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134-08-7 4-sulphophthalic anhydride
Chemical Name 4-sulphophthalic anhydride
Synonyms 5-Isobenzofuransulfonic acid, 1,3-dihydro-1,3-dioxo-;4-Sulfophthalic anhydride;NSC 26435;4-Sulphophthalic anhydride;Phthalic anhydride, 4-sulfo- (8CI);1,3-dioxo-1,3-dihydro-2-benzofuran-5-sulfonic acid
Molecular Formula C8H4O6S
Molecular Weight 228.1788
InChl InChI=1/C8H4O6S/c9-7-5-2-1-4(15(11,12)13)3-6(5)8(10)14-7/h1-3H,(H,11,12,13)
CAS Registry Number 134-08-7
EINECS 205-128-2
Molecular Structure 134-08-7 4-sulphophthalic anhydride
Density 1.82g/cm3
Refractive Index 1.66
MSDS Material Safety Data Sheet

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