14556-98-0
4-chloro-5-sulphamoylsalicylic acid
CAS: 14556-98-0
Molecular Formula: C7H6ClNO5S
14556-98-0 - Names and Identifiers
| Name | 4-chloro-5-sulphamoylsalicylic acid |
| Synonyms | TIMTEC-BB SBB003139 4-Chlorosalicylic acid-5-sulfamide 4-CHLORO-5-SULFAMOYL SALICYLIC ACID 4-chloro-5-sulphamoylsalicylic acid 4-chloro-5-sulfamoyl salicylic acid 4-CHLOROSALICYLIC ACID-5-SULFONAMIDE 4-CHLORO-2-HYDROXY-5-SULFAMOYLBENZOIC ACID 4-chloro-2-hydroxy-5-sulfamoylbenzoic acid 4-chloro-2-hydroxy-5-(sulfamoylamino)benzoic acid |
| CAS | 14556-98-0 |
| EINECS | 238-602-2 |
| InChI | InChI=1/C7H6ClNO5S/c8-4-2-5(10)3(7(11)12)1-6(4)15(9,13)14/h1-2,10H,(H,11,12)(H2,9,13,14) |
14556-98-0 - Physico-chemical Properties
| Molecular Formula | C7H6ClNO5S |
| Molar Mass | 251.64 |
| Density | 1.780±0.06 g/cm3(Predicted) |
| Melting Point | 251-256 °C (dec.) (lit.) |
| Boling Point | 528.4±60.0 °C(Predicted) |
| Flash Point | 273.3°C |
| Solubility | DMSO (Slightly), Methanol (Slightly) |
| Vapor Presure | 5.42E-12mmHg at 25°C |
| Appearance | White solid |
| Color | White to Off-White |
| pKa | 2.01±0.10(Predicted) |
| Storage Condition | Sealed in dry,2-8°C |
| Refractive Index | 1.654 |
| MDL | MFCD00988990 |
14556-98-0 - 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. |
| WGK Germany | 3 |
14556-98-0 - Introduction
acid (4-CSA) is an organic compound with the following properties:
1. Appearance: 4-CSA is white crystalline powder.
2. Solubility: 4-CSA can be partially dissolved in water, and can be well dissolved in organic solvents (such as ethanol, dichloromethane, etc.).
3. Chemical properties: 4-CSA is stable to alkalis, acids and oxidants, but it will decompose at high temperatures.
4. Uses: 4-CSA is an important drug intermediate with a wide range of applications. It is often used in the synthesis of antibacterial drugs, fungicides, dyes and other chemicals.
5. Preparation method: preparation of 4-CSA usually use salicylic acid and chlorosulfonic acid reaction method. First, salicylic acid is dissolved in a suitable solvent at a suitable temperature, and then chlorosulfonic acid is gradually added. After completion of the reaction, the product obtained can be purified by Crystal separation and dried.
6. Safety Information: when using and operating 4-CSA, you need to pay attention to the following safety matters:
- 4-CSA is an irritant, avoid direct contact with skin and eyes.
-Avoid inhaling 4-CSA dust or gas, and ensure that the operation is carried out in a well-ventilated place.
-Use protective gloves and goggles, wash hands promptly after operation, and keep the work area clean.
-When storing 4-CSA, it should be placed in a dry and cool place, away from fire and flammable materials.
-In case of skin contact or ingestion, rinse immediately with plenty of water and seek medical help.
1. Appearance: 4-CSA is white crystalline powder.
2. Solubility: 4-CSA can be partially dissolved in water, and can be well dissolved in organic solvents (such as ethanol, dichloromethane, etc.).
3. Chemical properties: 4-CSA is stable to alkalis, acids and oxidants, but it will decompose at high temperatures.
4. Uses: 4-CSA is an important drug intermediate with a wide range of applications. It is often used in the synthesis of antibacterial drugs, fungicides, dyes and other chemicals.
5. Preparation method: preparation of 4-CSA usually use salicylic acid and chlorosulfonic acid reaction method. First, salicylic acid is dissolved in a suitable solvent at a suitable temperature, and then chlorosulfonic acid is gradually added. After completion of the reaction, the product obtained can be purified by Crystal separation and dried.
6. Safety Information: when using and operating 4-CSA, you need to pay attention to the following safety matters:
- 4-CSA is an irritant, avoid direct contact with skin and eyes.
-Avoid inhaling 4-CSA dust or gas, and ensure that the operation is carried out in a well-ventilated place.
-Use protective gloves and goggles, wash hands promptly after operation, and keep the work area clean.
-When storing 4-CSA, it should be placed in a dry and cool place, away from fire and flammable materials.
-In case of skin contact or ingestion, rinse immediately with plenty of water and seek medical help.
Last Update：2024-04-09 21:01:54
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