdraw immediately in case of rising sound from venting safety devices or discoloration of tank. ALWAYS stay away from tanks in direct contact with flames. (ERG, 2024)

Use water spray, powder, alcohol-resistant foam, carbon dioxide.

First Aid Measures · 4 件

Fresh air, rest. Refer immediately for medical attention.

Remove contaminated clothes. Rinse skin with plenty of water or shower. Refer immediately for medical attention .

Rinse with plenty of water for several minutes (remove contact lenses if easily possible). Refer immediately for medical attention.

Rinse mouth. Do NOT induce vomiting. Refer immediately for medical attention.

Accidental Release Measures · 4 件

· CALL 911. Then call emergency response telephone number on shipping paper. If shipping paper not available or no answer, refer to appropriate telephone number listed on the inside back cover.;· Keep unauthorized personnel away.;· Stay upwind, uphill and/or upstream.;· Ventilate closed spaces before entering, but only if properly trained and equipped.

· ELIMINATE all ignition sources (no smoking, flares, sparks or flames) from immediate area.;· Do not touch damaged containers or spilled material unless wearing appropriate protective clothing.;· Stop leak if you can do it without risk.;· Prevent entry into waterways, sewers, basements or confined areas.;· Absorb or cover with dry earth, sand or other non-combustible material and transfer to containers.;· DO NOT GET WATER INSIDE CONTAINERS.

· CALL 911. Then call emergency response telephone number on shipping paper. If shipping paper not available or no answer, refer to appropriate telephone number listed on the inside back cover.;· Keep unauthorized personnel away.;· Stay upwind, uphill and/or upstream.;· Ventilate closed spaces before entering, but only if properly trained and equipped.

· ELIMINATE all ignition sources (no smoking, flares, sparks or flames) from immediate area.;· Do not touch damaged containers or spilled material unless wearing appropriate protective clothing.;· Stop leak if you can do it without risk.;· Prevent entry into waterways, sewers, basements or confined areas.;· Absorb or cover with dry earth, sand or other non-combustible material and transfer to containers.;· DO NOT GET WATER INSIDE CONTAINERS.

First Aid · 4 件

EYES: First check the victim for contact lenses and remove if present. Flush victim's eyes with water or normal saline solution for 20 to 30 minutes while simultaneously calling a hospital or poison control center. Do not put any ointments, oils, or medication in the victim's eyes without specific instructions from a physician. IMMEDIATELY transport the victim after flushing eyes to a hospital even if no symptoms (such as redness or irritation) develop.;SKIN: IMMEDIATELY flood affected skin with water while removing and isolating all contaminated clothing. Gently wash all affected skin areas thoroughly with soap and water. IMMEDIATELY call a hospital or poison control center even if no symptoms (such as redness or irritation) develop. IMMEDIATELY transport the victim to a hospital for treatment after washing the affected areas.;INHALATION: IMMEDIATELY leave the contaminated area; take deep breaths of fresh air. If symptoms (such as wheezing, coughing, shortness of breath, or burning in the mouth, throat, or chest) develop, call a physician and be prepared to transport the victim to a hospital. Provide proper respiratory protection to rescuers entering an unknown atmosphere. Whenever possible, Self-Contained Breathing Apparatus (SCBA) should be used; if not available, use a level of protection greater than or equal to that advised under Protective Clothing.;INGESTION: DO NOT INDUCE VOMITING. Corrosive chemicals will destroy the membranes of the mouth, throat, and esophagus and, in addition, have a high risk of being aspirated into the victim's lungs during vomiting which increases the medical problems. If the victim is conscious and not convulsing, give 1 or 2 glasses of water to dilute the chemical and IMMEDIATELY call a hospital or poison control center. IMMEDIATELY transport the victim to a hospital. If the victim is convulsing or unconscious, do not give anything by mouth, ensure that the victim's airway is open and lay the victim on his/her side with the head lower than the body. DO NOT INDUCE VOMITING. Transport the victim IMMEDIATELY to a hospital. (NTP, 1992)

General First Aid:;· Call 911 or emergency medical service.;· Ensure that medical personnel are aware of the material(s) involved, take precautions to protect themselves and avoid contamination.;· Move victim to fresh air if it can be done safely.;· Administer oxygen if breathing is difficult.;· If victim is not breathing:;-- DO NOT perform mouth-to-mouth resuscitation; the victim may have ingested or inhaled the substance.;-- If equipped and pulse detected, wash face and mouth, then give artificial respiration using a proper respiratory medical device (bag-valve mask, pocket mask equipped with a one-way valve or other device).;-- If no pulse detected or no respiratory medical device available, provide continuous compressions. Conduct a pulse check every two minutes or monitor for any signs of spontaneous respirations.;· Remove and isolate contaminated clothing and shoes.;· For minor skin contact, avoid spreading material on unaffected skin.;· In case of contact with substance, remove immediately by flushing skin or eyes with running water for at least 20 minutes.;· For severe burns, immediate medical attention is required.;· Effects of exposure (inhalation, ingestion, or skin contact) to substance may be delayed.;· Keep victim calm and warm.;· Keep victim under observation.;· For further assistance, contact your local Poison Control Center.;· Note: Basic Life Support (BLS) and Advanced Life Support (ALS) should be done by trained professionals.;Specific First Aid:;· For corrosives, in case of contact, immediately flush skin or eyes with running water for at least 30 minutes. Additional flushing may be required.

General First Aid:;· Call 911 or emergency medical service.;· Ensure that medical personnel are aware of the material(s) involved, take precautions to protect themselves and avoid contamination.;· Move victim to fresh air if it can be done safely.;· Administer oxygen if breathing is difficult.;· If victim is not breathing:;-- DO NOT perform mouth-to-mouth resuscitation; the victim may have ingested or inhaled the substance.;-- If equipped and pulse detected, wash face and mouth, then give artificial respiration using a proper respiratory medical device (bag-valve mask, pocket mask equipped with a one-way valve or other device).;-- If no pulse detected or no respiratory medical device available, provide continuous compressions. Conduct a pulse check every two minutes or monitor for any signs of spontaneous respirations.;· Remove and isolate contaminated clothing and shoes.;· For minor skin contact, avoid spreading material on unaffected skin.;· In case of contact with substance, remove immediately by flushing skin or eyes with running water for at least 20 minutes.;· For severe burns, immediate medical attention is required.;· Effects of exposure (inhalation, ingestion, or skin contact) to substance may be delayed.;· Keep victim calm and warm.;· Keep victim under observation.;· For further assistance, contact your local Poison Control Center.;· Note: Basic Life Support (BLS) and Advanced Life Support (ALS) should be done by trained professionals.;Specific First Aid:;· For corrosives, in case of contact, immediately flush skin or eyes with running water for at least 30 minutes. Additional flushing may be required.

(General first aid procedures);Eye: Irrigate immediately - If this chemical contacts the eyes, immediately wash (irrigate) the eyes with large amounts of water, occasionally lifting the lower and upper lids. Get medical attention immediately.;Skin: Water flush promptly - If this chemical contacts the skin, flush the contaminated skin with water promptly. If this chemical penetrates the clothing, immediately remove the clothing and flush the skin with water promptly. If irritation persists after washing, get medical attention.;Breathing: Respiratory support;Swallow: Medical attention immediately - If this chemical has been swallowed, get medical attention immediately.

Safe StorageSeparated from strong oxidants, strong acids, aluminium and food and feedstuffs. Dry. Ventilation along the floor. Store in an area without drain or sewer access.
Exposure Control and Personal Protection · 3 件

· Wear positive pressure self-contained breathing apparatus (SCBA).;· Wear chemical protective clothing that is specifically recommended by the manufacturer when there is NO RISK OF FIRE.;· Structural firefighters' protective clothing provides thermal protection but only limited chemical protection.

· Wear positive pressure self-contained breathing apparatus (SCBA).;· Wear chemical protective clothing that is specifically recommended by the manufacturer when there is NO RISK OF FIRE.;· Structural firefighters' protective clothing provides thermal protection but only limited chemical protection.

0.2 [ppm]

毒性情報

Body Burden · 1 件

A number of aliphatic amines have been identified as normal constituents of mammalian and human urine, including ethanolamine(1). Average excretion rate: men - 0.162 mg/kg per day; women - 0.492 mg/kg per day; cats 0.47 mg/kg per day; rats - 01.46 mg/kg per day; and rabbits - 1.0 mg/kg per day(1).

Interactions · 1 件

... Here we investigated hair dye-induced dermatitis and hair loss using in vivo mouse model to uncover the causative ingredients. Commercially available hair dye products or combination of the ingredients of hair dye product were applied topically for 3 days on the dorsum of the female C57BL/6 mice and, dermatitis and hair loss were examined. The mice treated with hair dye products exhibited unequivocal signs of hair loss and dermatitis. To find out causative ingredients, combinations of the representative components of hair dye including reducing agents, the mixture of dye and monoethanolamine (MEA), ammonia, and hydrogen peroxide (H(2)O(2)) were applied and thereafter, hair loss and dermatitis were evaluated. All the groups treated with the combinations containing H(2)O(2) and neutralized dye mixture manifested hair loss and dermatitis. Subsequent experiments revealed that H(2)O(2) and MEA synergistically induced hair loss and dermatitis. Histological examination showed that oxidative stress may be the mechanism underlying hair-dye induced dermatitis. Consistently, H(2)O(2) and MEA synergistically induced oxidative stress and cytotoxicity in human keratinocytes. These results suggest that H(2)O(2) and MEA may be the key causative ingredients for hair dye-associated dermatitis and hair loss.

Target OrgansEyes, skin, respiratory system, central nervous system
Ecotoxicity Values · 5 件

EC50; Species: Pseudomonas putida (bacteria); Concentration: 12,200 mg/L for 2 hr; Effect: inhibition of NH3- oxidation /Conditions of bioassay not specified in source examined/

LC50; Species: Carassius auratus (Goldfish); Conditions: static; Concentration: 190 mg/L for 24 hr

LC50; Species: Carassius auratus (Goldfish); Conditions: static; Concentration: 170 mg/L for 96 hr

LC50; Species: Gambusia affinis (Western mosquitofish); Concentration: 375 mg/L for 24 hr /Conditions of bioassay not specified in source examined/

For more Ecotoxicity Values (Complete) data for 2-AMINOETHANOL (20 total), please visit the HSDB record page.

Environmental Fate · 3 件

TERRESTRIAL FATE: Based on a classification scheme(1), an estimated Koc value of 0.59(SRC), determined from a log Kow of -1.31(2) and a regression-derived equation(3), indicates that 2-aminoethanol is expected to have very high mobility in soil(SRC). However, absorption is affected by the acidity of the soil(SRC). The pKa of 2-aminoethanol is 9.5(4), indicating that this compound will exist almost in the cation form in the environment and cations generally adsorb more strongly to soils containing organic carbon and clay than their neutral counterparts(5). Volatilization from moist soil is not expected because the compound exists as a cation and cations do not volatilize. 2-aminoethanol is not expected to volatilize from dry soil surfaces(SRC) based upon a vapor pressure of 0.404 mm Hg at 25 °C(6). Using the Closed Bottle, CO2 Evolution, and MITI tests, 2-aminoethanol exhibited 64.4, 91.4, and 71.2% CO2 evolution, respectively, after 28 days(7), suggesting that biodegradation is an important environmental fate process in soil(SRC).

AQUATIC FATE: Based on a classification scheme(1), an estimated Koc value of 0.59(SRC), determined from a log Kow of -1.31(2) and a regression-derived equation(3), indicates that 2-aminoethanol is not expected to adsorb to suspended solids and sediment(SRC). However, adsorption can be affected by the acidity of the substrate(SRC). A pKa of 9.5(4) indicates 2-aminoethanol will exist almost entirely in the cation form at pH values of 5 to 9 and, therefore, volatilization from water surfaces is not expected to be an important fate process(SRC). According to a classification scheme(5), an estimated BCF of 3.2(SRC), from its log Kow(2) and a regression-derived equation(3), suggests the potential for bioconcentration in aquatic organisms is low(SRC). Using the Closed Bottle, CO2 Evolution, and MITI tests, 2-aminoethanol exhibited 64.4, 91.4, and 71.2% CO2 evolution, respectively, after 28 days(6), suggesting that biodegradation is an important environmental fate process in water(SRC).

ATMOSPHERIC FATE: According to a model of gas/particle partitioning of semivolatile organic compounds in the atmosphere(1), 2-aminoethanol, which has a vapor pressure of 0.404 mm Hg at 25 °C(2), is expected to exist solely as a vapor in the ambient atmosphere. Vapor-phase 2-aminoethanol is degraded in the atmosphere by reaction with photochemically-produced hydroxyl radicals(SRC); the half-life for this reaction in air is estimated to be 3.6 hours(SRC), calculated from its rate constant of 3.6X10-11 cu cm/molecule-sec at 25 °C(SRC) that was derived using a structure estimation method(3). 2-Aminoethanol does not contain chromophores that absorb at wavelengths >290 nm(4) and, therefore, is not expected to be susceptible to direct photolysis by sunlight(SRC).

Food Survey Values2-Aminoethanol was detected, not quantified in 24 Italian Cheeses(1). 2-Aminoethanol was detected in prune, plum, peach and nectarine juices at 1-6, 4, and 1 mg/L(2). 2-Aminoethanol has been identified as a meat volatile of chicken(3).

法規制情報

Regulatory Information · 6 件

Chemical: Ethanol, 2-amino-

Chemical: C.I. Acid Orange 86

Ethanol, 2-amino- is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Ethanol, 2-amino- are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)

Status: Active Update: 24-04-2023 https://echa.europa.eu/registration-dossier/-/registered-dossier/15808;Status: Active Update: 07-01-2016 https://echa.europa.eu/registration-dossier/-/registered-dossier/16809;Status: Active Update: 31-05-2013 https://echa.europa.eu/registration-dossier/-/registered-dossier/6510;Status: No longer Valid Update: 02-12-2011 https://echa.europa.eu/registration-dossier/-/registered-dossier/6501

Ethanolamine: Does not have an individual approval but may be used under an appropriate group standard

C.I. Acid Orange 86: Does not have an individual approval but may be used as a component in a product covered by a group standard. It is not approved for use as a chemical in its own right.

FDA RequirementsEthanolamine is an indirect food additive for use only as a component of adhesives. /Ethanolamine/
FIFRA Requirements · 1 件

As the federal pesticide law FIFRA directs, EPA is conducting a comprehensive review of older pesticides to consider their health and environmental effects and make decisions about their continued use. Under this pesticide reregistration program, EPA examines newer health and safety data for pesticide active ingredients initially registered before November 1, 1984, and determines whether the use of the pesticide does not pose unreasonable risk in accordance to newer safety standards, such as those described in the Food Quality Protection Act of 1996. Pesticides for which EPA had not issued Registration Standards prior to the effective date of FIFRA '88 were divided into three lists based upon their potential for human exposure and other factors, with List B containing pesticides of greater concern than those on List C, and with List C containing pesticides of greater concern than those on List D. 2-Aminoethanol is found on List D. Case No: 4032; Pesticide type: Fungicide, antimicrobial; Case Status: No products containing the pesticide are actively registered. Therefore, we are characterizing the case as "cancelled." Under FIFRA, pesticide producers may voluntarily cancel their registered products. EPA also may cancel pesticide registrations if registrants fail to pay required fees or make/meet certain reregistration commitments, or if EPA reaches findings of unreasonable adverse effects.; Active ingredient (AI): 2-Aminoehtanol; AI Status: The active ingredient is no longer contained in any registered products. Thus, we characterize it as "cancelled."

Atmospheric Standards · 1 件

This action promulgates standards of performance for equipment leaks of Volatile Organic Compounds (VOC) in the Synthetic Organic Chemical Manufacturing Industry (SOCMI). The intended effect of these standards is to require all newly constructed, modified, and reconstructed SOCMI process units to use the best demonstrated system of continuous emission reduction for equipment leaks of VOC, considering costs, non air quality health and environmental impact and energy requirements. Ethanolamines are produced, as an intermediate or a final product, by process units covered under this subpart. /Ethanolamines/

化学と産業

薬理情報

Bionecessity · 3 件

Monoethanolamine (MEA) is present in nature as a nitrogenous base in phospholipids. These lipids, composed of glycerol, two fatty acid esters, phosphoric acid, and MEA, are the building blocks of biomembranes in animals. MEA is methylated to form choline, another important nitrogenous base in phospholipids and an essential vitamin. The rat dietary choline requirement is 10 mg/kg/d.

... The backbone of a phospholipid molecule /of the eukaryotic cell membrane/ is glycerol with ... the third /-OH/ group esterified by a phosphate group and a nitrogenous compound (... ethanolamine ...).

/Ethanolamine/ is an endogenous alkanolamine biosynthesized from serine by decarboxylation. It is a principal precursor of phosphoglycerides, which are important elements in the structure of biologic membranes, and choline.

Biological Half-Life · 2 件

The half-life of the persistent low level of radioactivity in the blood /of dogs administered 14C-ethanolamine/ was 19 days.

Labeled MEA was administered to dogs. ... After 24 hr ... the half-life was 19 days.

Metabolism/Metabolites · 5 件

Ethanolamine can be used as a source of carbon and nitrogen by phylogenetically diverse bacteria. Ethanolamine-ammonia lyase, the enzyme that breaks ethanolamine into acetaldehyde and ammonia, is encoded by the gene tandem eutBC. Despite extensive studies of ethanolamine utilization in Salmonella enterica serovar Typhimurium, much remains to be learned about EutBC structure and catalytic mechanism, about the evolutionary origin of ethanolamine utilization, and about regulatory links between the metabolism of ethanolamine itself and the ethanolamine-ammonia lyase cofactor adenosylcobalamin. We used computational analysis of sequences, structures, genome contexts, and phylogenies of ethanolamine-ammonia lyases to address these questions and to evaluate recent data-mining studies that have suggested an association between bacterial food poisoning and the diol utilization pathways. We found that EutBC evolution included recruitment of a TIM barrel and a Rossmann fold domain and their fusion to N-terminal alpha-helical domains to give EutB and EutC, respectively. This fusion was followed by recruitment and occasional loss of auxiliary ethanolamine utilization genes in Firmicutes and by several horizontal transfers, most notably from the firmicute stem to the Enterobacteriaceae and from Alphaproteobacteria to Actinobacteria. We identified a conserved DNA motif that likely represents the EutR-binding site and is shared by the ethanolamine and cobalamin operons in several enterobacterial species, suggesting a mechanism for coupling the biosyntheses of apoenzyme and cofactor in these species. Finally, we found that the food poisoning phenotype is associated with the structural components of metabolosome more strongly than with ethanolamine utilization genes or with paralogous propanediol utilization genes per se.

Forty percent of (15)N-labeled ethanolamine appears as urea within 24 hr when it is given to rabbits, suggesting that it is deaminated. In rat liver homogenates, ethanolamine undergoes demethylation yielding formaldehyde.

Ethanolamine is a normal intermediate in the metabolism of some animal species, having a part in the formation of phospholipids and choline.

The distribution and metabolism of topical (14)C ethanolamine was studied in vivo, using athymic nude mice, human skin grafted onto athymic nude mice, and in vitro, using excised pig skin. Ethanolamine was the only radioactive phospholipid base detected in the human skin grafts, in the mouse skin, and in the pig skin. Ethanolamine that penetrated human skin grafts or mouse skin was extensively metabolized in the animal. The liver is a major site for metabolism of ethanolamine, containing over 24% of the applied radioactive dose. The kidneys, lungs, brain, and the heart contained 2.53, 0.55, 0.27, and 0.15% of the dose, respectively. Hepatic, human skin graft, and mouse skin proteins were also highly radioactive. Over 18% of the topical radioactive dose oxidized to (14)CO2 and 4.6% was excreted in the urine over 24 hr. Urea, glycine, serine, choline, and uric acid were the urinary metabolites of ethanolamine.

For more Metabolism/Metabolites (Complete) data for 2-AMINOETHANOL (10 total), please visit the HSDB record page.

FDA Pharmacological Classification · 6 件

5KV86114PT

ETHANOLAMINE

Mechanisms of Action [MoA] - Sclerosing Activity

Established Pharmacologic Class [EPC] - Sclerosing Agent

Physiologic Effects [PE] - Vascular Sclerosing Activity

Ethanolamine is a Sclerosing Agent. The mechanism of action of ethanolamine is as a Sclerosing Activity. The physiologic effect of ethanolamine is by means of Vascular Sclerosing Activity.

Absorption, Distribution and Excretion · 5 件

The principal route of exposure is through skin, with some exposure occurring by inhalation of vapor and aerosols. Monoethanolamine (MEA), diethanolamine (DEA), and triethanolamine (TEA) in water penetrate rat skin at the rate of 2.9 x 10(-3), 4.36 x 10(-3) and 18 x 10(-3) cm/hr, respectively. MEA, DEA, and TEA are water-soluble ammonia derivatives, with pHs of 9-11 in water and pHa values of 9.3, 8.8, and 7.7, respectively.

The excretion rate in men was found to vary between 4.8 and 22.9 mg/day with a mean of 0.162 mg/kg /body weight/. 11 women were observed to excrete larger amounts, varying between 7.7 and 34.9 mg/day with a mean excretion rate of 0.492 mg/kg/day. The excretion rates in animals were approximately, for cats, 0.47 mg/kg/day; for rats, 1.46 mg/kg/day; and for rabbits, 1.0 mg/kg/day. From 6-47% of monoethanolamine administered to rats can be recovered in the urine.

Persistence of low levels of radioactivity in dog whole blood was obtained after admin of (14)C-labeled ethanolamine. Excretion of radioactivity as % of dose in dog urine was 11. After 24 hr total blood radioactivity as % of dose was 1.69.

/Ethanolamine/ is a normal urine constituent in man, excreted at a rate of 5-23 mg/day ... 40 percent of an administered dose is deaminated and excreted as urea.

For more Absorption, Distribution and Excretion (Complete) data for 2-AMINOETHANOL (10 total), please visit the HSDB record page.

Tissue LocationsBrain;Epidermis;Neuron;Pancreas;Placenta

用途と製造

Uses · 6 件

CIR ingredient: Ethanolamine

CIR ingredient: Monoethanolamine

Used as a scavenger for CO2 and H2S in natural gas; used in the synthesis of surface active agents, hair waving agents, hide softeners, agricultural chemicals, and antibiotics; [Merck Index, # 3727] Used in soaps, cosmetics, polishes, paints, cutting oils, and textile processing; [HSDB] Used in photography (color developing bath); [www.ci.tucson.az.us/arthazards/medium.html]

Metal Machining [Category: Heat or Machine];Semiconductor Manufacturing [Category: Industry];Textiles (Fiber & Fabric Manufacturing) [Category: Industry];Painting (Pigments, Binders, and Biocides) [Category: Paint];Plastic Composites Manufacturing [Category: Industry];Leather Tanning and Processing [Category: Industry];Photographic Processing [Category: Other];Dressing Hair [Category: Other]

For 2-aminoethanol (USEPA/OPP Pesticide Code: 011601) there are 0 labels match. /SRP: Not registered for current use in the U.S., but approved pesticide uses may change periodically and so federal, state and local authorities must be consulted for currently approved uses./

The active ingredient is no longer contained in any registered /pesticide/ products. ... "cancelled."

U.S. Exports(1972) 7.4X10+9 G
U.S. Imports(1972) 1.8X10+10 G
U.S. Production · 6 件

2023: 550,000,000 - <700,000,000 lb;2022: 700,000,000 - <850,000,000 lb;2021: 550,000,000 - <700,000,000 lb;2020: 700,000,000 - <850,000,000 lb

(1972) 3.7X10+10 G

(1975) 3.75X10+10 GRAMS

(1984) 198,274X10+3 LB

(1986) >100 million-500 million pounds

For more U.S. Production (Complete) data for 2-AMINOETHANOL (12 total), please visit the HSDB record page.

Consumption Patterns · 1 件

APPROXIMATELY 49% IS USED FOR GAS CONDITIONING (SCRUBBING); ESTIMATED CONSUMPTION PATTERN FOR MONO-, DI-, AND TRIETHANOLAMINES TOGETHER IS 37% FOR SYNTHESIS OF SOAPS AND DETERGENTS FOR TEXTILES, TOILET GOODS, METALS, AND OTHER SPECIALTY SURFACTANT USES; 22% FOR GAS CONDITIONING AND PETROLEUM USE; 20% EXPORTED; 5% FOR SYNTHESIS OF MORPHOLINES; 16% FOR MISC APPLICATIONS INCLUDING EMULSION POLISHES AND HERBICIDES (1973)

Consumer Uses · 1 件

Fixing agent (mordant);Cleaning agent;Preservative;Corrosion inhibitor;Not Known or Reasonably Ascertainable;Soil amendments (fertilizers);Etching agent;Processing aids, specific to petroleum production;Intermediate;Softener and conditioner;Dye;Solvent;Foamant;Other;Lubricating agent;pH regulating agent

関連反応

3,897 件

関連ノート

読み込み中…