Alcohols & Glycols
REACH
Bis(2-hydroxypropyl) ether
CAS Number
110-98-5
EC Number
203-821-4
Abbreviation
DPG
What is Bis(2-hydroxypropyl) ether?
Bis(2-hydroxypropyl) ether (CAS 110-98-5), commonly known as DPG or dipropylene glycol, is a diol solvent and humectant.
Where is Bis(2-hydroxypropyl) ether used?
- Personal care: solvent and humectant in lotions, fragrances, and skin-conditioning products
- Coatings and adhesives: reactive diluent and plasticizing co-solvent that controls viscosity and enhances film flexibility
- Polyurethane production: chain extender and polyol building block influencing mechanical properties of foams, elastomers, and sealants
- UV-absorber systems: stabilizer and carrier
- Preservative blends: solubility of actives
- It functions primarily as a carrier and coupling agent.
Commercial specifications
- Drum and IBC quantities
- Bulk tanker supply
Other Names (Synonyms)
1,1'-OXYDI-2-PROPANOL|2-Propanol, 1,1'-oxybis-|1-(2-hydroxypropoxy)propan-2-ol|4-Oxaheptane-2,6-diol|1,1'-Oxybis-2-propanol|1,1'-Oxydipropan-2-ol|1,1'-Dimethyldiethylene glycol|NIAX catalyst D-19|DPG
What are the physical properties of Bis(2-hydroxypropyl) ether?
Melting Point -40 °C
Boiling Point 233 °C
Density 1.0252 g/cm³ @ Temp: 20 °C
Flash Point 138 °C
Color Colorless,sltly viscous liquid
Odor nearly odorless
Refractive Index 1.44-1.442
Log P -0.820
Which trade and regulatory codes apply to Bis(2-hydroxypropyl) ether?
HS Code 29094400