Add 55051
4-Chlorobenzenesulfonamide
CAS: 98-64-6
Molecular Formula: C6H6ClNO2S
Add 55051 - Names and Identifiers
| Name | 4-Chlorobenzenesulfonamide |
| Synonyms | add55051 Add 55051 p-Chlorobenzenesulfamide p-Chlorophenylsulfonamide 4-Chlorophenylsulfonamide 4-Chlorobenzenesulfonamide p-chloro-benzenesulfonamid 4-chloro-benzenesulfonamid 4-Chlorobenzenesulphonamide P-chlorobenzene sulfonamide Benzenesulfonamide, p-chloro- |
| CAS | 98-64-6 |
| EINECS | 202-689-5 |
| InChI | InChI=1/C6H6ClNO2S/c7-5-1-3-6(4-2-5)11(8,9)10/h1-4H,(H2,8,9,10) |
Add 55051 - Physico-chemical Properties
| Molecular Formula | C6H6ClNO2S |
| Molar Mass | 191.64 |
| Density | 1.408 (estimate) |
| Melting Point | 140-144 °C (lit.) |
| Boling Point | 342.2±44.0 °C(Predicted) |
| Flash Point | 160.8°C |
| Water Solubility | 1.322g/L(15 ºC) |
| Solubility | DMSO (Slightly), Methanol (Slightly) |
| Vapor Presure | 7.63E-05mmHg at 25°C |
| Appearance | Powder |
| Color | White |
| BRN | 1308891 |
| pKa | 9.89±0.10(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.6000 (estimate) |
| MDL | MFCD00007936 |
| Physical and Chemical Properties | Melting point 144-148°C |
| Use | Used as an intermediate of p-chlorobenzenesulfonyl hydrazide in medicine |
Add 55051 - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 2 |
| RTECS | DB1400000 |
| HS Code | 29350090 |
Add 55051 - Reference Information
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | pharmaceutical intermediates. used as an intermediate of p-chlorobenzenesulfonyl hydrazide in medicine |
| production method | sodium p-chlorobenzene sulfonate is obtained by chlorosulfonation and amination. In chlorobenzene sulfonic acid sodium salt was added in chlorosulfonic acid, at 40-42 deg C for 0.5h, at 60 deg C for 3h. It is then cooled to room temperature and added dropwise to ice water, filtered at 15 °c or below, and washed to a pH of 5.5-6 to give P-chlorobenzenesulfonyl chloride. This was added to ammonia water at 10 °c or lower. The reaction mixture was incubated at 40-42 °c for 2H, cooled, crystallized, filtered and washed to give P-chlorobenzene sulfonamide. The yield was 75%. |
| category | pesticide |
| toxicity grade | poisoning |
| Acute toxicity | oral-rat LDL0: 500 mg/kg; Oral-mouse LD50: 2700 mg/kg |
| flammability hazard characteristics | toxic nitrogen oxides, sulfur oxides, chloride fumes emitted by thermal decomposition |
| storage and transportation characteristics | low temperature ventilation and drying |
| fire extinguishing agent | water, carbon dioxide, foam, dry powder |
Last Update：2024-04-09 21:11:58
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Add 55051
Β-羟基丁酸,DL-3-羟基丁酸
PHENYLDIMETHYLCHLOROGERMANE
D-HYDROOROTIC ACIDStructure
2-[(Z)-(2-CHLORO-6-FLUOROPHENYL)METHYLIDENE]-1-AZABICYCLO[2.2.2]OCT-3-YL N-PHENYLCARBAMATE
3,4-DIAMINO ANISOLE
(2-甲基苄基)三苯基氯化膦
邻氯苯基丙酮(2-氯苯丙酮)
Β-羟基丁酸,DL-3-羟基丁酸
PHENYLDIMETHYLCHLOROGERMANE
D-HYDROOROTIC ACIDStructure
2-[(Z)-(2-CHLORO-6-FLUOROPHENYL)METHYLIDENE]-1-AZABICYCLO[2.2.2]OCT-3-YL N-PHENYLCARBAMATE
3,4-DIAMINO ANISOLE
(2-甲基苄基)三苯基氯化膦
邻氯苯基丙酮(2-氯苯丙酮)