2-methyl-1,2-benzothiazol-3-one

2-methyl-1,2-benzothiazol-3-one is an organic compound with the molecular formula C8H7NOS and CAS number 2527-66-4. This benzothiazole derivative has a molecular weight of 165.21 g/mol and contains sulfur, nitrogen, and oxygen heteroatoms in its cyclic structure. It is classified as a hazardous substance with multiple danger classifications including acute toxicity, skin corrosion, and environmental hazards.

2-methyl-1,2-benzothiazol-3-one is a solid organic compound at room temperature with a molecular weight of 165.21 g/mol. The compound features a benzothiazole ring system with a methyl substituent and a ketone functional group. Its chemical structure (C8H7NOS) incorporates aromatic character along with heteroatoms that influence its solubility and reactivity properties.

2-methyl-1,2-benzothiazol-3-one is primarily used as an intermediate in organic synthesis and pharmaceutical manufacturing. This benzothiazole derivative serves as a building block for the production of various chemical compounds, including potential pharmaceutical active ingredients and specialty chemicals. Its unique structural features make it valuable in research and development applications within the chemical industry.

2-methyl-1,2-benzothiazol-3-one requires careful handling due to its corrosive and toxic properties. Essential personal protective equipment includes chemical-resistant gloves, safety goggles, and protective clothing to prevent skin and eye contact. Work in well-ventilated areas or under fume hoods to avoid inhalation. The substance is classified as Skin Corr. 1C and Eye Dam. 1, requiring immediate action if contact occurs.

2-methyl-1,2-benzothiazol-3-one should be stored in tightly sealed containers in a cool, dry, and well-ventilated area away from heat sources and incompatible materials. Given its corrosive properties and environmental hazard classification (Aquatic Acute 1), storage areas must be equipped with appropriate containment measures. Keep away from oxidizing agents and ensure proper labeling with GHS pictograms GHS06, GHS05, and GHS09.

Immediate action is critical due to the substance's corrosive nature. For skin contact, immediately remove contaminated clothing and flush the affected area with plenty of water for at least 15 minutes. For eye contact, rinse immediately with water for at least 15 minutes and seek medical attention. If inhaled, move to fresh air immediately. Given its Acute Tox. 3 and 4 classifications, seek medical attention promptly for any exposure.

2-methyl-1,2-benzothiazol-3-one must be disposed of as hazardous waste through licensed waste management companies in compliance with local and EU regulations. Due to its environmental hazard classification (Aquatic Acute 1), it cannot be discharged into water systems or regular waste streams. Contact specialized hazardous waste disposal services and ensure proper documentation for waste tracking and regulatory compliance.

2-methyl-1,2-benzothiazol-3-one is classified under ADR Class 8 (corrosive substances), Packing Group III for transportation purposes. This classification requires specific packaging, labeling, and documentation for road transport within Europe. Shipments must comply with ADR regulations including proper packaging specifications, hazard labels, and transport documentation. Only authorized carriers experienced in handling corrosive materials should transport this substance.

2-methyl-1,2-benzothiazol-3-one is subject to EU REACH and CLP regulations due to its hazardous properties. The substance is not currently listed as an SVHC (Substance of Very High Concern), but its multiple hazard classifications require compliance with safety data sheet provisions, labeling requirements, and occupational exposure limits. Users must ensure proper risk assessments and implement appropriate risk management measures.

2-methyl-1,2-benzothiazol-3-one is available through OYSI, a specialized European distributor of technical chemicals. OYSI provides this compound with full regulatory compliance including proper documentation, safety data sheets, and appropriate packaging for safe delivery across Europe. As a professional chemical distributor, OYSI ensures quality standards and regulatory compliance for industrial and research applications.