Product Information
CAS No.: 25265-71-8Synonyms: DPG, Oxybispropanol
Molecular Formula: C₆H₁₄O₃
Molecular Weight: 134.17
EINECS: 246-770-3
INCI: Dipropylene Glycol
Chemphysical Properties
Appearance: clear colorless viscous liquid, almost odorlessDensity: 1.023–1.027 g/cm³ (20 ℃)
Boiling point: 230–235 ℃
Flash point (closed cup): 118 ℃Pour point: -40 ℃
Solubility: fully miscible with water, alcohol and most organic solvents
Characteristic: low vapor pressure, hygroscopic, low skin irritation
Quality Specification
| Item | Industrial Grade | Cosmetic / Fragrance Grade |
|---|---|---|
| Assay (DPG) | ≥99.0% | ≥99.5% |
| Color (Pt-Co) | ≤10 | ≤5 |
| Water | ≤0.10% | ≤0.05% |
| Acidity (as acetic acid) | ≤0.01% | ≤0.005% |
| Iron (Fe) | ≤1 ppm | ≤0.5 ppm |
Use & Application
Cosmetics & fragrance: humectant, coupling solvent for perfume, skincare and personal care
Resin industry: raw material for unsaturated polyester, PU polyol and acrylate resins
Coatings & ink: solvent and coalescing agent
Industrial fluid: brake fluid, cutting fluid, antifreeze agent
Plasticizer synthesis, pesticide solvent
Packaging & Storage
Package: 210kg steel drum; bulk supply available
Store in cool, dry, well-ventilated warehouse, away from fire and strong oxidants
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