2-NITRO-1-CHLOROBENZENE-4-SULFONIC ACID
4-Chloro-3-Nitrobenzenesulfonic Acid
CAS: 121-18-6
Molecular Formula: C6H4ClNO5S
2-NITRO-1-CHLOROBENZENE-4-SULFONIC ACID - Names and Identifiers
| Name | 4-Chloro-3-Nitrobenzenesulfonic Acid |
| Synonyms | 4-Chloro-3-Nitrobenzenesulfonic Acid 4-CHLORO-3-NITROBENZENESULFONIC ACID o-Nitrochlorobenzene-p-sulfonic acid 2-Nitrochlorobenzene-4-sulfonic acid 4-Chloro-5-nitrobenzenesulfonic acid 3-Nitro-4-chlorobenzenesulfonic acid Benzenesulfonicacid,4-chloro-3-nitro- 4-chloro-3-nitrobenzenesulphonic acid 2-NITRO-1-CHLOROBENZENE-4-SULFONIC ACID 4 CHILORO 3 NITRO BENZENE SULPHONIC ACID |
| CAS | 121-18-6 |
| EINECS | 204-452-1 |
| InChI | InChI=1/C6H4ClNO5S/c7-5-2-1-4(14(11,12)13)3-6(5)8(9)10/h1-3H,(H,11,12,13) |
2-NITRO-1-CHLOROBENZENE-4-SULFONIC ACID - Physico-chemical Properties
| Molecular Formula | C6H4ClNO5S |
| Molar Mass | 237.62 |
| Density | 1.747±0.06 g/cm3(Predicted) |
| Melting Point | 114-115 °C |
| pKa | -1.44±0.50(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.623 |
| Physical and Chemical Properties | White Flake Crystal, easily soluble in water. |
| Use | Used as a dye intermediate |
2-NITRO-1-CHLOROBENZENE-4-SULFONIC ACID - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| Use | Used as dye intermediate |
| production method | obtained by nitration of p-chlorobenzenesulfonic acid. Add p-chlorobenzenesulfonic acid and 98% sulfuric acid to the reaction pot, cool to 20 ℃, add 67% nitric acid solution under stirring, and react at 40 ℃ for half an hour, salting out, filtering, acidification, and filtering to obtain the finished product. |
Last Update：2024-04-09 02:00:06
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