1,3-Butanediol | |
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Butane-1,3-diol[1] |
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Identifiers | |
CAS number | 107-88-0 , 6290-03-5 (R), 24621-61-2 (S) |
PubChem | 7896, 637497 (R), 446973 (S) |
ChemSpider | 7608 , 553103 (R) , 394191 (S) |
UNII | 3XUS85K0RA |
EC number | 203-529-7 |
DrugBank | DB02202 |
MeSH | 1,3-Butylene+glycol |
ChEBI | CHEBI:52683 |
ChEMBL | CHEMBL1231503 |
RTECS number | EK0440000 |
Beilstein Reference | 1731276 1718944 (R) |
Gmelin Reference | 2409 2493173 (R) |
Jmol-3D images | Image 1 |
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Properties | |
Molecular formula | C4H10O2 |
Molar mass | 90.12 g mol−1 |
Exact mass | 90.068079564 g mol−1 |
Appearance | Colourless liquid |
Density | 1.0053 g cm−3 |
Melting point |
−50 °C, 223 K, -58 °F |
Boiling point |
204-210 °C, 477-483 K, 399-410 °F |
Solubility in water | 1 kg dm−3 |
log P | −0.74 |
Vapor pressure | 8 Pa (at 20 °C) |
Refractive index (nD) | 1.44 |
Thermochemistry | |
Std enthalpy of formation ΔfH |
−501 kJ mol−1 |
Std enthalpy of combustion ΔcH |
−2.5022 MJ mol−1 |
Standard molar entropy S |
227.2 J K−1 mol−1 |
Hazards | |
GHS pictograms | |
GHS signal word | WARNING |
GHS hazard statements | H319, H413 |
GHS precautionary statements | P305+351+338 |
EU classification | Xi |
R-phrases | R36/37/38 |
S-phrases | S26, S36 |
NFPA 704 |
1
1
0
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Flash point | 108 °C |
Autoignition temperature |
394 °C |
Related compounds | |
Related butanediol | 1,2-Butanediol |
Related compounds | 2-Methylpentane |
(verify) (what is: / ?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) |
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Infobox references |
1,3-Butanediol is an organic chemical, an alcohol. It is commonly used as a solvent for food flavouring agents and is a co-monomer used in certain polyurethane and polyester resins. It is one of four stable isomers of butanediol. In biology, 1,3-butanediol is used as a hypoglycaemic agent.