Bisphenol & Other Chemicals
Bisphenol & Other Chemicals
p-Aminobenzene sulfonic acid (Sulfanilic acid) is used in the production of azo dyes, optical brighteners, and sulfonamide drugs. Appearance: White powder.\n\nKey intermediate in dye manufacturing, pharmaceutical synthesis, and analytical chemistry.
| CAS Number | 121-57-3 |
| Molecular Formula | C6H7NO3S |
| Molecular Weight | 173.190 |
| Appearance | White powder |
| Melting Point | >300°C |
| Boiling Point | 500°C |
| Density | 1.5 ± 0.1 g/cm³ |
| Application | Azo dyes, optical brighteners, sulfonamide drugs |
Key monomer for liquid crystal polymers and polycarbonates. CAS 92-88-6.
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Methylated biphenol monomer for specialty polymers. CAS 612-84-0.
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Tetramethyl biphenol for high-temperature polymers. CAS 2417-04-1.
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