butane-2,3-diol

Basic Information

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CAS Number

513-85-9

Molecular Formula

C4H10O2

Molecular Weight

90.12 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Hydrocarbons

Basic Physical Properties

Melting Point

25 °C

Boiling Point

183-184 °C

Refractive Index

n20/D 1.433(lit.)

SMILES

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CC(O)C(C)O

InChI

InChI=1S/C4H10O2/c1-3(5)4(2)6/h3-6H,1-2H3

InChIKey

OWBTYPJTUOEWEK-UHFFFAOYSA-N

LogP

-0.252

Topological Polar Surface Area

40.46 Å²

Hydrogen Bond Donor/Acceptor

2 / 2

Complexity

30.5

Safety Information

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GHS Hazard Pictograms

H227

Hazard Statement

H227 Combustible liquid
Flammable liquids

Stability

Stable. Combustible. Incompatible with strong oxidizing agents, acid anhydrides, acid chlorides, chloroformates, reducing agents.

Sensitiveness

Hygroscopic

Explosive Limit

3.1-11.4%(V)

Synonyms & References

English

2,3-BUTANEDIOL
2,3-DIHYDROXYBUTANE
BUTANE-2,3-DIOL
BUTANEDIOL, 2,3-
DIMETHYLENE GLYCOL
OMEGA-BUTYLENE GLYCOL
2,3-Butandiol
2,3-butanodiol
Dimethylethylene glycol
pseudobutyleneglycol
sym-dimethylethyleneglycol
2,3-BUTANEDIOL, MIXTURE OF RACEMIC AND M ESO FORMS
2.3-BUTYLENE GLYCOL GC STANDARD
2,3-BUTANEDIOL NATURALLY PRODUCED
2,3-BUTANEDIOL (MIXTURE OF MESO- D- AND L-FORM)
butanediol,2,3-butanediol
BUTANEDIOL, 2,3-(SG)
2,3-Butanediol (mixture of stereoisomers)
2.3-Butanediol
BUTANEDIOL, 2,3-(AS)
3-hydroxy-2-butanol
butane-2R,3R-diol
DiMethylethylene glycol
meso-2,3-butanediol
2,3-Butylene Glycol (mixture of stereoisomers)
2,3-Dihydroxybutane (mixture of stereoisomers)
2,3-Butylene glycol
Pseudobutylene glycol
Sym-dimethylethylene glycol
DL-2,3-Butanediol
OWBTYPJTUOEWEK-UHFFFAOYSA-N

MDL Number

MFCD00004523

Customs Code

29053980

FAQ

What is butane-2,3-diol (CAS: 513-85-9)?

Butane-2,3-diol (CAS: 513-85-9) is an organic compound with the chemical formula C4H10O2. It is a colorless liquid characterized by two hydroxyl groups (-OH) attached to the second and third carbon atoms of a four-carbon chain. This diol exhibits moderate solubility in water and is commonly used as a chemical intermediate due to its reactivity and structural versatility.

What are the main uses of butane-2,3-diol (CAS: 513-85-9)?

Butane-2,3-diol (CAS: 513-85-9) is widely utilized in pharmaceuticals as a solvent and excipient, in industrial applications for polymer synthesis, and in food processing as a humectant. It also serves as a key intermediate in the production of surfactants, lubricants, and other specialty chemicals, making it valuable in research and manufacturing.

Is butane-2,3-diol (CAS: 513-85-9) safe?

Butane-2,3-diol (CAS: 513-85-9) is generally considered safe when handled properly, but it requires caution. It has low acute toxicity, though prolonged exposure may cause skin or eye irritation. Safety standards recommend using protective gloves, goggles, and ensuring adequate ventilation. Always follow guidelines from OSHA or EPA for safe handling in industrial or research settings.

How should butane-2,3-diol (CAS: 513-85-9) be stored?

Butane-2,3-diol (CAS: 513-85-9) should be stored in a cool, dry place away from direct light. Maintain storage temperature between 20-25°C and keep humidity levels low to prevent hygroscopic degradation. Use airtight, sealed containers to avoid moisture absorption and ensure stability over time. Store in a well-ventilated area to minimize exposure risks.