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Names | |
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Preferred IUPAC name
Prop-2-en-1-ol | |
Other names
Allyl alcohol
2-Propen-1-ol 1-Propen-3-ol[1] Vinyl carbinol[1] Allylic alcohol Weed drench[citation needed] | |
Identifiers | |
3D model (JSmol)
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3DMet | |
ChEBI | |
ChEMBL | |
ChemSpider | |
ECHA InfoCard | 100.003.156 |
EC Number |
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KEGG | |
PubChem CID
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RTECS number |
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UNII | |
UN number | 1098 |
CompTox Dashboard (EPA)
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Properties | |
C3H6O | |
Molar mass | 58.080 g·mol−1 |
Appearance | colorless liquid[1] |
Odor | mustard-like[1] |
Density | 0.854 g/ml |
Melting point | −129 °C |
Boiling point | 97 °C (207 °F; 370 K) |
Miscible | |
Vapor pressure | 17 mmHg[1] |
Acidity (pKa) | 15.5 (H2O)[2] |
-36.70·10−6 cm3/mol | |
Hazards | |
Occupational safety and health (OHS/OSH): | |
Main hazards
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Highly toxic, lachrymator |
GHS labelling: | |
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Danger | |
H225, H301, H302, H311, H315, H319, H331, H335, H400 | |
P210, P233, P240, P241, P242, P243, P261, P264, P270, P271, P273, P280, P301+P310, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P311, P312, P321, P322, P330, P332+P313, P337+P313, P361, P362, P363, P370+P378, P391, P403+P233, P403+P235, P405, P501 | |
NFPA 704 (fire diamond) | |
Flash point | 21 °C (70 °F; 294 K) |
378 °C (712 °F; 651 K) | |
Explosive limits | 2.5–18.0% |
Lethal dose or concentration (LD, LC): | |
LD50 (median dose)
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80 mg/kg (rat, orally)[3] |
LC50 (median concentration)
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1000 ppm (mammal, 1 hr) 76 ppm (rat, 8 hr) 207 ppm (mouse, 2 hr) 1000 ppm (rabbit, 3.5 hr) 1000 ppm (monkey, 4 hr) 1060 ppm (rat, 1 hr) 165 ppm (rat, 4 hr) 76 ppm (rat, 8 hr)[4] |
NIOSH (US health exposure limits): | |
PEL (Permissible)
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2 ppm[1] |
REL (Recommended)
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TWA 2 ppm (5 mg/m3) ST 4 ppm (10 mg/m3) [skin] [1] |
IDLH (Immediate danger)
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20 ppm[1] |
Safety data sheet (SDS) | External MSDS |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Allyl alcohol (IUPAC name: prop-2-en-1-ol) is an organic compound with the structural formula CH2=CHCH2OH. Like many alcohols, it is a water-soluble, colourless liquid. It is more toxic than typical small alcohols. Allyl alcohol is used as a precursor to many specialized compounds such as flame-resistant materials, drying oils, and plasticizers.[5] Allyl alcohol is the smallest representative of the allylic alcohols.