2,7-Dichlor-benzthiazol - Names and Identifiers
Name | 2,7-Dichlorobenzothiazole
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Synonyms | 2,7-Dichlor-benzthiazol 2,7-Dichlorobenzothiazole 2,7-DICHLORO BENZOTHIAZOLE Benzothiazole, 2,7-dichloro- 2,7-Dichlorobenzo[d]thiazole 2,7-Dichloro-1,3-benzothiazole Benzothiazole, 2,7-dichloro- (7CI,8CI,9CI)
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CAS | 2942-23-6
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2,7-Dichlor-benzthiazol - Physico-chemical Properties
Molecular Formula | C7H3Cl2NS
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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-Dichlor-benzthiazol - Risk and Safety
2,7-Dichlor-benzthiazol - 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.
Last Update:2024-04-10 22:29:15