Merck
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398039

Sigma-Aldrich

1,2-Propanediol

ACS reagent, ≥99.5%

Synonym(s):
1,2-PDO, Propylene glycol
Linear Formula:
CH3CH(OH)CH2OH
CAS Number:
Molecular Weight:
76.09
Beilstein:
1340498
Número de EC:
Número MDL:
ID de la sustancia en PubChem:
NACRES:
NA.21

grado

ACS reagent

Nivel de calidad

200

densidad de vapor

2.62 (vs air)

presión de vapor

0.08 mmHg ( 20 °C)

ensayo

≥99.5%

formulario

liquid

temp. de autoignición

779 °F

lim. expl.

12.5 %

impurezas

≤0.0005 meq/g Titr. acid
≤0.2% water

residuo de ign.

≤0.005%

color

APHA: ≤10

índice de refracción

n20/D 1.432 (lit.)

bp

187 °C (lit.)

mp

−60 °C (lit.)

densidad

1.036 g/mL at 25 °C (lit.)

trazas de anión

chloride (Cl-): ≤1 ppm

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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Descripción general

1,2-Propanediol, a 1,2-alkanediol is an industrially important chemical. Due to its increasing demand many green methods have been proposed for its synthesis mainly using the inexpensive glycerol as the starting material. It is a raw material for the synthesis of intermediates, building blocks and polymers.

Aplicación

1,2-Propanediol may be used in the following processes:
  • Green synthesis of propylene carbonate.
  • Production of lactic acid by green catalytic oxidation.
  • Propanal generation by catalytic dehydration.

Envase

25, 500 mL in poly bottle
2 L in poly bottle

Otras notas

The article number 398039-4X2L will be discontinued. Please order the single bottle 398039-2L which is physically identical with the same exact specifications.

Código de clase de almacenamiento

10 - Combustible liquids

WGK

WGK 1

Punto de inflamabilidad F

219.2 °F - closed cup

Punto de inflamabilidad C

104 °C - closed cup

Equipo de protección personal

Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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