Phthalic Anhydride

Phthalic anhydride is an important organic chemical compound. Its chemical formula is C₈H₄O₃. It is a white, odorless solid at room temperature. Phthalic anhydride is widely used in the chemical industry, especially in the production of plasticizers, dyes, and resins. It plays a crucial role in various industrial processes due to its reactive chemical properties.

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Phthalic Anhydride

Product Description

Phthalic Anhydride

CAS Number: 85-44-9
EINECS: 201-607-5
Molecular Formula: C₈H₄O₃
Appearance: White crystalline solid or flakes.

Key Features

An important organic chemical raw material, widely used in the plastics, resins, and coatings industries.
Exhibits excellent reactivity, suitable for various chemical reactions.
Soluble in hot water, alcohols, and ethers; slightly soluble in cold water.
Sublimes easily at high temperatures.

Applications

Plastics Industry:

Used in the production of phthalate plasticizers (e.g., DOP, DBP), widely applied in PVC products.

Resin Manufacturing:

Used to synthesize unsaturated polyester resins (UPR), applied in fiberglass, coatings, and composite materials.

Coatings Industry:

As a raw material for alkyd resins, used in the manufacture of paints and coatings.

Dye Intermediates:

Used in the synthesis of dyes and pigments.

Other Applications:

Used in the production of pesticides, pharmaceutical intermediates, and fragrances.

Packing

Bags: 25 kg/bag.

Safety and Handling

Storage: Store in a cool, dry, and well-ventilated area, away from fire sources and oxidizers.
Safety: Avoid direct contact with skin and eyes; wear protective equipment during handling.
Transport: Follow hazardous chemical transportation regulations.

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