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Key Documents

8.18801

Sigma-Aldrich

2,3-Butanediol

(mixture of meso- D- and L-form) for synthesis

Synonym(s):

2,3-Butanediol, 2,3-Butylene glycol

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About This Item

Linear Formula:
CH3CH(OH)CH(OH)CH3
CAS Number:
Molecular Weight:
90.12
MDL number:
UNSPSC Code:
12352104
EC Index Number:
208-173-6
NACRES:
NA.22

vapor pressure

<1 hPa ( 20 °C)

Quality Level

form

liquid

autoignition temp.

395 °C (DIN 51794)

potency

>5000 mg/kg LD50, oral (Rat)

expl. lim.

3.1-11.4 % (v/v)

pH

7 (20 °C in H2O, Aqueous solution)

bp

180-182 °C/1013 hPa

mp

18-20 °C

transition temp

flash point 96 °C (DIN 51758)

density

1.00 g/cm3 at 20 °C

storage temp.

2-30°C

InChI

1S/C4H10O2/c1-3(5)4(2)6/h3-6H,1-2H3/t3-,4+

InChI key

OWBTYPJTUOEWEK-ZXZARUISSA-N

Analysis Note

Assay isomers (GC, area%): ≥ 98.0 % (a/a)
Density (d 20 °C/ 4 °C): 1.000 - 1.005
Water (K. F.): ≤ 2.0 %
Identity (IR): passes test
Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

185.0 °F - closed cup

Flash Point(C)

85 °C - closed cup


Certificates of Analysis (COA)

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