552-30-7 1,2,4-Benzenetricarboxylic anhydride
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cas

552-30-7 1,2,4-Benzenetricarboxylic anhydride

product Name 1,2,4-Benzenetricarboxylic anhydride
Synonyms Trimellitic anhydride; 4-Carboxyphthalic anhydride; 1,3-dioxo-1,3-dihydro-2-benzofuran-5-carboxylic acid
Molecular Formula C9H4O5
Molecular Weight 192.1251
InChI InChI=1/C9H4O5/c10-7(11)4-1-2-5-6(3-4)9(13)14-8(5)12/h1-3H,(H,10,11)
CAS Registry Number 552-30-7
EINECS 209-008-0
Molecular Structure 552-30-7 1,2,4-Benzenetricarboxylic anhydride
Density 1.669g/cm3
Melting point 164-169℃
Boiling point 470.6°C at 760 mmHg
Refractive index 1.662
Flash point 201.3°C
Water solubility DECOMPOSES
Vapour Pressur 1.17E-09mmHg at 25°C
Hazard Symbols  Xn:Harmful;
Risk Codes R37:;
R41:;
R42/43:;
Safety Description S22:;
S26:;
S36/37/39:;
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