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82281

Sigma-Aldrich

1,2-Propanediol

tested according to Ph. Eur.

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

Agency

USP/NF
tested according to Ph. Eur.

Quality Level

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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1 of 4

This Item
PX16901603382280
1,2-Propanediol tested according to Ph. Eur.

Sigma-Aldrich

82281

1,2-Propanediol

1,2-Propanediol

Supelco

PX1690

1,2-Propanediol

1,2-Propanediol meets analytical specification of Ph. Eur., BP, USP, ≥99.5%

Sigma-Aldrich

16033

1,2-Propanediol

1,2-Propanediol puriss. p.a., ACS reagent, ≥99.5% (GC)

Sigma-Aldrich

82280

1,2-Propanediol

refractive index

n20/D 1.432 (lit.)

refractive index

n20/D 1.43

refractive index

n20/D 1.431-1.433, n20/D 1.432 (lit.)

refractive index

n20/D 1.432 (lit.), n20/D 1.433

bp

187 °C (lit.)

bp

188 °C/1013 hPa

bp

187 °C (lit.)

bp

187 °C (lit.)

mp

−60 °C (lit.)

mp

-59 °C

mp

−60 °C (lit.)

mp

−60 °C (lit.)

density

1.036 g/mL at 25 °C (lit.)

density

1.04 g/cm3 at 20 °C

density

1.036 g/mL at 25 °C (lit.)

density

1.036 g/mL at 25 °C (lit.)

Quality Level

100

Quality Level

200

Quality Level

200

Quality Level

200

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

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