Overview
Benzothiazole is a bicyclic compound consisting of a benzene ring fused to a thiazole ring. It is a versatile intermediate in organic synthesis, particularly in the production of sulfur-containing compounds. Its unique structure imparts properties useful in industrial and pharmaceutical applications. First synthesized in the late 19th century, benzothiazole has since become a cornerstone in the manufacture of rubber accelerators and dyes. Its derivatives are widely studied for their biological activities, including antimicrobial and anti-inflammatory effects.
Physical and Chemical Properties
Benzothiazole is a pale yellow to colorless liquid with a characteristic aromatic odor. It has a molecular weight of 135.19 g/mol and a density of 1.238 g/cm³. The compound melts at 2°C and boils at 227-228°C. It is soluble in most organic solvents, such as ethanol and ether, but only slightly soluble in water. Benzothiazole is flammable and reacts with strong oxidizing agents, necessitating careful handling and storage.
Main Applications
Benzothiazole is primarily used in the production of rubber vulcanization accelerators, which improve the elasticity and durability of rubber products. It is also a key intermediate in the synthesis of dyes, particularly for textiles and plastics. In the pharmaceutical industry, benzothiazole derivatives are explored for their potential therapeutic effects, including antimicrobial and anticancer properties. Additionally, it serves as a corrosion inhibitor in industrial applications.
Safety and Storage
Benzothiazole is harmful if swallowed or inhaled and can cause skin and eye irritation. Proper personal protective equipment (PPE), such as gloves and goggles, should be worn when handling this chemical. Adequate ventilation is essential to prevent inhalation of vapors. Store benzothiazole in a cool, dry, well-ventilated area away from heat sources and open flames. Containers should be tightly sealed to prevent leakage and contamination.
B2B Procurement Guide
When procuring benzothiazole, verify the CAS number (95-16-9) to ensure product authenticity. Check the purity grade, which typically ranges from 95% to 99%, depending on the application. Request a Safety Data Sheet (SDS) and Certificate of Analysis (COA) from the supplier. Compare prices from multiple suppliers, as costs can vary significantly based on quantity and purity. Bulk purchases may offer discounts, but ensure proper storage facilities are available to maintain product integrity.
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