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Cat Number: CHE552307

TRIMELLITIC ANHYDRIDE (TMA)

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APIs
CAS Number
552-30-7
Synonyms
1,2,4-Benzenetricarboxylic anhydride
1,3-Dioxo-1,3-dihydroisobenzofuran-5-carboxylic acid
Anhydrotrimellic acid
Description
It has a role as an epitope, an allergen and a hapten. It is a cyclic dicarboxylic anhydride, a dioxo monocarboxylic acid and a member of 2-benzofurans. It is functionally related to a phthalic anhydride and a trimellitic acid.
Molecular Weight
192.12
Molecular Formula
C9H4O5
EINECS
209-008-0
SMILES
C1=CC2=C(C=C1C(=O)O)C(=O)OC2=O
Appearance
Crystals or off-white flakes
Boiling Point
390 ℃
Density, g/cm3
1.55 at 68 °F
Melting Point
161-163.5 ℃
Flash Point
227 ℃ o.c.
Vapour Pressure
0.00000986 [mmHg]
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