Zinc bis(N,N-dibutylcarbamodithioate)

Zinc bis(N,N-dibutylcarbamodithioate) is an organozinc compound with the molecular formula C18H36N2S4Zn and CAS number 136-23-2. This chemical substance has a molecular weight of 474.1 g/mol and belongs to the carbamodithioate family. It is classified as a hazardous substance with multiple safety concerns including skin and eye irritation, skin sensitization, and aquatic toxicity, requiring careful handling in industrial applications.

Zinc bis(N,N-dibutylcarbamodithioate) is typically a solid compound at room temperature with characteristic organosulfur properties. As an organozinc complex containing sulfur and nitrogen atoms, it exhibits limited water solubility due to its organic dibutyl groups. The compound's molecular structure includes zinc coordinated to carbamodithioate ligands, giving it specific thermal and chemical stability properties relevant for its industrial applications.

Zinc bis(N,N-dibutylcarbamodithioate) is primarily used as an accelerator and activator in rubber vulcanization processes. It serves as a catalyst in the cross-linking of rubber polymers, improving the mechanical properties and durability of rubber products. The compound is also utilized in the production of tires, rubber seals, gaskets, and other elastomeric materials where controlled vulcanization is essential for achieving desired performance characteristics.

Zinc bis(N,N-dibutylcarbamodithioate) requires careful handling due to its skin and eye irritation properties and skin sensitization potential. Wear appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and protective clothing. Ensure adequate ventilation in work areas and avoid direct skin contact. The compound carries GHS07 and GHS09 pictograms with a 'Warning' signal word, indicating moderate health hazards and environmental concerns requiring standard industrial safety protocols.

Zinc bis(N,N-dibutylcarbamodithioate) should be stored in a cool, dry, well-ventilated area away from incompatible materials. Keep containers tightly closed and protect from moisture and direct sunlight. Due to its aquatic toxicity classification, prevent environmental release during storage. Store away from oxidizing agents and strong acids. Maintain proper labeling with GHS07 and GHS09 pictograms and ensure storage areas comply with local chemical storage regulations for hazardous substances.

Zinc bis(N,N-dibutylcarbamodithioate) contact requires immediate first aid measures due to its irritant properties. For skin contact, remove contaminated clothing and wash affected areas thoroughly with soap and water for at least 15 minutes. In case of eye contact, rinse immediately with clean water for 15 minutes and remove contact lenses if present. If inhaled, move to fresh air. Seek medical attention if irritation persists or develops, especially considering the substance's skin sensitization potential.

Zinc bis(N,N-dibutylcarbamodithioate) disposal must follow hazardous waste regulations due to its environmental toxicity classification (Aquatic Acute 1; Aquatic Chronic 1). Never discharge into sewers, waterways, or soil. Contact licensed waste disposal companies specialized in hazardous chemical waste. The compound requires treatment at authorized facilities capable of handling organometallic compounds. Follow local and EU waste regulations including proper waste classification codes and documentation for hazardous waste disposal.

Zinc bis(N,N-dibutylcarbamodithioate) is classified as ADR Class 9 (Miscellaneous dangerous goods), Packing Group III for transportation purposes. This classification requires specific packaging, labeling, and documentation according to ADR regulations. Use appropriate UN-specification packaging and ensure proper hazard labels are affixed. Transport vehicles must comply with ADR requirements for Class 9 substances. Drivers need appropriate ADR training certificates, and transport documents must include proper shipping names and hazard information.

Zinc bis(N,N-dibutylcarbamodithioate) is subject to REACH regulation requiring registration for manufacture or import above one tonne per year. The substance is not currently listed as SVHC (Substance of Very High Concern). It falls under CLP regulation requiring classification as STOT SE 3, Skin Irrit. 2, Eye Irrit. 2, Skin Sens. 1, and aquatic toxicity categories. Users must comply with safety data sheet requirements and workplace exposure limits where established by national authorities.

Zinc bis(N,N-dibutylcarbamodithioate) is available through OYSI, a specialized European distributor of technical chemicals. OYSI provides this compound to industrial customers across Europe with proper documentation including safety data sheets and certificates of analysis. As a professional chemical distributor, OYSI ensures compliance with REACH and CLP regulations, proper packaging according to ADR Class 9 requirements, and technical support for safe handling and application in rubber processing industries.