Zhishang Chemical

Welcome to Zhishang Chemical      +86-176 5311 3209     Simon@sdzschem.com

Zhishang Chemical
Close this search box.

Dipropylene Glycol CAS 25265-71-8

Molecular Formula: C6H14O3

Formula Weight: 134.17

ZSpharmac: Dipropylene Glycol Supplier

Product Name: Dipropylene Glycol
CAS No: 25265-71-8
Purity: 99%

Navigation Bar

Basic Info

Product Name:Dipropylene Glycol
Other Names:Dipropyleneglycol
Place of Origin:Shandong, China
Brand Name:ZSpharmac
Type:Cosmetic Raw Materials
Appearance:Clear Yellow Liquid
EINECS No.:246-770-3
Storage:Store Below +30°C.
Provide:Dipropylene Glycol MSDS;
Dipropylene Glycol COA

What is Dipropylene Glycol?

Dipropylene glycol (DPG for brief) is an anemic, odorless fluid at room temperature level. It is non-corrosive, has little inflammation to the skin, and also has reduced poisoning. It is widely made use of. Dipropylene glycol is split into LO+ quality as well as commercial quality. The former is relatively pricey, as well as is mainly utilized in areas calling for top notch raw materials such as spices, cosmetics, cleaning agents, as well as food additives; the last is reasonably low in price, and is extensively made use of as an industrial solvent that does not require high DPG top quality and as a solvent for unsaturated polyester. Resources for production, nitrocellulose varnish, etc.

Dipropylene Glycol Property

Melting point -32℃
Boiling point 90-95 °C1 mm Hg
density 1.023 g/mL at 25 °C (lit.)
vapor density 4.6 (vs air)
vapor pressure <0.01 mm Hg ( 20 °C)
refractive index n20/D 1.441(lit.)
Fp 280 °F
storage temp. Store below +30°C.
solubility Chloroform (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly)
form Liquid
color Clear yellow to orange-red, product may darken during storage
PH6-7 (100g/l, H2O, 20℃)
Odorat 100.00?%. slight alcoholic
explosive limit2.9-12.6%(V)
Water Solubility MISCIBLE


Application of Dipropylene Glycol in Cosmetics

1) Dipropylene glycol is one of one of the most optimal solvent for several tastes, fragrances as well as cosmetics. This sources has outstanding water, oil and also hydrocarbon solubility, mild smell, little irritability to the skin, reduced toxicity, consistent flow of isomers, and additionally exceptional top-notch.

2) Dipropylene glycol can furthermore be utilized as a combining representative as well as likewise humectant in various cosmetic applications. In the field of fragrance, the percentage of dipropylene glycol utilized exceeds 50%; while in a few various other application areas, the percent of dipropylene glycol utilized is usually within 10% (weight). Some information item application locations include: crinkling lotions, skin cleansers (cold creams, shower gels, body creams, and also creams) antiperspirants, face, hand, and body skin care products, hydrating skin therapy products, as well as additionally lipsticks.

3) Dipropylene glycol can additionally populate an area in unsaturated material as well as saturated material. Its production material has costs adaptability, fracture resistance as well as weather condition resistance. The durable yellowing resistance of the item is reputable.

Application of Dipropylene Glycol

Application one,
CN201510183339.4 discloses a flame-retardant alkyd resin. The flame-retardant alkyd resin of the present invention is prepared from the following raw materials in parts by weight: 30-60 parts of dipropylene glycol, 15-35 parts of polybasic acid, vegetable oil 10-20 parts, 2-7 parts of antioxidant, 1-8 parts of phosphorous acid, 0.3-3 parts of flame retardant; wherein, the polybasic acid is phthalic anhydride, maleic anhydride, both One or more of pyromellitic acid; the vegetable oil is one of palm oil, tung oil, castor oil and peanut oil. The flame retardant alkyd resin of the present invention is formed by polycondensation of dipropylene glycol, polybasic acid, vegetable oil, antioxidant, phosphorous acid and flame retardant, endows the film-forming base material with flame retardant and fireproof properties, and has reasonable process design and high production efficiency High, low energy consumption, strong operability, easy to implement, and the prepared flame-retardant alkyd resin has excellent properties.

Application two,
CN201510926435.3 discloses a kind of glass water for automobile glass, which is characterized in that: in terms of mass percentage, it consists of the following components: dipropylene glycol methyl ether 6.0-10%, nonylphenol 9-10%, ethylene glycol Butyl ether 1.0-2%, propylene glycol methyl ether 16.0-20%, isopropanol 10.0-15%, anhydrous sodium metasilicate 2-4%, fatty alcohol polyoxyethylene ether 3-6%, ethylenediaminetetraacetic acid Disodium 1~3%, ethylene glycol 2~4%, and the balance is deionized water. The glass water for automobile glass of the present invention can make the windshield clear and bright, delay the rubber aging of the wiper, has good antifreeze and corrosion resistance functions, good cleaning effect, provides a good vision for the driver, and ensures the driving safety of the car. .

Preparation of Dipropylene Glycol

In a 5L reactor, add 30g of alkali stimulant salt methoxide, 750g of propylene oxide, as well as 2250g of propylene glycol in turn, loaded with nitrogen to 0.3 MPa, start mixing, heat up to 110 ° C within half an hour, gradually release nitrogen during the home heating process, as well as raise the temperature to At 120 ° C, the stress in the kettle was maintained 0.3 MPa, and the reaction time was 2 hours. After the response is wound up, awesome as well as also press out the fluid material in the kettle. The reaction product was reviewed by gas chromatography, and also the pureness of the item was 99.87%; the freezing point of the item gotten under the problem of fundamental stimulant was 4 ° C.

About Products:
If you need Dipropylene Glycol as a cosmetic raw material, please contact our service staff directly, we will provide you with high-quality products at the best price.
As an experienced manufacturer and supplier of Dipropylene Glycol, ZSpharmac will provide Dipropylene Glycol raw materials to customers all over the world for a long time.
Over the years, the company has been adhering to the spirit of “integrity management, strict quality control, customer first”, and has won unanimous praise from domestic and foreign customers.

Company Profile and Corporate Culture

Company Profile:

ZhiShang Chemical is owned by ZhiShang Group is a professional new-type chemicals enterprise combined into research and development, production and sales .

The company’s competitive product is pharmaceutical raw materials and intermediates (especially carbohydrate derivatives Series), In recent years, the company has made a major breakthrough in food and feed additives, plant extraction, industrial chemicals industry .

The company insists on the spirit of “sincere management, strict quality control, customer as god” , get consistent high praise from customers at home and abroad.

Corporate Culture:

Help China Chemicals to benefit the happiness of human life
Become the most trusted chemical supplier in the world
Striver – oriented, enrich employees, customer first, deep service, seek development
Be prepared for danger in times of peace, forge ahead actively, unity and cooperation, and be brave to fight

About Us

The production base is located in Zhangqiu chemical industry park and Tai’an high-tech chemical industry park. laboratory and workshop in strict accordance with the GMP standard and the product fit national ISO9001 and ISO2000 standards.

“Zhishang” products are exported to Europe, North and South America, the Middle East, Asia Pacific and Africa area, so as to establish a long-term and stable cooperation relationship with customer in the world.

Company Info
  • Business Type: Manufacturer
  • Product Range: Cosmetic raw materials
  • Products/Service:Cosmetic raw materials (flavors and fragrances,antioxidant products, moisturizing and hydrating, whitening agents, cosmetic additives)
  • Total Employees: 51~100
  • Capital (Million US $): 10000000RMB
  • Year Established: 2016
Production Capacity
  • No. of Production Lines : 8
  • No. of QC Staff : 5 -10 People
  • OEM Services Provided : yes
  • Factory Size (Sq.meters) : 3,000-5,000 square meters
  • Certificate: ISO9001 , CE , GMP , API , MSDS
  • Factory Location : Diao Town Industry Park, Zhangqiu City, Jinan City, Shandong Province, China.


Pre-Sales Service

* Prompt reply and 24 hours online, professional team to provide best price and high quality product.

* Sample testing support.

* Every batch of products will be tested to ensureits quality.

*The packing also can be according the customers` requirment.

*Any inquiries will be replied within 24 hours.

*we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.


After-Sales Service

*The fact of logistics information monitoring.

* Any questions about the product can be consulted at any time.

*Product has any problem can return.


Do you accept sample order?

We will make samples before mass production, and after sample approved, we’ll begin mass production. Doing 100% inspection during production, then do random inspection before packing.



You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.

What’s your MOQ?

Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.

Do you supply product report?

Yes. We’ll give you product analysis report before shipping.

  Is there a discount?

Different quantity has different discount.


1. ≤50kg, Express delivery recommended, usually called as DDU service;

2. ≤500kg, Air shipping recommended, usually called as FOB, CFR, or CIF service;

3. >500kg, sea shipping recommended, usually called as FOB, CFR, or CIF service;

4. For high value products, please select air shipping and express delivery for safe.

Get Dipropylene Glycol Quotation