2,7-Dichlorobenzothiazole
2,7-Dichlorobenzothiazole
CAS: 2942-23-6
Molecular Formula: C7H3Cl2NS
2,7-Dichlorobenzothiazole - Names and Identifiers
2,7-Dichlorobenzothiazole - Physico-chemical Properties
| Molecular Formula | C7H3Cl2NS |
| Molar Mass | 204.08 |
| Density | 1.567±0.06 g/cm3(Predicted) |
| Boling Point | 286.8±13.0 °C(Predicted) |
| pKa | -1.49±0.30(Predicted) |
| Storage Condition | under inert gas (nitrogen or Argon) at 2-8°C |
2,7-Dichlorobenzothiazole - Risk and Safety
| HS Code | 29342000 |
2,7-Dichlorobenzothiazole - Introduction
2,7-Dichlorobenzothiazole(2,7-Dichlorobenzothiazole) is an organic compound with the chemical formula C7H3Cl2NS. The following is a description of its nature, use, preparation and safety information:
Nature:
-Appearance: 2,7-Dichlorobenzothiazole is a white crystalline solid.
-Solubility: It is more soluble in organic solvents (such as ethanol, acetone and dichloromethane), insoluble in water.
-Melting point: Its melting point is about 141-145 degrees Celsius.
Use:
-Rubber accelerator: 2,7-Dichlorobenzothiazole can be used as an important rubber accelerator, which can promote the vulcanization reaction, increase the vulcanization speed of rubber and improve the vulcanization performance.
-Fungicide: It can also be used as a fungicide in textiles, coatings and adhesives to inhibit the growth of molds and fungi.
Preparation Method:
The preparation method of 2,7-Dichlorobenzothiazole mainly includes the following steps:
1. Benzothiazole-2-sulfuric acid is used as raw material to obtain 2,-sulfuric acid by reacting with chlorine.
2. React 2,-sulfuric acid with caustic soda to desulfurize it to generate 2,7-Dichlorobenzothiazole.
Safety Information:
- 2,7-Dichlorobenzothiazole is irritating to the eyes, skin and respiratory tract and may cause eye and skin damage.
-Avoid inhalation of dust or contact with skin and eyes, and wear protective gloves, goggles and masks when necessary.
-In case of accidental contact, immediately flush the affected area with plenty of water and seek medical help.
-Avoid contact with organics and strong oxidants during storage and handling.
-Waste should be disposed of in accordance with local regulations.
Nature:
-Appearance: 2,7-Dichlorobenzothiazole is a white crystalline solid.
-Solubility: It is more soluble in organic solvents (such as ethanol, acetone and dichloromethane), insoluble in water.
-Melting point: Its melting point is about 141-145 degrees Celsius.
Use:
-Rubber accelerator: 2,7-Dichlorobenzothiazole can be used as an important rubber accelerator, which can promote the vulcanization reaction, increase the vulcanization speed of rubber and improve the vulcanization performance.
-Fungicide: It can also be used as a fungicide in textiles, coatings and adhesives to inhibit the growth of molds and fungi.
Preparation Method:
The preparation method of 2,7-Dichlorobenzothiazole mainly includes the following steps:
1. Benzothiazole-2-sulfuric acid is used as raw material to obtain 2,-sulfuric acid by reacting with chlorine.
2. React 2,-sulfuric acid with caustic soda to desulfurize it to generate 2,7-Dichlorobenzothiazole.
Safety Information:
- 2,7-Dichlorobenzothiazole is irritating to the eyes, skin and respiratory tract and may cause eye and skin damage.
-Avoid inhalation of dust or contact with skin and eyes, and wear protective gloves, goggles and masks when necessary.
-In case of accidental contact, immediately flush the affected area with plenty of water and seek medical help.
-Avoid contact with organics and strong oxidants during storage and handling.
-Waste should be disposed of in accordance with local regulations.
Last Update：2024-04-10 22:29:15
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