Shanghai Dingwujin Chemical Co., Ltd. is a reliable supplier of dipropylene glycol in China. We cooperate with qualified Chinese factories and focus on chemical distribution to Central Europe, Eastern Europe and Ukraine. We welcome inquiries for wholesale and custom-spec dipropylene glycol manufactured in China.
Dipropylene Glycol
Introduction
Characteristics
| Molar Weight | 134.173 g/mol |
| Melting Point | -32℃ |
| Boiling Point | 230.5 °C |
| Flash Point | 121 °C |
| Density | 1.0206 g/cm3 at 20 °C |
| Forms | Liquid (clear) |
Product Grades
Industrial Grade
Purity: 98.0%–99.0%. Used in unsaturated polyester resins, nitrocellulose varnishes, synthetic detergents, and industrial solvent applications where odour sensitivity is low.
Cosmetic Grade
Purity: 99.5%–99.7%. Specifically designed for use in cosmetic humectants, perfumes, high-grade detergents, and food flavour carriers, with stringent requirements for purity and odour profile.
Reagent Grade
Purity: ≥99.0% (high-purity specifications ≥99.8%). Suitable for use as organic synthesis intermediates, chromatographic reference standards, and precision laboratory applications.
Food Grade
Purity: ≥99.7%. Primarily used in food flavourings.
Pharmaceutical Grade
Purity: ≥99.0%, with stricter impurity limits. Used in pharmaceutical intermediates or as a co-solvent.
Standard stock items are of industrial grade. For special grade orders, please contact us for complete documentation.
Uses and Applications
Key applications
- Fragrances
- Solvents
- Cosmetic products
Industries
- Agriculture
- Beauty & Personal Care
- CASE & Construction
Dipropylene Glycol Used in the Comestic Industry
Dipropylene Glycol has a mild odour and low skin irritancy, making it an ideal solvent choice. It is widely used in perfumes, lotions, lipsticks, and skin care products. In addition, it serves a dual function as both a coupling agent and a humectant, effectively enhancing formulation stability.


1,1'-Oxybis(1-propanol) Used in the Coating Industry
1,1'-Oxybis(1-propanol) is widely used in the coatings industry due to its excellent solvency, effectively dissolving a variety of film-forming materials such as nitrocellulose, cellulose acetate, and shellac varnishes.
1,1'-Oxybis(2-propanol) Used in the Polymer Industry
1,1'-Oxybis(2-propanol) is utilized in producing unsaturated polyester resins, saturated resins, and plasticizers, delivering superior flexibility, crack resistance, and long-term yellowing resistance.


Dipropylene Glycol Used in the Electronic Industry
In the electronics industry, Dipropylene Glycol can be used as a component of cleaning agents.
1,1'-Oxybis(1-Propanol) Used in the Laboratory
In the laboratory, 1,1'-Oxybis(1-propanol) can be used as a reaction medium or as a component of the mobile phase in chromatographic analysis.


1,1'-Oxybis(2-Propanol) Used in the Pharmaceutical Industry
1,1'-Oxybis(2-Propanol) is used as a drug carrier or excipient to enhance drug stability.


