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Alcohols & Glycols

Bis(2-hydroxypropyl) ether

CAS: 110-98-5

Overview

Bis(2-hydroxypropyl) ether (CAS 110-98-5 ), commonly known as DPG or dipropylene glycol, is a diol solvent and humectant used across personal care, coatings, and polymer manufacturing. It functions primarily as a carrier and coupling agent.

This chemical enables the uniform dispersion of active ingredients and additives across a broad range of formulations. In personal care, it acts as a solvent and humectant in lotions, fragrances, and skin-conditioning products.

The material improves spreadability and moisture retention in various cosmetic applications. Coatings and adhesives formulators use it as a reactive diluent and plasticizing co-solvent to control viscosity and enhance film flexibility.

In polyurethane production, it serves as a chain extender and polyol building block, influencing the mechanical properties of foams, elastomers, and sealants. It also functions as a stabilizer and carrier in UV-absorber systems.

The product is utilized in preservative blends where solubility of actives is a formulation constraint. It is supplied as a clear, low-viscosity liquid in drum and IBC quantities for industrial use.

Bulk tanker supply is available for high-volume industrial buyers requiring consistent delivery. Standard commercial grades include industrial/technical and cosmetic-grade, with the latter meeting purity requirements for personal care.

Specifications are aligned with recognized industry standards for glycol-based solvents across major markets. This ensures reliability and performance for manufacturers across the global chemical supply chain.

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Physical Properties

Melting Point-40 °C
Boiling Point233 °C
Density1.0252 g/cm³ @ Temp: 20 °C
Flash Point138 °C
ColorColorless,sltly viscous liquid
Odornearly odorless
Refractive Index1.44-1.442
Log P-0.820

Trade & Regulatory

HS Code29094400

Other Names

11'-OXYDI-2-PROPANOL | 2-Propanol11'-oxybis- | 1-(2-hydroxypropoxy)propan-2-ol | 4-Oxaheptane-26-diol | 11'-Oxybis-2-propanol | 11'-Oxydipropan-2-ol | 11'-Dimethyldiethylene glycol | NIAX catalyst D-19 | DPG

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Chemical Properties

CAS Number
110-98-5
EC Number
203-821-4
Mol. Weight
134.17
HS Code
29094400

Industries

Documentation