Trimellitic anhydride 97%

Trimellitic anhydride is a 2-benzofuran compound having oxo groups at the 1-
and 3-positions and a carboxy substituent at the 5-position; the cyclic
anhydride formed from the carboxy groups at the 1- and 2-positions of
trimellitic acid. 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.
Specification:
Appearance White Flakes
Content 97%MIN
Purity（Acid and Anhydride） 99.5%MIN
Melting Point 164℃
Color（PT-CO） 150 #MAX
PA and orthophthlic acid content 0.05MAX

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