309443
(±)-1,3-Butanediol
anhydrous, ≥99%
Synonym(s):
1,3-Butylene glycol
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About This Item
Linear Formula:
CH3CH(OH)CH2CH2OH
CAS Number:
Molecular Weight:
90.12
Beilstein:
1731276
EC Number:
MDL number:
UNSPSC Code:
12352001
PubChem Substance ID:
NACRES:
NA.21
Recommended Products
grade
anhydrous
Quality Level
vapor density
3.1 (20 °C, vs air)
vapor pressure
0.06 mmHg ( 20 °C)
Assay
≥99%
form
liquid
autoignition temp.
741 °F
expl. lim.
0.34-6.3 %
impurities
<0.003% water
<0.005% water (100 mL pkg)
refractive index
n20/D 1.44 (lit.)
pH
6.0-7.0 (20 °C)
bp
203-204 °C (lit.)
mp
-54 °C
density
1.005 g/mL at 25 °C (lit.)
SMILES string
CC(O)CCO
InChI
1S/C4H10O2/c1-4(6)2-3-5/h4-6H,2-3H2,1H3
InChI key
PUPZLCDOIYMWBV-UHFFFAOYSA-N
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Application
(±)-1,3-Butanediol may be used as a solvent in the preparation of 6-methoxy-2-benzoxazolinone via condensation reaction between 2-hydroxy-4-methoxyphenyJarnmonium chloride and urea. It can also react with carboxylic acids to form the corresponding chlorohydrin esters in the presence of chlorotrimethylsilane.
Storage Class Code
10 - Combustible liquids
WGK
WGK 1
Flash Point(F)
226.4 °F - closed cup
Flash Point(C)
108 °C - closed cup
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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