benzenesulphinicacid
benzenesulphinic acid
CAS: 618-41-7
Molecular Formula: C6H6O2S
benzenesulphinicacid - Names and Identifiers
| Name | benzenesulphinic acid |
| Synonyms | Benzolsulfinsure Phenylsulfinic acid benzenesulphinicacid Benzenesulfinic acid BENZENESULFINIC ACID Benzene sulfinic acid benzenesulphinic acid SODIUMBENZENESULPHINICACID |
| CAS | 618-41-7 |
| EINECS | 210-548-4 |
| InChI | InChI=1/C6H6O2S/c7-9(8)6-4-2-1-3-5-6/h1-5H,(H,7,8) |
benzenesulphinicacid - Physico-chemical Properties
| Molecular Formula | C6H6O2S |
| Molar Mass | 142.18 |
| Density | 1.365 (estimate) |
| Melting Point | 84°C |
| Boling Point | 111.5°C (estimate) |
| Flash Point | 159.1°C |
| Vapor Presure | 3.58E-05mmHg at 25°C |
| Appearance | solid |
| pKa | 1.3(at 20℃) |
| Storage Condition | under inert gas (nitrogen or Argon) at 2-8°C |
| Refractive Index | 1.5300 (estimate) |
benzenesulphinicacid - Introduction
benzenesulphinic acid(benzenesulphinic acid) is an organic compound with the chemical formula C6H6O2S. It is a colorless crystalline solid, soluble in water and most organic solvents.
The main uses of benzenesulphinic acid are as follows:
1. Used as a reducing agent and oxidant in organic synthesis.
2. used as dyes, pigments and pharmaceutical intermediates.
3. for the preparation of preservatives, catalysts and surfactants.
4. in chemical analysis, can be used as extractant and separation agent.
5. In some industrial fields, such as cellulose industry, it can be used for bleaching and dye removal.
The preparation method of benzenesulphinic acid can be obtained by the reaction of sulfuric acid and benzene sulfonyl chloride. The specific preparation method is as follows: Benzenesulfonyl chloride is added to cooled concentrated sulfuric acid while stirring, and the temperature is increased after the reaction. At the end of the reaction, cooled water is added and the product crystallizes benzenesulphinic acid.
Regarding the security information of benzenesulphinic acid, you need to pay attention to the following points:
1. benzenesulphinic acid irritation, avoid contact with skin and eyes.
2. when using benzenesulphinic acid, wear protective gloves, goggles and protective clothing.
3. When dealing with benzenesulphinic acid, it should be operated in a well-ventilated place to avoid inhaling its vapor.
4. If you accidentally come into contact with benzenesulphinic acid, immediately rinse the affected area with plenty of water and seek medical help.
The main uses of benzenesulphinic acid are as follows:
1. Used as a reducing agent and oxidant in organic synthesis.
2. used as dyes, pigments and pharmaceutical intermediates.
3. for the preparation of preservatives, catalysts and surfactants.
4. in chemical analysis, can be used as extractant and separation agent.
5. In some industrial fields, such as cellulose industry, it can be used for bleaching and dye removal.
The preparation method of benzenesulphinic acid can be obtained by the reaction of sulfuric acid and benzene sulfonyl chloride. The specific preparation method is as follows: Benzenesulfonyl chloride is added to cooled concentrated sulfuric acid while stirring, and the temperature is increased after the reaction. At the end of the reaction, cooled water is added and the product crystallizes benzenesulphinic acid.
Regarding the security information of benzenesulphinic acid, you need to pay attention to the following points:
1. benzenesulphinic acid irritation, avoid contact with skin and eyes.
2. when using benzenesulphinic acid, wear protective gloves, goggles and protective clothing.
3. When dealing with benzenesulphinic acid, it should be operated in a well-ventilated place to avoid inhaling its vapor.
4. If you accidentally come into contact with benzenesulphinic acid, immediately rinse the affected area with plenty of water and seek medical help.
Last Update：2024-04-09 19:05:51
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