Dipropylene Glycol
Dipropylene glycol is a mixture of three isomeric chemical compounds, 4-oxa-2,6-heptandiol, 2-(2-hydroxy-propoxy)-propan-1-ol, and 2-(2-hydroxy-1-methyl-ethoxy)-propan-1-ol.
It is a colorless, nearly odorless liquid with a high boiling point and low toxicity.
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| Names | |
|---|---|
| IUPAC names 4-Oxa-2,6-heptandiol and 4-Oxa-1,6-heptandiol | |
| Other names 1,1'-Oxybis(1-propanol) and 1,1'-Oxybis(2-propanol) | |
| Identifiers | |
3D model (JSmol) |
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| ChemSpider | |
| ECHA InfoCard | 100.042.504 |
| EC Number |
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PubChem CID | |
| UNII | |
CompTox Dashboard (EPA) | |
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| Properties | |
| C6H14O3 | |
| Molar mass | 134.173 g/mol |
| Appearance | colorless liquid |
| Density | 1.0206 g/cm3 at 20 °C |
| Boiling point | 230.5 °C (446.9 °F; 503.6 K) |
| Miscible | |
| Solubility | Soluble in ethanol |
| Hazards | |
| NFPA 704 (fire diamond) | |
| Flash point | 121 °C (250 °F; 394 K) |
| 310 °C (590 °F; 583 K) | |
| Safety data sheet (SDS) | SIRI.org |
| Related compounds | |
Related compounds | Ethylene glycol Propylene glycol |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
Uses
Dipropylene glycol finds many uses as a plasticizer, an intermediate in industrial chemical reactions, as a polymerization initiator or monomer, and as a solvent. Its low toxicity and solvent properties make it an ideal additive for perfumes and skin and hair care products. It is also a common ingredient in commercial fog fluid, used in entertainment industry fog machines.
References
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