134-08-7

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134-08-7 Structure

Identification	Back Directory
[Name] 4-sulphophthalic anhydride
[CAS] 134-08-7
[Synonyms] Nsc 26435 Einecs 205-128-2 4-Sulfophthalic anhydride 4-sulphophthalic anhydride Phthalic anhydride, 4-sulfo- (8ci) 1,3-dioxo-2-benzofuran-5-sulfonicaci 1,3-Dihydro-1,3-dioxo-5-isobenzofuransulfonic acid 5-Isobenzofuransulfonic acid, 1,3-dihydro-1,3-dioxo-
[EINECS(EC#)] 205-128-2
[Molecular Formula] C8H4O6S
[MDL Number] MFCD20134165
[MOL File] 134-08-7.mol
[Molecular Weight] 228.18

Chemical Properties	Back Directory
[density ] 1.820±0.06 g/cm3(Predicted)
[pka] -1.60±0.20(Predicted)
[EPA Substance Registry System] 5-Isobenzofuransulfonic acid, 1,3-dihydro-1,3-dioxo- (134-08-7)

Hazard Information	Back Directory
[Chemical Properties] Reddish-brown syrup. Crystallizes partially on long standing; hygroscopic; fluorescent in solution under UV radiation. Very soluble in water, alcohol; insoluble in ether, benzene. Combustible.
[Uses] 4-sulphophthalic anhydride can be used in wetting, cleansing, emulsifying, softening, and equalizing agents with textiles. Derivatives have application as surface-active agents.

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