1,2-BUTANEDIOL

Synonym(s):1,2-Butylene glycol

CAS NO.：584-03-2
Empirical Formula: C4H10O2
Molecular Weight: 90.12
MDL number: MFCD00004570
EINECS: 209-527-2
SAFETY DATA SHEET (SDS)
Update Date: 2024-08-07 19:09:42

What is 1,2-BUTANEDIOL?

Chemical properties

clear colorless liquid

The Uses of 1,2-BUTANEDIOL

1,2-Butanediol was used in the synthesis of (R)-2-hydroxybutyric acid.

Definition

ChEBI: A butanediol in which the two hydroxy groups are located at positions 1 and 2.

Flammability and Explosibility

Non flammable

Safety Profile

Moderately toxic by ingestion. Combustible when exposed to heat or flame. To fight fire, use alcohol foam. When heated to decomposition it emits acrid and irritating fumes.

Properties of 1,2-BUTANEDIOL

Melting point:	-50 °C
Boiling point:	191-192 °C/747 mmHg (lit.)
alpha	-0.2～+0.2°(20℃/D)(neat)
Density	1.006 g/mL at 25 °C (lit.)
vapor pressure	10-2130Pa at 20℃
refractive index	n20/D 1.438(lit.)
Flash point:	200 °F
form	clear liquid
pka	14.49±0.20(Predicted)
color	Colorless to Light yellow
Water Solubility	100-1000g/L at 25℃
BRN	969169
CAS DataBase Reference	584-03-2(CAS DataBase Reference)
EPA Substance Registry System	1,2-Butanediol (584-03-2)

Safety information for 1,2-BUTANEDIOL

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07
GHS Hazard Statements	H319:Serious eye damage/eye irritation
Precautionary Statement Codes	P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P337+P313:IF eye irritation persists: Get medical advice/attention.