Propylene Glycol
SIAL/P4347 - meets USP testing specifications
Synonym: 1,2-Propanediol; Propylene glycol
CAS Number: 57-55-6
Empirical Formula (Hill Notation): C3H8O2
Molecular Weight: 76.09
EC Number: 200-338-0
MDL Number: MFCD00064272
Linear Formula: CH3CH(OH)CH2OH
Product Type: Chemical
agency | meets USP testing specifications |
USP/NF | |
application(s) | pharmaceutical (small molecule) |
autoignition temp. | 779 °F |
bp | 187 °C (lit.) |
density | 1.036 g/mL at 25 °C (lit.) |
expl. lim. | 12.5 % |
InChI | 1S/C3H8O2/c1-3(5)2-4/h3-5 |
InChI key | DNIAPMSPPWPWGF-UHFFFAOYSA |
mp | −60 °C (lit.) |
Quality Level | 200 ![]() |
refractive index | n |
SMILES string | CC(O)CO |
vapor density | 2.62 (vs air) |
vapor pressure | 0.08 mmHg ( 20 °C) |
Packaging: | 4 L in poly bottle |
Packaging: | 500 mL in poly bottle |
RIDADR | NONH for all modes of transport |
WGK Germany | WGK 3 |
Flash Point(F) | 217.4 °F - closed cup |
Flash Point(C) | 103 °C - closed cup |
bp | 187 °C (lit.) |
mp | −60 °C (lit.) |
Density | 1.036 g/mL at 25 °C (lit.) |
Refractive Index | n |
UNSPSC | 12161700 |