5-(Methoxy-d3)-2-mercaptobenzimidazole

5-(Methoxy-d3)-2-mercaptobenzimidazole, also known as Methoxymethyl-mercaptobenzimidazole or MMBI, is a chemical compound that is commonly used as an antioxidant and a stabilizer in rubber-based products. It is a white to off-white crystalline powder that is soluble in a variety of organic solvents such as ethanol, acetone, and chloroform. MMBI is a derivative of benzimidazole, a heterocyclic compound that contains both nitrogen and carbon atoms in its ring structure. MMBI is primarily used as an antioxidant in the production of rubber-based products such as tires, conveyor belts, and hoses. It helps to prevent the oxidation of rubber, which can cause the material to become brittle and crack over time. Additionally, MMBI is used as a stabilizer in the production of PVC and other plastics to prevent degradation caused by heat and light exposure. The chemical formula of MMBI is C8H7D3N2OS, and its molecular weight is 181.28 g/mol. It has a melting point of 165-169°C and a boiling point of 410.1°C at 760 mmHg. MMBI is a stable compound that is not easily degraded in the presence of heat or light. However, it may react with strong acids or bases, and it should be stored in a cool, dry place away from direct sunlight. Overall, MMBI is a useful chemical compound that plays an important role in the production of rubber-based products and plastics. Its antioxidant and stabilizing properties help to prevent degradation and extend the lifespan of these materials.