Benzothiazole, 2-methoxy-
2-甲氧基苯并噻唑
CAS: 63321-86-8
Molecular Formula: C8H7NOS
Benzothiazole, 2-methoxy- - Names and Identifiers
| Name | 2-甲氧基苯并噻唑 |
| Synonyms | Benzothiazole, 2-methoxy- 2-Methoxy-1,3-benzothiazole Benzothiazole, 2-methoxy- (7CI,9CI) |
| CAS | 63321-86-8 |
Benzothiazole, 2-methoxy- - Physico-chemical Properties
| Molecular Formula | C8H7NOS |
| Molar Mass | 165.21 |
| Density | 1.268±0.06 g/cm3(Predicted) |
| Melting Point | 34-38°C |
| Boling Point | 119 °C(Press: 30 Torr) |
| Flash Point | 110℃ |
| pKa | 2.11±0.10(Predicted) |
Benzothiazole, 2-methoxy- - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R22 - Harmful if swallowed R36 - Irritating to the eyes |
| Safety Description | 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| UN IDs | UN 3335 |
| WGK Germany | 3 |
Benzothiazole, 2-methoxy- - Introduction
2-Methoxybenzothiazole is an organic compound, the chemical formula is C9H7NOS, often referred to as MBT, the molecular structure of the benzene ring is connected to the thiazole ring, and the benzene ring on the 2nd position has a methoxy (OCH3) substituent.
2-methoxybenzothiazole is a yellow crystal with a special smell. It can be dissolved in organic solvents, but is practically insoluble in water. It is a strongly acidic compound that can form salts and complexes.
It has a wide range of applications. Among them, the most important one is used as a rubber processing aid, commonly used in the processing of rubber products, can be used as an accelerator to improve the vulcanization rate and vulcanization effect of rubber. In addition, it also has some applications in other fields, such as catalysts and intermediates in organic synthesis.
The preparation method of 2-methoxybenzothiazole is relatively simple. A common synthesis method is obtained by reacting toluene with sulfide under the action of an oxidant. Specific steps are as follows: First, toluene is mixed with sodium sulfide or potassium sulfide and an appropriate amount of ferric chloride and the like, and the mixture is heated and reacted under appropriate conditions. After completion of the reaction, pure 2-methoxybenzothiazole can be obtained by leaching and crystallization.
About the safety information of 2-methoxybenzothiazole, it is a flammable substance and needs to be kept away from fire and high temperature. Avoid contact with oxidants and strong acids during operation and storage. It may be irritating to the eyes, skin and respiratory system, so wear appropriate protective equipment when using it. In the event of an accident such as contact or inhalation, immediately flush the affected area with water and seek medical help. In addition, we should pay attention to the standard requirements of storage and handling to avoid environmental pollution. In the use of the process to consider the safety and danger, and in accordance with the correct method of operation.
2-methoxybenzothiazole is a yellow crystal with a special smell. It can be dissolved in organic solvents, but is practically insoluble in water. It is a strongly acidic compound that can form salts and complexes.
It has a wide range of applications. Among them, the most important one is used as a rubber processing aid, commonly used in the processing of rubber products, can be used as an accelerator to improve the vulcanization rate and vulcanization effect of rubber. In addition, it also has some applications in other fields, such as catalysts and intermediates in organic synthesis.
The preparation method of 2-methoxybenzothiazole is relatively simple. A common synthesis method is obtained by reacting toluene with sulfide under the action of an oxidant. Specific steps are as follows: First, toluene is mixed with sodium sulfide or potassium sulfide and an appropriate amount of ferric chloride and the like, and the mixture is heated and reacted under appropriate conditions. After completion of the reaction, pure 2-methoxybenzothiazole can be obtained by leaching and crystallization.
About the safety information of 2-methoxybenzothiazole, it is a flammable substance and needs to be kept away from fire and high temperature. Avoid contact with oxidants and strong acids during operation and storage. It may be irritating to the eyes, skin and respiratory system, so wear appropriate protective equipment when using it. In the event of an accident such as contact or inhalation, immediately flush the affected area with water and seek medical help. In addition, we should pay attention to the standard requirements of storage and handling to avoid environmental pollution. In the use of the process to consider the safety and danger, and in accordance with the correct method of operation.
Last Update：2024-04-10 22:29:15
