Mercaptobenzothiazole CAS 149-30-4
High Quality Mercaptobenzothiazole CAS 149-30-4
- Appearance:Powder
- Purity:99.8%
- Delivery:30days
- Sample Available:Available
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Name: Mercaptobenzothiazole
CAS: 149-30-4
MOQ: 1KG
Directory Guidance on Mercaptobenzothiazole
Chemical Structure
Basic Info:
| Melting point | 177-181 °C(lit.) |
| Boiling point | 223°C (rough estimate) |
| density | 1.42 |
| vapor pressure | <0.000003 hPa (25 °C) |
| refractive index | 1.6100 (estimate) |
| Fp | 243 °C |
| storage temp. | Store below +30°C. |
Product Introduction:
Mercaptobenzothiazole (MBT) has the chemical formula C7H5NS2. Its chemical structure is somewhat novel, as it juxtaposes the benzene and thiazole rings and contains a thiol substituent at the 2-position. Its appearance is pale yellow, needle- or plate-like, monoclinic crystals. Its melting point is 177 to 181°C and its density is about 1.42 g/cm³. Although it is practically insoluble in water, it has a solubility of 2 g/100 mL in ethanol and 10 g/100 mL in acetone. It is moderately soluble in glacial acetic acid, except for carbon tetrachloride, where it has a solubility of less than 0.2 g/100 mL, and is soluble in alkaline and alkali metal carbonate solutions.
Mercaptobenzothiazole has a variety of chemical properties and characteristics. It is a flammable compound with a flash point of 243°C. In the presence of flammable forms, it will catch fire. The compound decomposes at high temperatures, releasing toxic fumes. It is also slightly harmful to the human body, and can cause irritation, allergy or poisoning if inhaled or absorbed through the skin. When handling or using this compound, appropriate protective clothing, such as protective glasses, gloves and protective clothing, should be used.
Mercaptobenzothiazole has a wide range of uses. It is one of the important vulcanization accelerators in rubber vulcanization, reacting with sulfur in rubber, thereby improving the heat resistance, aging resistance and physical properties of rubber by promoting rubber vulcanization. Its use also extends to chemical analysis, where it forms some stable complexes with certain metal ions for determination. In terms of corrosion protection, it is an effective sulfur-containing organic compound that can be used to reduce corrosion and biodegradation of metal materials. It is also used as a pesticide fungicide. It is very effective against most economically important diseases on a variety of crops.
Mercaptobenzothiazole can be synthesized by a variety of methods. One of the most common manufacturing methods is as follows. It reacts with mercaptans and benzothiazole under alkaline conditions. Alternatively, benzothiazole-2-carboxylic acid can react with mercaptans to form esters. On the other hand, in order to finally obtain the target product, it must undergo hydrogenation reduction or catalytic hydrogenation. Technically, benzothiazole can also be made by reacting thiols with thiocyanate. Different types of this synthesis provide different ways to produce and apply this product.
Nature and Specifications:
| Item | Specification |
| Product Name | Mercaptobenzothiazole |
| CAS No. | 149-30-4 |
| Appearance | Powder |
| Shelf Life | 2 years |
| Packing | As your requirements |
| solubility | 0.12g/l |
| form | Powder |
| pka | 9.80±0.20(Predicted) |
| color | Yellow |
| Odor | Odorless |
| PH | 7 (0.12g/l, H2O, 25℃) |
| explosive limit | 15%(V) |
Product service:
- Certificate Of Analysis (COA)
- Material Safety Data Sheet (MSDS)
- Route of synthesis (ROS)
- Method of Aanlysis (MOA)
- Nuclear Magnetic Resonance (NMR)
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- Free Sample
- Factory audit
1. Rubber Uses
One of the most important applications of Mercaptobenzothiazole (MBT) is as an accelerator in the rubber vulcanization process in the rubber industry. In operations related to rubber processing vulcanization, MBT is often used as an accelerator. It can greatly speed up the vulcanization reaction of rubber. The hardness, elasticity, wear resistance and high temperature resistance of rubber can all be improved because it reacts and forms a vulcanizing agent, which is ultimately used to improve the high temperature resistance of rubber. For this particular application in the rubber processing environment, Mercaptobenzothiazole is mainly used for antioxidant and anti-aging properties to extend the service life of the product.
2. Chemical Synthesis Intermediate
Mercaptobenzothiazole is one of the key ingredients in chemical synthesis and can be used to synthesize specific drugs, dyes, pesticides and other chemicals. The reagent can react with a variety of other reactants and participate in fairly complex organic reactions. For example, nucleophilic substitution reactions of aromatic compounds can be achieved; in addition, due to its sulfur-containing structure, it also shows high performance when it comes to the synthesis of certain types of dyes and pesticides; this makes Mercaptobenzothiazole regarded as one of the key basic raw materials in all chemical industries around the world.
3. Mercaptobenzothiazole (MBT) is now a great asset for those who work with water treatment. Due to the presence of thiol (-SH) groups, it reacts with metal ions, chlorides and other impurities in water, thus forming complexes that simplify the process of removing dangerous elements. In addition, this compound is able to inhibit bacterial reproduction through its antimicrobial effect, as it does protect the entire water treatment process from possible microbial impurities.
4. Future medical applications
Mercaptobenzothiazole is well studied as an intermediate for drug synthesis. Due to its antioxidant, antibacterial and antiviral activities, MBT derivatives can become very promising active ingredients in drug synthesis. Recent studies have demonstrated its use as an anticancer drug; in addition, it also has anti-inflammatory and immunomodulatory properties, which are also of great benefit to future immunotherapy and disease treatment.
5.Mercaptobenzothiazole is used as an intermediate for dye synthesis. The sulfur-containing compound MBT reacts with other chemicals to form a variety of green and yellow dyes. Its intermediate or auxiliary use enhances the stability, lightfastness and heat resistance of dyes in the textile dyeing, leather processing and ink manufacturing industries.
6. Materials such as plastics and rubber can obtain anti-aging and antioxidant therapy from Mercaptobenzothiazole and its derivatives. MBT additives as components of rubber and plastic formulations can improve weather resistance and service life on the one hand, and extend service life on the other hand, because they contain sulfur in their molecules, which can prevent oxidation reactions and thus delay material aging by delaying the formation of oxidation.
7. Application in the electronics and electrical industry
Mercaptobenzothiazole can also be applied in the electronics and electrical industry. It can be used as a corrosion inhibitor in certain electronic components to prevent corrosion damage caused by the use of metals; it can also be used as an agent in the maintenance process of equipment to clean metal parts, thereby maximizing their efficiency and extending their service life.
1. Effectively accelerate vulcanization
For example, Mercaptobenzothiazole is a vulcanization accelerator widely used in the rubber industry, mainly in tire manufacturing, because it can effectively drive the vulcanization reaction, reduce the vulcanization time, and improve the hardness, wear resistance and elasticity of rubber products. Hardness, wear resistance elasticity and thermal stability – during the vulcanization process. This method is very useful in the process of producing tires, conveyor belts and rubber seals
2. Anti-aging properties
Mercaptobenzothiazole’s anti-aging and antioxidant properties can give rubber products appropriate long-term performance and service life, which can be protected from high temperature, humidity, ozone exposure and ultraviolet radiation. Long-term use of MBT treatment helps to avoid rubber cracking and embrittlement, and long-term effects include product cracking. In all these aspects, the service life is greatly increased due to long-term MBT treatment.
3. The thiol (-SH) and benzothiazole rings in the Mercaptobenzothiazole molecule have the greatest chemical reactivity and show good nucleophilic and electrophilic reactivity, thus making it an important partner in organic synthesis and medicinal chemistry. As an intermediate product, it plays a good role in the production of dyes, pesticides, pharmaceuticals, and several other substances, with fewer side reactions during the synthesis process than most of its substitutes.
4. Multiple Applications
Mercaptobenzothiazole is one of the truly useful chemicals on the market today because it has so many applications and uses. In addition to its use as a vulcanization accelerator in the rubber production process, its properties allow it to be effectively used in applications related to water treatment, antimicrobial, antioxidant, corrosion inhibitors, and dye, pesticide synthesis, and pharmaceutical fields. Due to its multi-purpose properties, it is efficient, cheap, and competitive in the market.
5. Cost-effective
Mercaptobenzothiazole (MBT) is less toxic than most sulfur-containing compounds; it is an excellent alternative that can be safely used in applications including rubber manufacturing and dye production without adversely affecting the environment or employees. Although it still needs to be handled with care, this compound is safer than most vulcanization accelerators.
6.Mercaptobenzothiazole is low in cost and highly reactive, which can greatly enhance the entire production process. Therefore, MBT not only has wide applicability but is also a cheap and useful chemical that can be used in commodity production, such as rubber and dyes.
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Related References:
chemicalbook-Mercaptobenzothiazole
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