Sodium 6-diazonio-5-oxidonaphthalene-1-sulfonate

Sodium 6-diazonio-5-oxidonaphthalene-1-sulfonate is an aromatic diazonium salt with the molecular formula C10H5N2NaO4S and CAS number 2657-00-3. This chemical compound has a molecular weight of 272.21 g/mol and belongs to the class of diazonium compounds, which are characterized by the presence of a diazonium group (-N2+) attached to an aromatic ring. It features both sulfonate and oxidized functional groups on a naphthalene backbone, making it a versatile intermediate in organic synthesis.

Sodium 6-diazonio-5-oxidonaphthalene-1-sulfonate is typically a crystalline solid at room temperature with characteristic properties of diazonium salts. As a sodium salt containing sulfonate groups, it exhibits good water solubility due to its ionic nature. The compound contains aromatic naphthalene rings which may impart color to the substance. Like most diazonium compounds, it should be handled with care as these materials can be sensitive to heat, light, and mechanical shock under certain conditions.

Sodium 6-diazonio-5-oxidonaphthalene-1-sulfonate is primarily used as an intermediate in organic synthesis, particularly in the production of azo dyes and pigments. Its diazonium functionality makes it valuable for coupling reactions to create colored compounds used in textile dyeing, printing inks, and colorants. The compound may also serve as a building block for pharmaceuticals, specialty chemicals, and other organic compounds where the naphthalene sulfonate structure is required for specific chemical transformations.

Sodium 6-diazonio-5-oxidonaphthalene-1-sulfonate should be handled with standard laboratory safety precautions including wearing appropriate personal protective equipment such as safety glasses, gloves, and lab coats. Work in well-ventilated areas or under fume hoods to avoid inhalation of dust particles. As with all diazonium compounds, avoid exposure to heat sources, direct sunlight, and friction. Use non-sparking tools and ensure proper grounding when handling. Always wash hands thoroughly after handling and avoid eating or drinking in work areas.

Sodium 6-diazonio-5-oxidonaphthalene-1-sulfonate should be stored in a cool, dry place away from direct sunlight and heat sources. Keep containers tightly closed in original packaging to prevent moisture absorption and contamination. Store separately from strong acids, bases, and oxidizing agents. Maintain storage temperatures below room temperature when possible, and ensure good ventilation in storage areas. Check containers regularly for signs of deterioration and follow first-in-first-out inventory management to maintain product quality.

Sodium 6-diazonio-5-oxidonaphthalene-1-sulfonate exposure requires immediate action depending on the route of contact. For skin contact, remove contaminated clothing and wash thoroughly with soap and water for at least 15 minutes. In case of eye contact, flush immediately with clean water for at least 15 minutes and seek medical attention. If inhaled, move to fresh air immediately. For ingestion, do not induce vomiting and seek immediate medical attention. Always consult safety data sheets for specific first aid measures and contact emergency services if severe symptoms occur.

Sodium 6-diazonio-5-oxidonaphthalene-1-sulfonate disposal must comply with local, national, and European waste regulations. The material should be treated as chemical waste and disposed of through licensed waste management companies specializing in organic chemical disposal. Never dispose of this substance in regular trash, sewers, or waterways. Small laboratory quantities may require neutralization or special treatment before disposal. Contact your local environmental authority for specific disposal requirements and approved waste disposal facilities in your area.

Sodium 6-diazonio-5-oxidonaphthalene-1-sulfonate is classified under ADR Class 4.1, indicating it is a flammable solid for transportation purposes. This classification requires specific packaging, labeling, and documentation for road transport within Europe. Use appropriate packaging that meets UN specifications and ensure proper hazard labels are displayed. Transport vehicles must comply with ADR requirements including equipment and driver certification. Always check current transport regulations and consult with logistics providers experienced in chemical transportation to ensure full compliance.

Sodium 6-diazonio-5-oxidonaphthalene-1-sulfonate is subject to European chemical regulations including REACH registration requirements for manufacturing and importing. The substance is not classified as a Substance of Very High Concern (SVHC) based on current available data. However, users must comply with CLP regulation for classification, labeling, and packaging. Industrial users should ensure proper risk assessment and implement appropriate risk management measures. Always verify current regulatory status and consult safety data sheets for the most up-to-date regulatory information.

Sodium 6-diazonio-5-oxidonaphthalene-1-sulfonate is available through OYSI, a specialized European distributor of technical chemicals and intermediates. OYSI provides reliable supply chains across Europe with proper documentation, safety data sheets, and regulatory compliance support. As a professional chemical distributor, OYSI ensures product quality, appropriate packaging, and adherence to transportation regulations. Contact OYSI directly for availability, technical specifications, and logistics arrangements to meet your specific requirements for this specialized chemical intermediate.