2-Mercaptobenzothiazole (CAS 149-30-4) is a pale yellow to light brown crystalline powder. It has a basic structure consisting of a benzene ring fused with a thiazole ring, with a thiol (-SH) group attached to the thiazole ring. This chemical is sparingly soluble in water, but it is soluble in organic solvents such as ethanol and acetone.
2-Mercaptobenzothiazole has a melting point of 178-182°C and a boiling point of 305°C. It has a molecular weight of 167.24 g/mol. The physical properties of this compound include a characteristic odor and a bitter taste.
Chemically, 2-Mercaptobenzothiazole is a weak acid and can react with strong bases to form salts. It can also undergo oxidation reactions to form disulfides. This compound is known to be corrosive to metals and may cause skin and eye irritation. It is important to handle it with proper protective measures.
Applicable Fields
2-Mercaptobenzothiazole finds applications in various industries due to its unique properties.
Rubber Industry: In the rubber industry, 2-Mercaptobenzothiazole is commonly used as an accelerator in the vulcanization process. It promotes the cross-linking of rubber molecules, resulting in improved strength and elasticity of rubber products. The mechanism of action involves reacting with the sulfur atoms in rubber, forming cross-links and enhancing the curing process.
Chemical Industry: This chemical is also utilized in the chemical industry as a corrosion inhibitor. It can be added to metalworking fluids, lubricants, and cooling water systems to prevent the corrosion of metal surfaces. The mechanism of action involves forming a protective film on the metal surface, inhibiting the oxidation and corrosion processes.
Storage Conditions
Store in a cool, dry place.
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