1,2-benzothiazol-3-one

1,2-benzothiazol-3-one is an organic heterocyclic compound with the molecular formula C7H5NOS and CAS number 2634-33-5. This benzothiazole derivative has a molecular weight of 151.19 g/mol and contains both sulfur and nitrogen atoms in its ring structure. It is classified as a hazardous substance with multiple danger classifications including acute toxicity, skin and eye irritation, skin sensitization, and aquatic toxicity, requiring careful handling in industrial applications.

1,2-benzothiazol-3-one is a solid organic compound at room temperature with a molecular weight of 151.19 g/mol. As a benzothiazole derivative, it typically appears as a crystalline powder with characteristic aromatic properties. The compound contains both hydrophilic and lipophilic regions due to its heterocyclic structure containing nitrogen, sulfur, and oxygen atoms. Specific physical properties such as melting point, boiling point, and solubility data should be confirmed from detailed technical datasheets.

1,2-benzothiazol-3-one is primarily used as a biocide and preservative in industrial applications. It serves as an antimicrobial agent in water treatment systems, paints, coatings, and various industrial fluids where microbial growth control is essential. The compound is also utilized in the formulation of disinfectants and as a preservative in cosmetic and personal care products. Its heterocyclic structure makes it effective against bacteria, fungi, and other microorganisms in various industrial processes.

1,2-benzothiazol-3-one requires strict safety precautions due to its acute toxicity and irritant properties. Essential PPE includes chemical-resistant gloves, safety goggles, and respiratory protection to prevent inhalation. Work in well-ventilated areas or use local exhaust ventilation systems. Avoid skin and eye contact, and prevent dust formation during handling. Use appropriate engineering controls and ensure emergency washing facilities are readily available. All personnel must be trained on the specific hazards and emergency procedures before handling this substance.

1,2-benzothiazol-3-one should be stored in a cool, dry, well-ventilated area away from heat sources and direct sunlight. Keep containers tightly closed to prevent moisture absorption and contamination. Store separately from incompatible materials such as strong oxidizers, acids, and bases. Ensure storage areas are equipped with appropriate spill containment measures and maintain temperatures within recommended ranges. Regular inspection of containers for damage or leakage is essential to maintain product integrity and safety.

Immediate action is required for any contact with 1,2-benzothiazol-3-one due to its toxicity and irritant properties. For skin contact, remove contaminated clothing and wash affected areas with plenty of water for at least 15 minutes. In case of eye contact, flush immediately with water for 15-20 minutes and remove contact lenses if present. If inhaled, move to fresh air immediately. For ingestion, do not induce vomiting. Seek immediate medical attention in all cases and provide the safety data sheet to medical personnel.

1,2-benzothiazol-3-one must be disposed of as hazardous waste in accordance with local, national, and EU regulations. The substance cannot be discharged into sewers, water bodies, or regular waste streams due to its aquatic toxicity and hazardous classification. Contact licensed hazardous waste disposal companies for proper treatment and disposal. Ensure waste containers are properly labeled and documented. Consider recovery or recycling options where technically feasible before disposal. Always consult current waste regulations as requirements may vary by location.

1,2-benzothiazol-3-one is classified under ADR Class 9 (Miscellaneous dangerous substances), Packing Group III for transport purposes. Packages must meet UN specification requirements and be properly labeled with hazard markings and orientation arrows where applicable. Transport documents must include proper shipping names, UN numbers, and emergency response information. Vehicles must carry appropriate emergency equipment and drivers require hazardous materials training. Ensure compliance with ADR regulations for loading, segregation, and routing requirements during transportation.

1,2-benzothiazol-3-one is subject to comprehensive EU chemical regulations including REACH and CLP classifications. The substance requires safety data sheets and hazard communication due to its Danger signal word and multiple hazard classifications. While not currently listed as SVHC, its acute toxicity and sensitization properties require compliance with occupational exposure limits and risk assessment procedures. Users must ensure proper registration, evaluation, and authorization where required. Additionally, biocide regulations may apply depending on intended use applications.

1,2-benzothiazol-3-one is available through OYSI, a specialized European distributor of technical chemicals and industrial raw materials. OYSI provides reliable supply chains across Europe with proper regulatory compliance and technical support. As a hazardous substance requiring specialized handling and documentation, it's essential to work with experienced chemical distributors who understand the regulatory requirements and safety protocols. Contact OYSI directly for availability, specifications, and regulatory documentation specific to your application requirements and location.