2-Ethyl-1-butanol (HCID 7358)

概要

Flash point of 137 °F. Less dense than water and slightly soluble in water. Vapors are heavier than air. Used as a solvent and in the manufacture of pharmaceuticals.

名称と識別子

優先名称: 2-Ethyl-1-butanol
IUPAC: 2-ethylbutan-1-ol
英語名: 2-Ethyl-1-butanol
分子式: C6H14O
分子量: 0

名称と別名

2-Ethyl-1-butanol2-Ethylbutan-1-ol97-95-02-Ethylbutanol1-Butanol, 2-ethyl-2-Ethylbutyl alcoholPseudohexyl alcohol3-MethylolpentaneEthylbutanol2-Ethylbutanol-13-Pentylcarbinolsec-Pentylcarbinol

名称をさらに表示

ETHYL BUTANOLDTXSID204141628002VFS3HNSC-8858DTXCID0021416RefChem:596146202-621-4sec-Hexyl alcohol

データベース識別子

CAS: 97-95-0
PubChem CID: 7358
DTXSID: DTXSID2041416
ChEMBL: CHEMBL3181836
UNII: 28002VFS3H
EC Number: 202-621-4
Nikkaji: J55.485E

物性

構造計算による物性

XLogP: 1.6
極性表面積: 20.2 Å²
水素結合供与体数: 1
水素結合受容体数: 1
回転可能結合数: 3
重原子数: 7
形式電荷: 0
複雑度: 31.2

実験および物理化学的性質

Chemical ClassesFlammable agents - 2nd degree

SolventsSolvents -> Alcohols (<C12)

SpringerMaterials PropertiesBoiling point

FragrancesFragrance Ingredient (2-Ethyl-1-butanol) -> IFRA transparency List

LogP1.78

Density · 2 件

0.834 at 68 °F (USCG, 1999) - Less dense than water; will float

0.8326 @ 20 °C/4 °C

物理化学的性質

融点: -15 °C · <-15 °C
沸点: 146.27 °C · 146.27 °C
比重(密度): 0.8326 g/cm3 · 0.8326 g/cm3
酸解離定数(Pka): 15.05 · 15.05±0.10(Predicted)

安全と法規制

GHS分類

GHS Classification · 6 件

Warning

H302: Harmful if swallowed [Warning Acute toxicity, oral]

P264, P270, P280, P301+P317, P302+P352, P317, P321, P330, P362+P364, and P501 (click each P-code to see the statement)

This chemical does not meet GHS hazard criteria for 2.6% (11 of 419) of reports.

Warning

H226 (34.8%): Flammable liquid and vapor [Warning Flammable liquids]

危険有害性情報

Regulatory Information · 5 件

Chemical: 1-Butanol, 2-ethyl-

1-Butanol, 2-ethyl- is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of 1-Butanol, 2-ethyl- 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: 05-11-2020 https://echa.europa.eu/registration-dossier/-/registered-dossier/31751

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

The New Jersey Worker and Community Right to Know Act requires public and private employers to provide information about hazardous substances at their workplaces. (N.J.S.A. 34:5A-1 et. seq.)

Other Safety InformationEvaluation - Chemicals that are unlikely to require further regulation to manage risks to environment

DOT LabelFlammable Liquid

Fire Hazards · 2 件

Excerpt from ERG Guide 129 [Flammable Liquids (Water-Miscible / Noxious)]:

· HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames.

Fire Potential · 2 件

COMBUSTIBLE.

MODERATE, WHEN EXPOSED TO HEAT OR FLAME; CAN REACT WITH OXIDIZING MATERIALS.

Health Hazards · 2 件

Liquid causes eye burns. Vapors may be mildly irritating to nose and throat. (USCG, 1999)

· May cause toxic effects if inhaled or absorbed through skin.

安全と保護具

Fire FightingExcerpt from ERG Guide 129 [Flammable Liquids (Water-Miscible / Noxious)]:

Accidental Release Measures · 2 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.

· ELIMINATE all ignition sources (no smoking, flares, sparks or flames) from immediate area.

First Aid · 2 件

Remove to fresh air. Remove contaminated clothing. Wash affected skin areas with water. Flush eyes with water for at least 15 min. and get medical care. (USCG, 1999)

General First Aid:

Exposure Control and Personal Protection· Wear positive pressure self-contained breathing apparatus (SCBA).

Fire Fighting ProceduresDRY CHEMICAL, CO2, FOAM, FOG.

Nonfire Spill ResponseExcerpt from ERG Guide 129 [Flammable Liquids (Water-Miscible / Noxious)]:

毒性情報

Adverse EffectsNeurotoxin - Acute solvent syndrome

Human Toxicity Excerpts · 2 件

SUMMARY TOXICITY STATEMENT; ACUTE: MODERATE VIA ORAL, DERMAL & PROBABLY INHALATION ROUTES. MODERATE= MAY CAUSE REVERSIBLE OR IRREVERSIBLE CHANGES TO EXPOSED TISSUE, NOT PERMANENT INJURY OR DEATH; CAN CAUSE CONSIDERABLE DISCOMFORT.

LOW TOXICITY.

Non-Human Toxicity Excerpts · 3 件

SKIN IRRITATION DEVELOPED IN RABBITS GIVEN CAPILLARY INJECTION OF 2-ETHYLBUTYL ALCOHOL. MODERATE SKIN IRRITATION DEVELOPED IN GUINEA PIGS. CONCN VAPOR INHALED BY RATS FOR 8 HR CAUSED NO DEATHS.

FROM RESULTS OF ANIMAL EXPT...2-ETHYL BUTANOL APPEARS TO BE MORE TOXIC BY ORAL ADMIN & SKIN ABSORPTION THAN METHYL AMYL ALCOHOL.

2-ETHYLBUTANOL-1 RATED 9 ON RABBIT EYES. ...TESTED EXTERNALLY ON EYES OF RABBITS &...RATED NUMERICALLY ON SCALE OF 1-10 ACCORDING TO DEGREE OF INJURY... AFTER 24 HR /OBSERVATION/, PAYING PARTICULAR ATTENTION TO CONDITION OF CORNEA. MOST SEVERE INJURIES HAVE BEEN RATED 10.

安全データ

注意喚起語: 警告
危険有害性情報: コード危険有害性情報危険有害性クラス区分注意喚起語シンボル P コード H226

化学と産業

薬理情報

Metabolism/Metabolites...2-ETHYLBUTANOL CONJUGATES... WITH GLUCURONIC ACID.

Absorption, Distribution and ExcretionRABBITS EXCRETED 40% OF INGESTED DOSE OF 2-ETHYLBUTYL ALCOHOL AS URINARY GLUCURONIDE...SMALL AMT OF METHYL N-PROPYL KETONE IS ALSO EXCRETED IN RABBIT URINE FOLLOWING INGESTION OF 2-ETHYLBUTYL ALCOHOL.

用途と製造

Uses · 4 件

Used as solvent for oils, resins, waxes, dyes, lacquers, and printing inks; to make perfumes, drugs, surface active agents, lubricants, and flavors; [HSDB] Used to make penetrating oils, corrosion inhibitors, plasticizers, and perfumes; as cleaning agent for printed circuits; and to improve flow of paints and varnishes; [CHEMINFO]

Painting (Solvents) [Category: Paint]

SOLVENT FOR OILS, RESINS, WAXES, DYES; DILUENT; SYN OF PERFUMES, DRUGS; FLAVORING

SOLVENT FOR PRINTING INKS; COMPONENT IN LACQUERS; MFR OF SURFACE ACTIVE AGENTS, SYNTHETIC LUBRICANTS, AND LUBRICANT ADDITIVES

U.S. Exports(1984) 1.39X10+9 g/ALL HEXYL ALCOHOLS/

U.S. Imports(1984) 2.93X10+8 g/ALL HEXYL ALCOHOLS/

U.S. Production · 2 件

2022: <50,000 lb

(1984) 1.28X10+11 g/ALCOHOLS C11 OR LOWER/

Consumer UsesFragrance

Methods of Manufacturing · 2 件

2-ETHYLBUTYL ALCOHOL CAN BE PREPARED COMMERCIALLY BY ALDOL CONDENSATION OF ACETALDEHYDE & BUTYRALDEHYDE.

PRODUCED INDUSTRIALLY BY THE CONDENSATION OF ACETALDEHYDE AND BUTYRALDEHYDE IN DILUTE CAUSTIC SOLUTION FOLLOWED BY HYDROGENATION OF THE ACROLEIN INTERMEDIATE