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Key Documents

240559

Sigma-Aldrich

1,4-Butanediol

ReagentPlus®, ≥99%

Synonym(s):

1,4-Butylene glycol, Tetramethylene glycol

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About This Item

Linear Formula:
HO(CH2)4OH
CAS Number:
Molecular Weight:
90.12
Beilstein/REAXYS Number:
1633445
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:

assay:
≥99%
bp:
230 °C (lit.)

vapor density

3.1 (vs air)

Quality Level

product line

ReagentPlus®

assay

≥99%

autoignition temp.

698 °F

dilution

(for general lab use)

refractive index

n20/D 1.445 (lit.)

bp

230 °C (lit.)

mp

16 °C (lit.)

density

1.017 g/mL at 25 °C (lit.)

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General description

1,4-Butanediol is an industrial solvent that is mainly used in the preparation of important polymers such as polyurethanes and polybutylene terephthalate (PET).

Application

1,4-Butanediol may be used in the preparation of 3-buten-1-ol and tetrahydrofuran via dehydration. It may also be used as a reducing agent for carbonyl compounds to form the corresponding alcohols via transfer hydrogenation reaction.

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

pictograms

Exclamation mark

signalword

Warning

hcodes

Hazard Classifications

Acute Tox. 4 Oral - STOT SE 3

target_organs

Central nervous system

Storage Class

10 - Combustible liquids

wgk_germany

WGK 1

flash_point_f

273.2 °F - closed cup

flash_point_c

134 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter


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