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55417

1,2-Propanediol

reference material

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:
41116107
PubChem Substance ID:
329758104
Beilstein/REAXYS Number:
1340498
MDL number:
MFCD00064272
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grade

reference material

Quality Segment

100

vapor density

2.62 (vs air)

vapor pressure

0.08 mmHg ( 20 °C)

assay

≥98.5% (qNMR), ≥99.5% (GC)

autoignition temp.

779 °F

shelf life

limited shelf life, expiry date on the label

expl. lim.

12.5 %

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

impurities

≤0.5% water

refractive index

n20/D 1.432 (lit.), n20/D 1.432-1.434

bp

187 °C (lit.)

mp

−60 °C (lit.)

density

1.036 g/mL at 25 °C (lit.)

application(s)

cleaning products
cosmetics
flavors and fragrances
food and beverages
forensics and toxicology
personal care
pharmaceutical (small molecule)

format

neat

SMILES string

CC(O)CO

InChI

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

InChI key

DNIAPMSPPWPWGF-UHFFFAOYSA-N

Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

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Storage Class

10 - Combustible liquids

wgk

WGK 3

flash_point_f

219.2 °F - closed cup

flash_point_c

104 °C - closed cup

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