Chemical Product Library / Reference
Propane-1,2-diol
Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.
Chemical identity
| English name | Propane-1,2-diol |
|---|---|
| English synonyms | Propylene glycol;1,2-Propanediol;PG |
| Chinese name | 丙二醇 |
| Chinese synonyms | 1,2-丙二醇;甲基乙二醇;PG |
| Chemical category | Alcohols & Glycols |
| CAS No. | 57-55-6 |
| EINECS No. | 200-338-0 |
| Molecular formula | C3H8O2 |
| Molecular weight | 76.09 |
PubChem structure images are reference depictions, not proof of composition, purity, grade, or regulatory status. Mixtures and polymers may not have a single representative structure.
Technical indicators
Assay ≥99.5%; water ≤0.2%; color (Pt-Co) ≤10; heavy metals (as Pb) ≤5 ppm; residue on ignition ≤0.05%
Performance characteristics
Colorless odorless viscous liquid, hygroscopic, miscible with water and alcohol
Application scenarios
Unsaturated polyester resin, antifreeze, food additive, pharmaceutical excipient, cosmetics