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Trimellitic Anhydride

Trimellitic Anhydride / CAS : 552-30-7

Appearance White to grayish white UN -
HS 29173990 DG Class -
Synonyms 1,2,4-Benzenetricarboxylic Anhydride; Anhydrosepedonin; TMA; 1,3-Dihydro-1,3-Dioxo-5-Isobenzofurancarboxylic Acid; 1,3-Dioxo-1,3-Dihydro-Isobenzofuran-5-Carboxylic Acid; 5-Isobenzofurancarboxylic Acid, 1,3-Dihydro-1,3-Dioxo-; Anhydrotrimellitic Acid; 4-Carboxyphthalic Anhydride
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Properties

Summary

Formula
C9H4O5
Molecular Mass
192.12500
Exact Mass
192.00600
PSA
80.67000
Logp
0.69540
IUPAC
1,3-dioxo-2-benzofuran-5-carboxylic acid
SMILES
C1=CC2=C(C=C1C(=O)O)C(=O)OC2=O

Attribute classification

Matter Classification
organic
Category
Dyestuffs and Pigments > Intermediates
Coating(Resin) > Epoxy Paint
Coating(Resin) > Polyester Paint

Chemical and Physical Properties

Melting Point
163-166 °C
Density
1.54
Boiling Point
390 °C
Flash Point
227 °C
Appearance
White to grayish white
Acidity and Basicity
acidness

Export information

HS Code
29173990
Export Rebate
13%
Risk Code
R37-41-42/43
Safety Label
Xn

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