ChemicalBook > CAS DataBase List > 4-sulphophthalic anhydride
4-sulphophthalic anhydride
- Product Name
- 4-sulphophthalic anhydride
- CAS No.
- 134-08-7
- Chemical Name
- 4-sulphophthalic anhydride
- 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-
- CBNumber
- CB5897856
- Molecular Formula
- C8H4O6S
- Formula Weight
- 228.18
- MOL File
- 134-08-7.mol
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4-sulphophthalic anhydride Property
- 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)
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4-sulphophthalic anhydride Chemical Properties,Usage,Production
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.
4-sulphophthalic anhydride Preparation Products And Raw materials
Raw materials
Preparation Products
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4-sulphophthalic anhydride Suppliers
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