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 is classified as a hazardous material due to its acute toxicity and corrosive properties. It is commonly used in various industrial applications and requires careful handling due to its dangerous classification under GHS regulations.

Disodium sulfanide is an inorganic salt with a molecular mass of 79.06 g/mol and chemical formula HNa2S+. As a sodium sulfide compound, it typically appears as a crystalline solid at room temperature and is highly soluble in water. The substance exhibits strong alkaline properties and can release hydrogen sulfide gas under certain conditions, contributing to its hazardous nature.

Disodium sulfanide is primarily used in industrial applications including metal processing, leather tanning, and textile manufacturing. It serves as a reducing agent in chemical synthesis, a precipitating agent for heavy metals in water treatment, and as an intermediate in the production of sulfur dyes. The compound is also utilized in mining operations for ore flotation and in the paper industry for pulping processes.

Disodium sulfanide requires strict safety measures due to its Acute Tox. 3, Acute Tox. 4, and Skin Corr. 1B classifications. Personnel must wear appropriate PPE including chemical-resistant gloves, safety goggles, and protective clothing. Work should be conducted in well-ventilated areas or under fume extraction systems. Avoid direct contact with skin, eyes, and respiratory system, and ensure emergency shower and eyewash stations are readily accessible.

Disodium sulfanide must be stored in a cool, dry, and well-ventilated area away from incompatible materials such as acids and oxidizing agents. The substance should be kept in tightly sealed containers to prevent moisture absorption and contamination. Storage areas must be equipped with appropriate spill containment measures and should be separated from food, feed, and drinking water supplies according to chemical storage regulations.

Disodium sulfanide exposure requires immediate action due to its corrosive properties. In case of skin contact, immediately remove contaminated clothing and rinse affected area with copious amounts of water for at least 15 minutes. For eye contact, flush thoroughly with water and seek immediate medical attention. If inhaled, move the person to fresh air and provide respiratory support if needed. Always consult a physician after any exposure incident.

Disodium sulfanide disposal must comply with local and international hazardous waste regulations due to its toxic and corrosive nature. The substance cannot be disposed of in regular waste streams and requires treatment by licensed hazardous waste disposal facilities. Small quantities may be neutralized following approved procedures, but large amounts must be collected and disposed of professionally. Always consult local environmental authorities for specific disposal requirements.

Disodium sulfanide is classified as ADR Class 8 (Corrosive substances) Group II for transportation purposes. The substance must be packaged in UN-approved containers with appropriate hazard labels including GHS06, GHS05, and GHS09 pictograms. Transport documents must include the proper shipping name, UN number, and emergency response information. Only trained personnel should handle transportation, and vehicles must be equipped with appropriate spill response materials.

Disodium sulfanide is subject to multiple regulatory frameworks including REACH registration requirements in Europe and CLP classification obligations. The substance carries a 'Danger' signal word and must be labeled with specific GHS pictograms (GHS06, GHS05, GHS09). While not currently listed as a SVHC (Substance of Very High Concern), it requires compliance with occupational exposure limits and environmental discharge restrictions due to its Aquatic Acute 1 classification.

Disodium sulfanide is available through OYSI, a European distributor specializing in technical chemical products. OYSI provides this substance with full regulatory compliance documentation including safety data sheets and certificates of analysis. As an established chemical distributor, OYSI ensures proper packaging, labeling, and transportation according to ADR regulations while maintaining high quality standards for industrial customers across Europe.