Dipropylene Glycol (DPG)
Solvent CAS 25265-71-8
Odorless and used as a diluent rather than as an odorant. Its neutrality makes it the most common solvent in perfume concentrates.
Odor profile
| Descriptor 1 | Solvents |
| Odor Impact1 | 3 |
| Tenacity1 | 7 h |
1 Source: PerfumersWorld
Identification
| CAS Number | 25265-71-8 |
| INCI Name | Dipropylene glycol |
| Category | Solvent |
| Formula | C6H14O3 |
| Mol. Weight | 134.17 |
| IUPAC Name | 1,1'-Oxydipropan-2-ol |
Synonyms
bis(2-hydroxypropyl) ether, 1'-oxydi-2-propanol, 4-oxa-2, 6-heptanediol, di-1, 2-propylene glycol, oxybispropanol, dipropylenglykol, DPG
Physical and chemical data
| Boiling Point | 232.00 °C |
| Melting Point | -40.00 °C |
| Flash Point | 120.00 °C |
| Density | 1.02300 |
| Refractive Index | 1.43900 |
| Vapor Pressure | 0.031900 mmHg @ 25.00 C. |
| LogP | -1.07 |
| Solubility | miscible with water and ethanol; soluble in toluene |
| Appearance | slightly viscous colorless hygroscopic liquid |
All figures on this page are guide values collected from public reference works and supplier declarations. They differ between batches, origins and qualities. The data sheet of your own supplier is always the authoritative document for the material you actually use.