Disodium;sulfanide

Disodium sulfanide is an inorganic chemical compound with the molecular formula HNa2S+ and CAS number 1313-82-2. This substance has a molecular weight of 79.06 g/mol and belongs to the sulfide family of compounds. It is classified as a hazardous chemical with corrosive and toxic properties, requiring careful handling and storage. The compound is primarily used in industrial applications where its chemical reactivity and sulfur content provide specific functional benefits.

Disodium sulfanide is an inorganic solid compound that typically appears as a crystalline material. Like most sulfide compounds, it exhibits high water solubility and can release hydrogen sulfide gas under acidic conditions. The substance has a molecular weight of 79.06 g/mol and contains sodium and sulfur as its primary components. Its chemical structure makes it highly reactive, particularly in the presence of acids or moisture, which contributes to its hazardous classification.

Disodium sulfanide is primarily used in industrial chemical processes as a reducing agent and sulfur source. It finds applications in metal processing, particularly in ore flotation and metal extraction processes. The compound is also utilized in chemical synthesis reactions where sulfide ions are required. Additionally, it serves as an intermediate in the production of other sulfur-containing compounds and may be used in specialized water treatment applications for heavy metal removal.

Disodium sulfanide requires careful handling due to its corrosive and toxic properties (Acute Tox. 3, Skin Corr. 1B). Personnel must wear appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and protective clothing. Work should be conducted in well-ventilated areas or under fume hoods to prevent inhalation exposure. Avoid contact with acids as this can generate toxic hydrogen sulfide gas. Handle containers carefully to prevent spills and ensure emergency procedures are readily available.

Disodium sulfanide must be stored in a cool, dry, well-ventilated area away from incompatible materials, particularly acids and oxidizing agents. Containers should be tightly sealed to prevent moisture absorption and contamination. Storage areas should be equipped with appropriate spill containment measures and emergency equipment. Keep away from heat sources and ensure storage locations are clearly labeled with appropriate hazard warnings. Regular inspection of containers for signs of damage or deterioration is essential for safe storage.

Disodium sulfanide contact requires immediate action due to its corrosive nature. For skin contact, immediately flush the affected area with plenty of water for at least 15 minutes while removing contaminated clothing. In case of eye contact, rinse thoroughly with water for at least 15 minutes and seek immediate medical attention. If inhaled, move the person to fresh air immediately. For ingestion, do not induce vomiting and seek immediate medical attention. Always consult the safety data sheet for complete first aid procedures.

Disodium sulfanide disposal must comply with local and national hazardous waste regulations due to its toxic and environmentally hazardous properties (Aquatic Acute 1). The substance cannot be disposed of in regular waste streams and requires treatment by licensed hazardous waste disposal companies. Neutralization or chemical treatment may be required before disposal. Empty containers should also be handled as hazardous waste. Consult local environmental authorities and waste management specialists for specific disposal requirements and approved facilities.

Disodium sulfanide is classified as ADR Class 8 (corrosive substances) Packing Group II for transportation purposes. Packages must comply with UN packaging standards and bear appropriate hazard labels including corrosive substance markings. Transport vehicles must carry appropriate emergency equipment and documentation. Drivers require ADR training for handling corrosive materials. Shipping documentation must include proper shipping names, hazard classes, and emergency contact information. Ensure compliance with international transport regulations for cross-border shipments.

Disodium sulfanide is subject to various chemical regulations including REACH registration requirements for European markets and CLP classification obligations. The substance is not currently listed as a Substance of Very High Concern (SVHC) but its hazardous properties require compliance with occupational safety regulations. Industrial users must implement appropriate risk management measures and provide safety data sheets. Export/import may be subject to additional controls depending on destination countries and quantities involved.

Disodium sulfanide is available through OYSI, a specialized European distributor of industrial chemicals. OYSI provides high-quality chemical products with complete regulatory documentation including safety data sheets and certificates of analysis. As a professional chemical distributor, OYSI ensures compliance with European regulations and provides technical support for industrial applications. Contact OYSI directly for availability, specifications, and delivery options across European markets. Professional handling and logistics expertise ensure safe delivery of this hazardous substance.