5-Chloro-thiophene-2-sulfonic acid amide
5-Chlorothiophene-2-sulfonamide
CAS: 53595-66-7
Molecular Formula: C4H4ClNO2S2
5-Chloro-thiophene-2-sulfonic acid amide - Names and Identifiers
5-Chloro-thiophene-2-sulfonic acid amide - Physico-chemical Properties
| Molecular Formula | C4H4ClNO2S2 |
| Molar Mass | 197.66 |
| Density | 1.649±0.06 g/cm3(Predicted) |
| Melting Point | 113-117°C(lit.) |
| Boling Point | 366.3±52.0 °C(Predicted) |
| Flash Point | 175.3°C |
| Vapor Presure | 1.48E-05mmHg at 25°C |
| Appearance | Bright yellow crystalline powder |
| pKa | 9.75±0.60(Predicted) |
| Storage Condition | under inert gas (nitrogen or Argon) at 2–8 °C |
| Refractive Index | 1.621 |
| MDL | MFCD00052584 |
| Physical and Chemical Properties | Melting point 113-117°C |
5-Chloro-thiophene-2-sulfonic acid amide - 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. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S37/39 - Wear suitable gloves and eye/face protection |
| WGK Germany | 3 |
| RTECS | XN0296000 |
| HS Code | 29350090 |
| Hazard Class | IRRITANT |
5-Chloro-thiophene-2-sulfonic acid amide - Introduction
It is an organic compound with the following properties:
1. Appearance: White crystalline solid.
2. Solubility: The compound is soluble in some organic solvents, such as dimethyl sulfoxide (DMSO) and chloroform, but not easily soluble in water.
3. Chemical properties: it is a compound containing thiophene ring and sulfonamide functional group. It can be used as an amide reagent and can act as a specific reaction participant or catalyst in chemical synthesis.
4. Use: It has certain application value in the medical field and can be used to synthesize drugs and biologically active molecules.
5. Preparation method: The common method is to react 2-chlorothiophene with sulfinyl chloride to obtain 2-chlorothiophene -5-sulfonyl chloride, and then react with amines to prepare pyridine.
6. safety information: the relevant safety information is not clearly reported. When handling this compound, take appropriate precautions, avoid contact with skin and eyes, and avoid inhalation or ingestion. During use and storage, please refer to the relevant chemical safety technical instructions and strictly follow the local safety operation guidelines.
1. Appearance: White crystalline solid.
2. Solubility: The compound is soluble in some organic solvents, such as dimethyl sulfoxide (DMSO) and chloroform, but not easily soluble in water.
3. Chemical properties: it is a compound containing thiophene ring and sulfonamide functional group. It can be used as an amide reagent and can act as a specific reaction participant or catalyst in chemical synthesis.
4. Use: It has certain application value in the medical field and can be used to synthesize drugs and biologically active molecules.
5. Preparation method: The common method is to react 2-chlorothiophene with sulfinyl chloride to obtain 2-chlorothiophene -5-sulfonyl chloride, and then react with amines to prepare pyridine.
6. safety information: the relevant safety information is not clearly reported. When handling this compound, take appropriate precautions, avoid contact with skin and eyes, and avoid inhalation or ingestion. During use and storage, please refer to the relevant chemical safety technical instructions and strictly follow the local safety operation guidelines.
Last Update：2024-04-09 18:58:34
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