1,2-Propanediol
SIAL/398039 - ACS reagent, ≥99.5%
Synonym: 1,2-PDO; 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
| anion traces | chloride (Cl-): ≤1 ppm |
| assay | ≥99.5% |
| autoignition temp. | 779 °F |
| bp | 187 °C (lit.) |
| color | APHA: ≤10 |
| density | 1.036 g/mL at 25 °C (lit.) |
| expl. lim. | 12.5 % |
| form | liquid |
| grade | ACS reagent |
| ign. residue | ≤0.005% |
| impurities | ≤0.0005 meq/g Titr. acid |
| ≤0.2% water | |
| 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) |
| Application: | 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. |
| General description: | 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. |
| Other Notes: | The article number 398039-4X2L will be discontinued. Please order the single bottle 398039-2L which is physically identical with the same exact specifications. |
| Packaging: | 2 L in poly bottle |
| Packaging: | 25, 500 mL in poly bottle |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | 219.2 °F - closed cup |
| Flash Point(C) | 104 °C - closed cup |
| Purity | ≥99.5% |
| bp | 187 °C (lit.) |
| mp | −60 °C (lit.) |
| Density | 1.036 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| UNSPSC | 12352100 |