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Names | |||
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Preferred IUPAC name
2-Chloroethan-1-ol[1] | |||
Other names | |||
Identifiers | |||
3D model (JSmol)
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3DMet | |||
878139 | |||
ChEBI | |||
ChEMBL | |||
ChemSpider | |||
ECHA InfoCard | 100.003.146 | ||
EC Number |
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25389 | |||
KEGG | |||
MeSH | Ethylene+Chlorohydrin | ||
PubChem CID
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RTECS number |
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UNII | |||
UN number | 1135 | ||
CompTox Dashboard (EPA)
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Properties | |||
C2H5ClO | |||
Molar mass | 80.51 g·mol−1 | ||
Appearance | Colourless liquid | ||
Odor | ether-like | ||
Density | 1.201 g/mL | ||
Melting point | −62.60 °C; −80.68 °F; 210.55 K | ||
Boiling point | 127–131 °C; 260–268 °F; 400–404 K | ||
Miscible[3] | |||
log P | −0.107 | ||
Vapor pressure | 700 Pa (at 20 °C) | ||
Refractive index (nD)
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1.441 | ||
Thermochemistry | |||
Std enthalpy of
combustion (ΔcH⦵298) |
−1.1914 MJ/mol | ||
Hazards | |||
Occupational safety and health (OHS/OSH): | |||
Main hazards
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Highly toxic and flammable | ||
GHS labelling: | |||
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Danger | |||
H226, H300+H310+H330 | |||
P260, P280, P284, P301+P310, P302+P350 | |||
NFPA 704 (fire diamond) | |||
Flash point | 55 °C (131 °F; 328 K) | ||
425 °C (797 °F; 698 K) | |||
Explosive limits | 5–16% | ||
Lethal dose or concentration (LD, LC): | |||
LD50 (median dose)
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LC50 (median concentration)
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NIOSH (US health exposure limits): | |||
PEL (Permissible)
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TWA 5 ppm (16 mg/m3) [skin][3] | ||
REL (Recommended)
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C 1 ppm (3 mg/m3) [skin][3] | ||
IDLH (Immediate danger)
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7 ppm[3] | ||
Related compounds | |||
Related compounds
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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2-Chloroethanol (also called ethylene chlorohydrin or glycol chlorohydrin) is an organic chemical compound with the chemical formula HOCH2CH2Cl and the simplest beta-halohydrin (chlorohydrin).[6] This colorless liquid has a pleasant ether-like odor. It is miscible with water. The molecule is bifunctional, consisting of both an alkyl chloride and an alcohol functional group.[7]
For example, the omission of the locant '1' in 2-chloroethanol, while permissible in general usage, is not allowed in preferred IUPAC names, thus the name 2-chloroethan-1-ol is the PIN.
Ullmann
was invoked but never defined (see the help page).