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Trimellitic Anhydride

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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