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P1009

1,2-Propanediol

Name: 1,2-Propanediol
Brand: SIGMA

Synonym(s):

Propylene glycol

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About This Item

Linear Formula:

CH₃CH(OH)CH₂OH

CAS Number:

57-55-6

Molecular Weight:

76.09

EC Number:

200-338-0

UNSPSC Code:

12352103

MDL number:

MFCD00064272

Beilstein/REAXYS Number:

1340498

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Properties

vapor density

2.62 (vs air)

vapor pressure

0.08 mmHg ( 20 °C)

assay

≥99% (GC)

autoignition temp.

779 °F

expl. lim.

12.5 %

refractive index

n20/D 1.432 (lit.)

bp

187 °C (lit.)

mp

−60 °C (lit.)

density

1.036 g/mL at 25 °C (lit.)

SMILES string

CC(O)CO

InChI

1S/C3H8O2/c1-3(5)2-4/h3-5H,2H2,1H3

InChI key

DNIAPMSPPWPWGF-UHFFFAOYSA-N

Description

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Storage Class

10 - Combustible liquids

wgk

WGK 3

flash_point_f

217.4 °F - closed cup

flash_point_c

103 °C - closed cup

ppe

Eyeshields, Gloves

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