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1 2 4 Benzenetricarboxylic Trimellitic Anhydride CAS No 552-30-7

Mol No.: 319

Mat No.1000407

Product name: Trimellitic anhydride


Chemical name: 1,2,4-Benzenetricarboxylic Anhydride

CAS No.: 552-30-7

Molecular formula: C9H4O5

Molecular weight: 192.2

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Product Details

Product Specification

Appearance: white flakes.

Melting point: 163-168 0C

Anhydride Content 98% min

Acidity (KOHmg/g) ≥ 870

Physical & Chemical Properties

Melting point 163-166 °C
Boiling point 390 °C
Density 1.54
Vapor density 6.6 (vs air)
Vapor Pressure <0.01 mm Hg (20 °C)
Refractive index 1.4717 (estimate)
Flash point 227 °C
Storage conditions Store below +30°C.
Form Flaky Crystals
Colour White to off-white
PH value 2 (21g/l, H2O, 20℃)
Explosive limit 1-7%(V)
Water solubility DECOMPOSES
Sensitivity Moisture Sensitive
stability Stable. Moisture sensitive.
Solubilty Soluble in hot water, acetone, 2-butanone, dimethylformamide, ethyl acetate, and cyclohexanone. It is soluble in absolute ethanol and reacts.

Main Application

Used to make unsaturated polyester resin, polyimide resin, polyvinyl chloride heat-resistant plasticizer, epoxy resin curing agent, dye, capacitor impregnating oil and adhesive, etc.

Packing & Storage

25kg/bag, 500kg/bag.

Safety Information

Dangerous Goods Sign Xn
Hazard category code 37-41-42/43
safety instructions 22-26-36/37/39
toxicity LD50 orally in Rabbit:> 2730 mg/kg LD50 dermal Rabbit 23000 mg/kg

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