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. |
| Other Notes: | Tandem Mass Spectrometry data independently generated by Scripps Center for Metabolomics is available to view or download in PDF. 82280.pdf Tested metabolites are featured on Scripps Center for Metabolomics METLIN Metabolite Database. To learn more, visit sigma.com/metlin. |
| 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 |