Trimellitic anhydride (TMA) CAS 552-30-7, scientific name 1,2,4-phenylenetricarboxylic anhydride, also known as metaphthalic anhydride. The molecular formula is C9H4O5. The appearance is white flake. Melting point 168 ℃, boiling point 390 ℃, soluble in hot water and acetone, 2-J ketone, dimethylformamide, ethyl acetate, and cyclohexanone. Dissolve in anhydrous ethanol and undergo reaction, slightly soluble in carbon tetrachloride and toluene.
Technical indicators
Appearance: White or slightly yellow flakes or powder
Color code (platinum cobalt colorimeter): ≤ 150#
Anhydride content: ≥ 95%
Boiling point: 470.6 ° C at 760 mmHg
Melting point: ≥ 164-169 ℃
Flash point: 201.3 ° C
Acid value: ≥ 865 mg (KOH)/g
Application
Used to manufacture polyester resin and polyimide resin, water-soluble polyester resin, water-soluble polyurethane resin, plasticizer and water-soluble amino alkyd Resin, epoxy resin curing agent, as well as advanced aviation lubricants, power capacitor impregnation oil, granular binder, sizing agent, smoke suppressant, instant adhesive Binder and TOTM, etc.
Product packaging
25kg, 500kg/composite bag (according to customer requirements)
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