2,3-Butanediol Identifiers CAS number PubChem ChemSpider Jmol-3D images Image 1 Properties Molecular formula C4H10O2 Molar mass 90.121 g/mol Density 0.987 g/mL Boiling point
177 °C, 450 K, 351 °F
Hazards EU classification Flammable (F) R-phrases S-phrases NFPA 704 LD50 5462 mg/kg Related compounds Related butanediols 1,4-Butanediol
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Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
2,3-Butanediol is a chemical compound composed of carbon, hydrogen, and oxygen. Its formula is C4H10O2. It is one of the constitutional isomers of butanediol. The 2R,3R stereoisomer of 2,3-butanediol is produced by a variety of microorganisms, in a process known as butanediol fermentation. It is found in cocoa butter and in the roots of Ruta graveolens. It is used in the resolution of carbonyl compounds in gas chromatography.
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