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    | product Name | 1,3,3a,4,7,7a-hexahydro-1,3-dioxo-4,7-ethanoisobenzofuran-8-carboxylic acid |  
    | Synonyms | 1,3,3a,4,7,7a-Hexahydro-1,3-dioxo-4,7-ethanoisobenzofuran-8-carboxylic acid; 1,3-dioxo-1,3,3a,4,7,7a-hexahydro-4,7-ethano-2-benzofuran-8-carboxylic acid |  
    | Molecular Formula | C11H10O5 |  
    | Molecular Weight | 222.1941 |  
    | InChI | InChI=1/C11H10O5/c12-9(13)6-3-4-1-2-5(6)8-7(4)10(14)16-11(8)15/h1-2,4-8H,3H2,(H,12,13) |  
    | CAS Registry Number | 6000-06-2 |  
    | EINECS | 227-839-7 |  
    | Molecular Structure |   |  
    | Density | 1.513g/cm3 |  
    | Boiling point | 484.4°C at 760 mmHg |  
    | Refractive index | 1.593 |  
    | Flash point | 198.9°C |  
    | Vapour Pressur | 1.03E-10mmHg at 25°C |  
    | Hazard Symbols |  |  
    | Risk Codes |  |  
    | Safety Description |  |  |