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Maleic anhydride

Maleic anhydride is an organic acid anhydride compound with the molecular formula C₄H₂O₃. It appears as colorless or white flaky crystals with a pungent odor.

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Maleic Anhydride

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Maleic anhydride is an organic anhydride compound with the molecular formula C₄H₂O₃. It appears as colorless or white flaky crystals with a pungent odor.

It is an important chemical raw material with strong chemical reactivity. It is primarily used in the production of unsaturated polyester resins, plasticizers,

surfactants, pesticides, and pharmaceutical intermediates. It is widely used in the coatings, building materials, papermaking, and plastics industries.

Melting point	51 - 56 ºC
Boiling point	202 ºC
Water -soluble	Dissolonic acidocyl acidic acid
Density	1.484 g/cm³
Exterior	White crystal
Flash point	103.3 ºC
UN number	2215
Hazard Class	8

Mainly includes:
🔹 1. Unsaturated Polyester Resin (UPR)
Maleic anhydride is one of the key raw materials for the production of unsaturated polyester resin.
This resin is widely used in industries such as fiberglass, building materials, automotive parts, ships, and pipelines.
🔹 2. Tetrahydrophthalic anhydride and Plasticizers
Through hydrogenation, tetrahydrophthalic anhydride (THF) can be produced for the production of engineering plastics and elastomers.
It can also be used to produce plasticizers, alkyd resins, and surfactants.
🔹 3. Paper and Agrochemicals
Used in paper sizing agents to improve paper's water resistance and strength.
Used as an intermediate in pesticides, such as herbicides and insecticides.
🔹 4. Coatings and Adhesives
Used in coatings and adhesives to improve product adhesion, heat resistance, and corrosion resistance.
🔹 5. Other Applications
Prepared for chemical products such as fumaric acid and succinic acid.
Serves as an important intermediate in the synthesis of pharmaceuticals, dyes, and fragrances.

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APPLICATION AREAS

Plastic Production

Agriculture

Food Processing

Water Treatment

Daily Chemicals

Pharmaceutical Field

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