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2-Bromoethanol

HCID 10898
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Basic informationOverviewNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
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Basic information

CAS
29155-34-8
Standard SMILES
OCCBr
InChIKey
LDLCZOVUSADOIV-UHFFFAOYSA-N
Molecular formula
C2H5BrO
Average molar mass
124.96 g/mol
Monoisotopic mass
123.95237688

Overview

2-bromoethanol is a colorless to dark brown liquid. Sweet burning taste. (NTP, 1992)

Names & identifiers

Preferred name
2-Bromoethanol
IUPAC
2-bromoethanol
English name
2-Bromoethanol
Molecular formula
C2H5BrO
Molecular weight
124.96

Names & synonyms

2-BROMOETHANOL540-51-2Ethylene bromohydrinEthanol, 2-bromo-BromoethanolGlycol bromohydrin2-Hydroxyethyl bromide1-Bromo-2-ethanolEthylenebromohydrin2-Bromoethyl alcoholNSC-2869Z33995S34R
Show more names
2-BromethanolDKSI056HO-PEG1-BrDKFELEX0079BROMOETHANOL-2
beta-bromoethyl alcoholRefChem:596595208-748-12-bromoethan-1-ol2-Bromo-1-ethanolDTXSID80202002-bromo-ethanolC2H5BrO

Database identifiers

CAS
29155-34-8、540-51-2
PubChem CID
10898
DTXSID
DTXSID8020200
ChEMBL
CHEMBL468583
UNII
Z33995S34R
EC Number
208-748-1
Nikkaji
J1.597K

Properties

Computed structural propertiesFilling in

XLogP
0.2
Topological polar surface area
20.2 Ų
Hydrogen bond donors
1
Hydrogen bond acceptors
1
Rotatable bonds
1
Heavy atoms
4
Formal charge
0
Complexity
10

Experimental & physicochemical properties

Chemical ClassesOther Classes -> Halogenated Alcohols
SpringerMaterials PropertiesSchoenflies notation
Density · 2 items

1.7629 at 68 °F (NTP, 1992) - Denser than water; will sink

1.7629 @ 20°C

Solubility10 to 50 mg/mL at 66 °F (NTP, 1992)
Flash Point · 2 items

105 °F (NTP, 1992)

105 °F

Boiling Point · 2 items

300 to 302 °F at 750 mmHg (Decomposes) (NTP, 1992)

150 °C @760 [mm Hg]

Vapor Pressure · 2 items

12 mmHg at 122 °F (NTP, 1992)

2.06 [mmHg]

Physical Description · 2 items

2-bromoethanol is a colorless to dark brown liquid. Sweet burning taste. (NTP, 1992)

Colorless to dark brown liquid. Sweet burning taste; [CAMEO]

Safety & regulation

Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.

GHS classification

GHS Classification · 4 items

Danger

H301 (95.5%): Toxic if swallowed [Danger Acute toxicity, oral]

P260, P261, P262, P264, P270, P271, P280, P301+P316, P301+P330+P331, P302+P352, P302+P361+P354, P304+P340, P305+P354+P338, P316, P321, P330, P361+P364, P363, P403+P233, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 111 reports by companies from 8 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Hazard information

Regulatory Information · 3 items

Chemical: Ethanol, 2-bromo-

Status: Active Update: 10-04-2018 https://echa.europa.eu/registration-dossier/-/registered-dossier/23691

2-Bromoethanol: Does not have an individual approval but may be used under an appropriate group standard

DOT LabelFlammable Liquid
Fire HazardsThis compound is combustible. (NTP, 1992)
Health HazardsSYMPTOMS: Vapors cause irritation to eyes and mucous membranes as well as headache, respiratory distress, and loss of consciousness. Ingestion has similar effects plus nausea and vomiting. Contact with the skin may cause severe dermatitis.
Hazards Summary · 1 item

Highly toxic; [Quick CPC] Corrosive to the skin, eyes, and respiratory tract, it may cause chemical pneumonitis. [CHEMINFO MSDS] A skin and eye irritant and may be corrosive; Inhalation of vapors may cause loss of consciousness and respiratory distress; [CAMEO]

Reactive GroupAlcohols and Polyols

Chemistry & industry

Uses & manufacturing

General Manufacturing InformationEthanol, 2-bromo-: ACTIVE
Applications · 3 items

Description2-bromoethanol, a halogenated alipathic hydrocarbon, is a widely used industrial chemical. It is also a contaminant in food such as wheat and flour during treatment with ethylene oxide. 2-Bromoethanol was also found as a metabolite of 1,2-dibromoethane. A known carcinogen in experimental animals. 2-Bromoethanol is highly toxic in vivo and is a potent mutagen. Fatty acid conjugates of 2-bromoethanol that have been identified after 2-bromoethanol administration to rats may explain the long term 2-bromoethanol accumulation and retention in body tissues. Chronic exposure to 2-bromoethanol causes liver and kidney toxicity. 2- Bromoethanol also induces extensive lipid peroxidation in rat liver, kidney and testis slices and inhibits liver mitochondria respiration[1].

Uses2-Bromoethanol is used in selective reduction of nitroarenes (PcFe(II)/NaBH4/2-bromoethanol catalyst system). It is not used much forany commercial purpose. The risk of exposure to this compound arises when ethylene oxide reacts with hydrobromic acid. It is used as a solvent and organic synthetic raw material. 2-Bromoethanol finds application in the synthesis of 2-piperidin-1-yl-ethanol by reacting with piperidine.

General DescriptionColorless to dark brown liquid. Sweet burning taste.

Upstream & downstream products

Upstream raw materials

Desiccant(2-Bromoethoxy)-tert-butyldimethylsilane1-Bromo-2-propanol4-Bromo-1-butanolMethyl bromoacetate

Related reactions

1,428 records
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HRID 9758 reaction equation
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HRID 11937 reaction equation
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HRID 20255 reaction equation
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HRID 38306As reactantuspto-grants-2013_09
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Compound notes

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Physicochemical properties

Melting point
-80 °C · -80 °C
Boiling point
56 · 56-57 °C/20 mmHg (lit.)
Density
1.763 g/mL · 1.763 g/mL at 25 °C (lit.)
vapor density
4.3 · 4.3 (vs air)
vapor pressure
2.4 mm · 2.4 mm Hg ( 20 °C)
refractive index
20 · n20/D 1.492(lit.)
Flash point
230 °F · >230 °F
storage temp.
2 · 2-8°C
solubility
1 · 1-5 g/100 mL at 19°C
form
Liquid
pka
13.82 · 13.82±0.10(Predicted)
color
Clear colorless to yellow
Specific Gravity
1.7629 · 1.7629 (20/4℃)
Water Solubility
1 · 1-5 g/100 mL at 19 ºC
Sensitive
Light Sensitive
Merck
14 · 14,3792
BRN
878140 · 878140
Stability
Stable, but probably light sensitive. Hygroscopic. Incompatible with strong oxidizing agents. Flammable. Forms an azeotrope with water.
InChI
1S/C2H5BrO/c3-1-2-4/h4H,1-2H2
InChIKey
LDLCZOVUSADOIV-UHFFFAOYSA-N
SMILES
OCCBr
CAS DataBase Reference
540 · 540-51-2(CAS DataBase Reference)
EWG's Food Scores
1 · 1
FDA UNII
33995 S34R · Z33995S34R
NIST Chemistry Reference
2 · Ethanol, 2-bromo-(540-51-2)
EPA Substance Registry System
2 · 2-Bromoethanol (540-51-2)
UNSPSC Code
12352104 · 12352104
NACRES
22 · NA.22
Symbol(GHS)
2 · GHS02,GHS05,GHS06
Signal word
Danger
Hazard statements
300 · H300+H310+H330-H314-H226
Precautionary statements
501 · P501-P270-P262-P240-P260-P210-P233-P243-P241-P242-P271-P264-P280-P284-P370+P378-P361+P364-P303+P361+P353-P301+P330+P331-P301+P310+P330-P304+P340+P310-P305+P351+P338+P310-P403+P233-P403+P235-P405
PPE
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
Hazard Codes
T,T+,Xn,F
Risk Statements
23 · 23/24/25-34-40-36/37/38-26/27/28-10-67-65-48/20-38-11-63
Safety Statements
26 · 26-36/37/39-45-28A-16-62-36/37
RIDADR
2922 · UN 2922 8/PG 2
WGK Germany
3 · 3
RTECS
8225000 · KJ8225000
TSCA
TSCA listed
HazardClass
6.1 · 6.1
PackingGroup
II
HS Code
29055900 · 29055900
Storage Class
6.1 A · 6.1A - Combustible acute toxic Cat. 1 and 2very toxic hazardous materials
Hazard Classifications
3 DermalAcute · Acute Tox. 3 DermalAcute Tox. 3 InhalationAcute Tox. 3 OralEye Dam. 1Skin Corr. 1B
REACH Registrations
Active
Limited Quantities
1 L · 1.0 L (0.3 gallons) (liquid) or 1 Kg (2.2 lbs) (solid)
Excepted Quantities
Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml)
Reactivity Profile
2-BROMOETHANOL forms an azeotrope with water; hydrolysis of aqueous solutions is accelerated by heat, alkalis and acids. (NTP, 1992)
Air and Water ReactionsHygroscopic. Water soluble.
Hazard Classes and CategoriesAcute Tox. 3 (95.5%)

Safety & protection

Fire FightingFires involving this compound can be controlled using a dry chemical, carbon dioxide or Halon extinguisher. (NTP, 1992)
First Aid · 1 item

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.

Nonfire Spill Response · 1 item

SMALL SPILLS AND LEAKAGE: If you spill this chemical, FIRST REMOVE ALL SOURCES OF IGNITION. Then, use absorbent paper to pick up all liquid spill material. Seal the absorbent paper, as well as any of your clothing which may be contaminated, in a vapor-tight plastic bag for eventual disposal. Wash any surfaces you may have contaminated with a soap and water solution. Do not reenter the contaminated area until the Safety Officer (or other responsible person) has verified that the area has been properly cleaned.

Isolation and EvacuationExcerpt from ERG Guide 128 [Flammable Liquids (Water-Immiscible)]:
Protective Action Criteria (PAC) · 3 items

0.35 [mg/m3]

3.8 [mg/m3]

23 [mg/m3]

Personal Protective Equipment (PPE) · 1 item

RECOMMENDED RESPIRATOR: Where the neat test chemical is weighed and diluted, wear a NIOSH-approved half face respirator equipped with an organic vapor/acid gas cartridge (specific for organic vapors, HCl, acid gas and SO2) with a dust/mist filter.

Toxicology

Adverse EffectsDermatotoxin - Skin burns.

Safety data

PPE
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
wgk
3
tsca
TSCA listed
rtecs
KJ8225000
ridadr
UN 2922 8/PG 2
hs_code
29055900
risk_code
23/24/25-34-40-36/37/38-26/27/28-10-67-65-48/20-38-11-63
Signal word
Danger
Symbol(GHS)
GHS02,GHS05,GHS06
hazard_code
T,T+,Xn,F
safety_code
26-36/37/39-45-28A-16-62-36/37
hazard_class
6.1
Storage Class
6.1A - Combustible acute toxic Cat. 1 and 2very toxic hazardous materials
packing_group
II
Hazard statements
H300+H310+H330-H314-H226
Limited Quantities
1.0 L (0.3 gallons) (liquid) or 1 Kg (2.2 lbs) (solid)
Excepted Quantities
Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml)
REACH Registrations
Active
Hazard Classifications
Acute Tox. 3 DermalAcute Tox. 3 InhalationAcute Tox. 3 OralEye Dam. 1Skin Corr. 1B
Precautionary statements
P501-P270-P262-P240-P260-P210-P233-P243-P241-P242-P271-P264-P280-P284-P370+P378-P361+P364-P303+P361+P353-P301+P330+P331-P301+P310+P330-P304+P340+P310-P305+P351+P338+P310-P403+P233-P403+P235-P405

Downstream products

2-(4-Benzoyl-3-hydroxyphenoxy)ethyl acrylate(S)-(-)-2-Azetidinecarboxylic acidDL-Azetidine-2-carboxylic acidACETYLCHOLINE BROMIDE(2-Aminoethyl)phosphonic acid4-[(4-Chlorophenyl)phenylmethyl]-1-piperazineethanol dihydrochloride2-Methyl-acrylic acid-2-(4-benzoyl-3-hydroxy-phenoxy)-ethyl esterPhenyl vinyl sulfoneN-(2-Hydroxyethyl)iminodiacetic acidClorprenaline1,2-Dibromoethane1-(2-Hydroxyethyl)piperazineEthanol,2-[2-(1H-indol-1-yl)ethoxy]-2-(Ethylsulfonyl)ethanol2-(2,4-Dichlorophenoxy)ethanol