2,3-Butanediol

2,3-Butanediol
IUPAC name Butane-2,3-diol
Other names 2,3-Butylene glycol Dimethylene glycol 2,3-Dihydroxybutane Butan-2,3-diol
Identifiers
CAS number	513-85-9 Y
PubChem	262
ChemSpider	257
Jmol-3D images	Image 1
SMILES CC(C(C)O)O
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	R11
S-phrases	(S2) S7 S16
NFPA 704	3
LD50	5462 mg/kg
Related compounds
Related butanediols	1,4-Butanediol 1,3-Butanediol
Y (verify) (what is: Y/N?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

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.^[1] 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.^[2]

References

1. ^ 2,3-Butanediol at SigmaAldrich
2. ^ "3,5-dinitrobenzoic acid". Combined Chemical Dictionary. Chapman and Hall/CRC Press. 2007.