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Trimellitic Anhydride

Trimellitic Anhydride is a white crystalline solid widely used in various industries. It serves as a crucial monomer in the production of polyester and polyimide resins, offering exceptional heat resistance and electrical insulation properties. Additionally, it acts as a curing agent for epoxy resins and a flame retardant in plastics. Its cross-linking abilities make it valuable in coatings, adhesives, and sealants, ensuring improved durability and performance. Trimellitic anhydride’s versatile applications make it an essential component in numerous industrial processes.

Chemical Formula:

C9H4O5

CAS Number:

552-30-7

Synonyms:

1,2,4-Benzenetricarboxylic anhydride, 1,2,4-Trimellitic anhydride, TMA, TMAH, TMA anhydride, Anhydride TMA, Anhydride of trimellitic acid.

Characteristics

Molar Weight

192.13 (g/mol).

Melting Point

165-172 degrees Celsius (329-342 degrees Fahrenheit).

Boiling Point

Solubility

Low solubility in water, but soluble in organic solvents like acetone and benzene.

Density

1.5 grams per cubic centimeter (g/cm³).

Forms

solid powder or crystalline form.

Odor

USES AND APPLICATIONS

Key applications

Polyester resin production
Polyimide resin production
Curing agent for epoxy resins
Flame retardant in plastics
Cross-linking agent in coatings, adhesives, and sealants

Industries

Automotive industry
Electrical and electronics industry
Construction industry
Coatings and paints industry
Adhesives and sealants industry
Plastics industry
Textile industry
Aerospace industry
Chemical manufacturing industry
Polymer industry

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