2,3-Butanediol

Catalog	ACM513859
CAS	513-85-9
Structure
Category	Environmental Standards
Description	Liquid;Solid;Solid
Synonyms	Omega-butylene glycol
IUPAC Name	Butane-2,3-diol
Molecular Weight	90.12
Molecular Formula	C4H10O2
Canonical SMILES	CC(C(C)O)O
InChI	InChI=1S/C4H10O2/c1-3(5)4(2)6/h3-6H,1-2H3
InChI Key	OWBTYPJTUOEWEK-UHFFFAOYSA-N
Boiling Point	183-184 °C(lit.)
Melting Point	25 °C(lit.)
Flash Point	185 °F
Purity	97%
Density	1.002 g/mL at 20 °C(lit.)
Solubility	Soluble in water
Appearance	Liquid
Application	2,3-Butanediol serves as a versatile and promising bulk chemical with wide-ranging applications in various industries. It is a viscous, colorless liquid or a colorless to white solid, known for its ability to enhance the octane number of fuels, making it a valuable drop-in fuel option. Its utility extends to the production of printing inks, perfumes, synthetic rubber, fumigants, antifreeze agents, and pharmaceuticals. As an organic compound, 2,3-Butanediol is classified as a vicinal diol (glycol) with hydroxyl groups at C-2 and C-3, existing in three stereoisomers. It plays a critical role as a precursor in manufacturing chemicals like methyl ethyl ketone (MEK), gamma-butyrolactone (GBL), and 1,3-butadiene. Furthermore, it can be converted into methyl-ethyl ketone for use as a solvent and, through combination and hydrogenation reactions, transformed into octane for high-quality aviation fuel. Its capability to undergo dehydration and deoxydehydration processes demonstrates its adaptability in forming other valuable compounds such as butanone and butene, emphasizing its importance in the chemical sector.
Storage	Store below +30 °C
EC Number	208-173-6
LogP	-0.92 (LogP);-0.92;log Kow = -0.92;-0.92
pH	7
Refractive Index	n20/D 1.433(lit.)
Stability	Stable under recommended storage conditions.
Vapor Density	3.1 (Air = 1)
Vapor Pressure	0.21 mmHg;0.243 mm Hg at 25 °C

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