Anhui Taida New Materials Co., Ltd.--1,2,4-Benzenetricarboxylic anhydride|552-30-7

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Taida New Materials

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 widely used in the production of TOTM (Trioctyl Trimellitate) for plasticizers, polyester resins for powder coatings, polyamide-imide resins for insulating varnishes (enamel wire coatings), water-soluble alkyd resin coatings, and epoxy resin curing agents.

Technical Indexes

Specifications	Grade
Specifications	Premium Grade	High-Quality Grade	Qualified Grade
Appearance	White flaky solid	White or slightly colored flaky solid	White or slightly colored flaky solid
Trimellitic Anhydride(w%)	≥97	≥96.5	≥96
Anhydride Content(w%)	≥98.5	≥98.5	≥98
Phthalic Acid(w%)	≤0.03	≤0.05	≤0.1
Acid Value/(mgKOH/g)	≥873	≥873	≥870
Molten Color / Hazen Unit (Pt-Co Scale)	≤110	≤120	≤150

Packing

25 kg plastic-lined composite bags, or 500 kg and 1,000 kg plastic-lined woven bags.

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Main Products: 1,2,4-Benzenetricarboxylic anhydride, 1,3,5-Benzenetricarboxylic acid, 1,3,5-Benzenetricarboxylic acid chloride

Taida New Materials