CAS No: 129-64-6;826-62-0, Chemical Name: 3aalpha,4,7,7aalpha-Tetrahydro-4alpha,7alpha-methanoisobenzofuran-1,3-d one
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129-64-6;826-62-0 3aalpha,4,7,7aalpha-Tetrahydro-4alpha,7alpha-methanoisobenzofuran-1,3-d one

product Name 3aalpha,4,7,7aalpha-Tetrahydro-4alpha,7alpha-methanoisobenzofuran-1,3-d one
Synonyms 5-Norbornene-2,3-dicarboxylic Anhydride; Carbic anhydride; Himic anhydride; Nadic anhydride; Bicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic anhydride; NBDA
Molecular Formula C9H8O3
Molecular Weight 164.158
InChI InChI=1/C9H8O3/c10-8-6-4-1-2-5(3-4)7(6)9(11)12-8/h1-2,4-7H,3H2/t4-,5+,6?,7?
CAS Registry Number 129-64-6;826-62-0
EINECS 204-957-7
Molecular Structure 129-64-6;826-62-0 3aalpha,4,7,7aalpha-Tetrahydro-4alpha,7alpha-methanoisobenzofuran-1,3-d one
Density 1.406g/cm3
Melting point 162-165℃
Boiling point 331.056°C at 760 mmHg
Refractive index 1.584
Flash point 163.801°C
Water solubility DECOMPOSES
Vapour Pressur 0mmHg at 25°C
Hazard Symbols  Xn:Harmful;
Risk Codes R41:;
R42/43:;
Safety Description S22:;
S24:;
S26:;
S37/39:;