4-Chloro-3-nitrobenzenesulfonic acid
- CAS NO.：121-18-6
- Empirical Formula: C6H4ClNO5S
- Molecular Weight: 237.62
- MDL number: MFCD00274152
- EINECS: 204-452-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:23:02
What is 4-Chloro-3-nitrobenzenesulfonic acid?
Chemical properties
White flaky crystal, easily soluble in water.
The Uses of 4-Chloro-3-nitrobenzenesulfonic acid
4-Chloro-3-nitrobenzenesulfonic acid can be used as dye intermediate.
Synthesis
It is derived from the nitration of p-chlorobenzenesulfonic acid. Add p-chlorobenzenesulfonic acid and 98% sulfuric acid into the reaction pot, cool to 20°C, add 67% nitric acid solution under stirring, react at 40°C for half an hour, salt out, filter, acidify, and filter to obtain the finished product. 4-Chloro-3-nitrobenzenesulfonic acid was synthesized by
Properties of 4-Chloro-3-nitrobenzenesulfonic acid
| Melting point: | 114-115 °C |
| Density | 1.747±0.06 g/cm3(Predicted) |
| storage temp. | Sealed in dry,Room Temperature |
| pka | -1.44±0.50(Predicted) |
| CAS DataBase Reference | 121-18-6(CAS DataBase Reference) |
| EPA Substance Registry System | Benzenesulfonic acid, 4-chloro-3-nitro- (121-18-6) |
Safety information for 4-Chloro-3-nitrobenzenesulfonic acid
Computed Descriptors for 4-Chloro-3-nitrobenzenesulfonic acid
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