Merck
All Photos(2)

8.07481

Sigma-Aldrich

1,3-Propanediol

for synthesis

Synonym(s):
1,3-Propanediol, Trimethylene glycol, 1,3-Propylene glycol
Linear Formula:
HO(CH2)3OH
CAS Number:
Molecular Weight:
76.09
MDL number:
EC Index Number:
207-997-3

Quality Level

vapor pressure

<0.1 hPa ( 20 °C)

assay

≥98.0% (GC)

form

liquid

autoignition temp.

405 °C

potency

15670 mg/kg LD50, oral (Rat)
>20000 mg/kg LD50, skin (Rabbit)

expl. lim.

2.5 % (v/v)

pH

4.5-7.0 (20 °C, 100 g/L in H2O)

bp

213-215 °C/1013 hPa

mp

-32 °C

solubility

100 g/L

density

1.05 g/cm3 at 20 °C

storage temp.

2-30°C

InChI

1S/C3H8O2/c4-2-1-3-5/h4-5H,1-3H2

InChI key

YPFDHNVEDLHUCE-UHFFFAOYSA-N

Analysis Note

Assay (GC, area%): ≥ 98.0 % (a/a)
Density (d 20 °C/ 4 °C): 1.051 - 1.053
Identity (IR): passes test

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

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Certificate of Quality

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