1,2-Propanediol
SIAL/82280 - puriss. p.a., ACS reagent, ≥99.5% (GC)
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 mg/kg |
| sulfate (SO42-): ≤20 mg/kg | |
| assay | ≥99.5% (GC) |
| autoignition temp. | 779 °F |
| bp | 187 °C (lit.) |
| cation traces | Ca: ≤5 mg/kg |
| Cd: ≤1 mg/kg | |
| Co: ≤1 mg/kg | |
| Cr: ≤1 mg/kg | |
| Cu: ≤1 mg/kg | |
| Fe: ≤1 mg/kg | |
| K: ≤20 mg/kg | |
| Mg: ≤1 mg/kg | |
| Mn: ≤1 mg/kg | |
| Na: ≤20 mg/kg | |
| Ni: ≤1 mg/kg | |
| Pb: ≤1 mg/kg | |
| Zn: ≤5 mg/kg | |
| density | 1.036 g/mL at 25 °C (lit.) |
| evapn. residue | ≤0.005% |
| expl. lim. | 12.5 % |
| form | viscous liquid |
| grade | ACS reagent |
| puriss. p.a. | |
| ign. residue | <0.005% (as SO4) |
| impurities | ≤0.003% free acid (as CH3COOH) |
| ≤0.1% 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 |
| n |
|
| shelf life | 3 yr |
| SMILES string | CC(O)CO |
| vapor density | 2.62 (vs air) |
| vapor pressure | 0.08 mmHg ( 20 °C) |
| Application: | 1,2-Propanediol (propanediol) may be employed as a cryoprotective agent for the preservation (by cooling to sub-zero temperatures) of human embryos and oocytes (human and mouse). |
| General description: | 1,2-Propanediol is a 1,2-alkanediol. It can be obtained from glycerol, via hydrogenolysis in the presence of Ru/C and Amberlyst ion-exchange resins. |
| 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% (GC) |
| bp | 187 °C (lit.) |
| mp | −60 °C (lit.) |
| Density | 1.036 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| UNSPSC | 12352100 |