Sodium N-methylcarbamodithioate

Sodium N-methylcarbamodithioate is an organosulfur chemical compound with the molecular formula C2H4NNaS2 and CAS number 137-42-8. This sodium salt of N-methylcarbamodithioic acid has a molecular weight of 129.18 g/mol and belongs to the dithiocarbamate family of chemicals. It is classified as a hazardous substance requiring careful handling due to its corrosive properties and potential health effects.

Sodium N-methylcarbamodithioate is typically a crystalline solid at room temperature with good water solubility due to its ionic sodium salt structure. The compound exhibits hygroscopic properties and may have a characteristic sulfur-like odor. Its dithiocarbamate structure makes it chemically reactive, particularly susceptible to decomposition under acidic conditions or elevated temperatures, which can release toxic gases.

Sodium N-methylcarbamodithioate is primarily used as a biocide and preservative in industrial applications, particularly in metalworking fluids, cooling systems, and water treatment processes. It serves as an effective antimicrobial agent against bacteria and fungi. The compound is also utilized in rubber vulcanization processes and as an intermediate in the synthesis of other chemical compounds in specialized industrial applications.

Sodium N-methylcarbamodithioate requires strict safety measures due to its corrosive and sensitizing properties. Workers must wear appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and protective clothing. Ensure adequate ventilation to prevent inhalation exposure. Avoid skin and eye contact completely. Work in well-ventilated areas or under fume hoods, and have emergency eyewash stations readily available.

Sodium N-methylcarbamodithioate must be stored in tightly sealed containers in a cool, dry, well-ventilated area away from direct sunlight and heat sources. Keep separated from acids, strong oxidizers, and incompatible materials to prevent dangerous reactions. Store in original labeled containers with proper hazard identification. Maintain storage temperature below 25°C and protect from moisture to prevent decomposition and maintain product stability.

Immediate action is required for any contact with sodium N-methylcarbamodithioate due to its corrosive nature. For skin contact, immediately remove contaminated clothing and flush affected area with plenty of water for at least 15 minutes. For eye contact, rinse continuously with water and seek immediate medical attention. If inhaled, move to fresh air immediately. In all cases of exposure, contact emergency medical services promptly.

Sodium N-methylcarbamodithioate disposal must comply with local and European waste regulations due to its hazardous classification. The substance cannot be disposed of in regular waste streams and requires specialized hazardous waste treatment. Contact licensed waste disposal companies for proper handling. Never discharge into sewers, water bodies, or soil. Containers must be completely emptied and treated as hazardous waste unless properly decontaminated.

Sodium N-methylcarbamodithioate is classified under ADR Class 8 (Corrosive substances), Packing Group II, requiring specialized transport procedures. Packages must bear appropriate hazard labels including corrosive substance markings. Transport vehicles need proper documentation, emergency response information, and drivers must have ADR certification. Use approved packaging materials resistant to corrosion and ensure proper segregation from incompatible substances during transport.

Sodium N-methylcarbamodithioate is subject to comprehensive European chemical regulations including REACH registration requirements and CLP classification as a corrosive and sensitizing substance. It carries aquatic toxicity classifications requiring environmental protection measures. While not currently listed as an SVHC, users must comply with occupational exposure limits, worker protection requirements, and environmental discharge restrictions. Regular safety data sheet updates are mandatory.

Sodium N-methylcarbamodithioate is available through OYSI, a specialized European distributor of technical chemicals. OYSI provides this regulated substance to qualified industrial customers with proper documentation and safety data sheets. As a professional chemical distributor, OYSI ensures compliance with European regulations and provides technical support for safe handling and application guidance to authorized users across European markets.