3-Bromobenzene-1-Sulphonamide
3-bromobenzene-1-sulfonamide
CAS: 89599-01-9
Molecular Formula: C6H6BrNO2S
3-Bromobenzene-1-Sulphonamide - Names and Identifiers
3-Bromobenzene-1-Sulphonamide - Physico-chemical Properties
| Molecular Formula | C6H6BrNO2S |
| Molar Mass | 236.09 |
| Density | 1.754±0.06 g/cm3(Predicted) |
| Melting Point | 151-156°C(lit.) |
| Boling Point | 375.8±44.0 °C(Predicted) |
| Appearance | White powder |
| pKa | 9.81±0.60(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| MDL | MFCD00084903 |
3-Bromobenzene-1-Sulphonamide - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S37/39 - Wear suitable gloves and eye/face protection S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| WGK Germany | 3 |
| HS Code | 29350090 |
| Hazard Class | IRRITANT |
3-Bromobenzene-1-Sulphonamide - Reference Information
| introduction | 3-bromobenzene sulfonamide is an important pharmaceutical synthesis intermediate. because its functional group contains halogen and sulfonyl chloride, 3-bromobenzene sulfonamide has strong chemical activity. |
| application | 3-bromobenzenesulfonamide can be used as an intermediate in pharmaceutical synthesis, can be prepared by reacting 3-bromobenzenesulfonyl chloride with ammonia water, and can also be prepared by one-step preparation of m-bromobenzene tetrafluorodiazonium salt. |
| use | 3-bromobenzenesulfonamide is an amine derivative and can be used as a pharmaceutical intermediate. |
| preparation | under nitrogen protection, m-bromobenzene boron tetrafluoride diazonium salt (338.5mg,1.25mmol),NaN3(32.5mg,0.5mmol),PPh3(157.4mg,0.6mmol),Na2S2O5(190.1mg,1.0mmol),TBAB(241.7mg,0.75mmol) and MeCN/H2O = 2/1(1mL) were added to the Schlenk reaction tube. After stirring at 80 ℃ for 12h, the reaction was reduced to room temperature, 10mL of water was added to the system for dilution, ethyl acetate (10mL * 3) was added for extraction, anhydrous sodium sulfate was dried, filtered, concentrated, and column chromatography was separated to obtain white solid 3-bromobenzenesulfonamide. |
Last Update：2024-04-10 22:29:15
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