4-CHLOROSALICYLIC ACID-5-SULFONAMIDE - Names and Identifiers
4-CHLOROSALICYLIC ACID-5-SULFONAMIDE - 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 |
4-CHLOROSALICYLIC ACID-5-SULFONAMIDE - 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 |
4-CHLOROSALICYLIC ACID-5-SULFONAMIDE - 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.
Last Update:2024-04-09 21:01:54