1,2-Propanediol
SIAL/82281 - tested according to Ph. Eur.
Synonym: 1,2-PDO; Propylenglycolum; 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 | tested according to Ph. Eur. |
| 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 % |
| form | viscous liquid |
| InChI | 1S/C3H8O2/c1-3(5)2-4/h3-5 |
| InChI key | DNIAPMSPPWPWGF-UHFFFAOYSA |
| mp | −60 °C (lit.) |
| Quality Level | 100  |
| refractive index | n |
| SMILES string | CC(O)CO |
| vapor density | 2.62 (vs air) |
| vapor pressure | 0.08 mmHg ( 20 °C) |
| 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 | 12352200 |