1,2-Benzenedithiol
benzene-1,2-dithiol
CAS: 17534-15-5
Molecular Formula: C6H6S2
1,2-Benzenedithiol - Names and Identifiers
| Name | benzene-1,2-dithiol |
| Synonyms | DITHIOCATECHOL BENZOL-1,2-DITHIOL 1,2-Benzenedithiol 1,2-BENZENEDITHIOL Benzene-1,2-dithiol 1,2-Benzenebisthiol BENZENE-1,2-DITHIOL benzene-1,2-dithiol 1,2-DIMERCAPTOBENZOL 1,2-DIMERCAPTOBENZENE 1,2-Benzenedithiol(9CI) benzene-1,2-bis(thiolate) |
| CAS | 17534-15-5 |
| EINECS | 241-530-4 |
| InChI | InChI=1/C6H6S2/c7-5-3-1-2-4-6(5)8/h1-4,7-8H/p-2 |
1,2-Benzenedithiol - Physico-chemical Properties
| Molecular Formula | C6H6S2 |
| Molar Mass | 142.24 |
| Density | 1.236g/mLat 25°C(lit.) |
| Melting Point | 22-24°C(lit.) |
| Boling Point | 119-120°C17mm Hg(lit.) |
| Flash Point | 219°F |
| Water Solubility | Soluble in water, benzene, ethanol, diethyl ether, ethyl acetate. |
| Solubility | water: slightly soluble |
| Vapor Presure | 0.0624mmHg at 25°C |
| Appearance | Liquid After Melting |
| Specific Gravity | 1.236 |
| Color | Clear light yellow |
| BRN | 636154 |
| pKa | 5.90±0.43(Predicted) |
| Storage Condition | 2-8°C |
| Sensitive | Air Sensitive |
| Refractive Index | 1.6565-1.6585 |
| MDL | MFCD00004835 |
1,2-Benzenedithiol - 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. |
| UN IDs | 2810 |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 10-13-23 |
| HS Code | 29309099 |
| Hazard Class | 9 |
| Packing Group | III |
1,2-Benzenedithiol - Introduction
benzene-1,2-dithiol (also known as 1,2-benzenethiol) is an organic compound with the chemical formula C6H6S2. The following is a description of some important Properties, Uses, methods and safety information about benzene-1,2-dithiol:
Nature:
- benzene-1,2-dithiol is a colorless to pale yellow liquid with a strong foul odor.
-It is flammable and can spontaneously combust in air.
-It is soluble in organic solvents such as ethanol, ether and dichloromethane.
-Rarely dissolved in water.
Use:
- benzene-1,2-dithiol is mainly used as a catalyst, reducing agent and ligand in organic synthesis.
-It can be used to synthesize precursors of metal organic compounds, such as iron disulfide.
-In the field of medicine, benzene-1,2-dithiol also has some applications, such as the synthesis of anti-cancer drugs.
Method:
- benzene-1,2-dithiol can be prepared by the reaction of thiophenol and sulfuric acid. Firstly, thiophenol was oxidized to catechol, then sulfuric acid was added for sulfuric acid esterification, and finally benzene-1,2-dithiol was obtained by hydrolysis.
Safety Information:
- benzene-1,2-dithiol is irritating and corrosive and may cause irritation to the eyes, skin and respiratory tract.
-It is a strong sensitizer and may cause allergic reactions.
-When using benzene-1,2-dithiol, be careful to avoid inhalation, contact with skin, eyes or clothing, and maintain good ventilation.
-When handling benzene-1,2-dithiol, wear protective gloves and goggles to avoid mixing with other chemicals.
-Dispose of waste and residues properly and comply with local regulations.
Nature:
- benzene-1,2-dithiol is a colorless to pale yellow liquid with a strong foul odor.
-It is flammable and can spontaneously combust in air.
-It is soluble in organic solvents such as ethanol, ether and dichloromethane.
-Rarely dissolved in water.
Use:
- benzene-1,2-dithiol is mainly used as a catalyst, reducing agent and ligand in organic synthesis.
-It can be used to synthesize precursors of metal organic compounds, such as iron disulfide.
-In the field of medicine, benzene-1,2-dithiol also has some applications, such as the synthesis of anti-cancer drugs.
Method:
- benzene-1,2-dithiol can be prepared by the reaction of thiophenol and sulfuric acid. Firstly, thiophenol was oxidized to catechol, then sulfuric acid was added for sulfuric acid esterification, and finally benzene-1,2-dithiol was obtained by hydrolysis.
Safety Information:
- benzene-1,2-dithiol is irritating and corrosive and may cause irritation to the eyes, skin and respiratory tract.
-It is a strong sensitizer and may cause allergic reactions.
-When using benzene-1,2-dithiol, be careful to avoid inhalation, contact with skin, eyes or clothing, and maintain good ventilation.
-When handling benzene-1,2-dithiol, wear protective gloves and goggles to avoid mixing with other chemicals.
-Dispose of waste and residues properly and comply with local regulations.
Last Update：2024-04-09 21:01:54
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