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Trimellitic anhydride

Trimesic acid

Trimesoyl chloride

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	Main products: Trimellitic Anhydride (TMA). 1,3,5-Benzenetricarboxylic Acid. 1,3,5-Benzenetricarboxylic Acid Chloride.

1,2,4-Benzenetricarboxylic anhydride

Product Photo:

Formal name:

Trimellitic anhydride，TMA

CAS NO.:

552-30-7

EINECS NO.:

209-008-0

Molecular Formula:

C₉H₄O₅

Molecular Weight:

192.12

Structural Formula:

Main Use:

Trimellitic Anhydride (TMA) is mainly used for producing polyester resin, polyimide resin, water soluble alkyd resin, water soluble polyurethane resin, water soluble amino-alkyd resin, plasticizer（TOTM）, curing agent for epoxy resin, aeroengine oil, electric capacitor maceration oil, binder,sizing agent，somoke suppressor, instant binder,etc..

Technical Indexes:

Project	Index
Project	Superior products	Qualified products
Appearance	White or slightly colored sheet-like solid
Trimellitic anhydride，w/％	≥96.5	≥95.0
Phthalic anhydride，w/％	≤0.05	≤0.10
Acid value (KOH)/（mg/g）	≥873	≥865
Melt chromaticity/Hazen	≤130	≤150

Packing:

25kgs in composite bags, or 500/1000kgs in woven bags.