Merck
All Photos(1)

82281

Sigma-Aldrich

1,2-Propanediol

tested according to Ph. Eur.

Synonym(s):
1,2-PDO, Propylene glycol, Propylenglycolum
Linear Formula:
CH3CH(OH)CH2OH
CAS Number:
Molecular Weight:
76.09
Beilstein:
1340498
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.25

Quality Level

Agency

USP/NF
tested according to Ph. Eur.

vapor density

2.62 (vs air)

vapor pressure

0.08 mmHg ( 20 °C)

form

viscous liquid

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.)

application(s)

pharmaceutical (small molecule)

SMILES string

CC(O)CO

InChI

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

InChI key

DNIAPMSPPWPWGF-UHFFFAOYSA-N

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Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

219.2 °F - closed cup

Flash Point(C)

104 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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