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Douwin is a reputable and professional chemical compounds company located in China. The company has gained a reputation for its quality products and excellent customer service. In addition to providing different types of acrylic acid and esters and a wide range of solvents, Douwin also supplies other kinds of chemical compounds including Maleic Anhydride, Adipic Acid, Phthalic Anhydride, Acrylamide, and more.


Styrene Monomer (SM)

CAS No.: 100-42-5
HS code: 2902 50 00
Appearance: Colorless oily liquid

Styrene Monomer (SM)

Styrene, is a kind of organic compounds, chemical formula is C8H8, HS code for SM is 2902 50 00

Tetrahydrophthalic anhydride (THPA)

CAS No.: 935-79-5
HS code: 29172010
Appearance: white flaky solid

Tetrahydrophthalic anhydride (THPA)

Tetrahydrophthalic anhydride is soluble in general organic solvents and slightly soluble in petroleum ether.

Toluene diisocyanate (TDI)

CAS No.: 584-84-9
HS code: 29291010
Appearance: colorless liquid

Toluene diisocyanate (TDI)

Toluene diisocyanate (TDI) is a colorless liquid with Sharp and pungent odor detectable at 0.02 to 0.4 ppm.

Trimethyloctyl trimellitate(TOTM)

CAS No.: 3319-31-1
HS code: 2917399090

Trimethyloctyl trimellitate(TOTM)

Trimethyloctyl trimellitate is a heat-resistant and durable plasticizer.

Dioctyl Terephthalate (DOTP)

CAS No.: 6422-86-2
HS code: 2917399090
Appearance: transparent oil liquid

Dioctyl Terephthalate (DOTP)

Dioctyl terephthalate (DOTP) is an organic compound with the formula C24H38O4. HS code for DOTP is 2917399090.

Advantages of Dowin Organic Chemical Compounds

DOUWIN can ensure competitive price and good quality of goods.

We help upstream partners to improve the operating rate and expand market share.

We help downstream customers do a good job in raw material procurement to save time, effort and money, so as to enhance their competitiveness in the industry.

Our sincere service is the real service.

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Know More About Douwin Chemical
Maleic Anhydride Is a Commonly Used and Important Basic Organic Chemical Raw Material

May 31 2023

Maleic Anhydride Is a Commonly Used and Important Basic Organic Chemical Raw Material

The Difference Between Acrylamide and Polyacrylamide

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The Difference Between Acrylamide and Polyacrylamide

Methods for Preparation of Phthalic Anhydride

Jul 22 2021

Methods for Preparation of Phthalic Anhydride