Nickel(2+);bis(octadecanoate)

Nickel(2+);bis(octadecanoate) is an organometallic compound consisting of a nickel(II) ion coordinated with two octadecanoate (stearate) anions. With the molecular formula C36H70NiO4 and a molecular weight of 625.6 g/mol, this compound combines the catalytic properties of nickel with the long-chain fatty acid structure of stearic acid. It appears as a metal soap compound commonly used in industrial applications requiring both metallic and surfactant properties.

Nickel(2+);bis(octadecanoate) is typically a solid compound at room temperature, often appearing as a greenish or bluish powder due to the characteristic color of nickel(II) compounds. As a metal stearate, it exhibits low solubility in water but shows better solubility in organic solvents and oils. The compound has lubricating properties inherited from its stearate chains and demonstrates thermal stability typical of metal soaps, making it suitable for high-temperature applications.

Nickel(2+);bis(octadecanoate) is primarily used as a catalyst in polymerization reactions, particularly in the production of plastics and synthetic rubbers. It serves as a metal soap in lubricant formulations, providing anti-wear and extreme pressure properties. The compound is also employed in paint and coating formulations as a drier and stabilizer, and in the production of specialized greases where its unique combination of metallic and surfactant properties is valued.

Nickel(2+);bis(octadecanoate) requires careful handling due to its classification as Carc. 1A, Muta. 2, Repr. 1B, STOT RE 1, and respiratory/skin sensitizer. Essential PPE includes respiratory protection (P2 filter minimum), chemical-resistant gloves, safety goggles, and protective clothing. Work in well-ventilated areas or under fume extraction to prevent inhalation. Avoid skin contact and dust generation. Implement strict hygiene measures including hand washing and separate work clothing to prevent contamination.

Nickel(2+);bis(octadecanoate) should be stored in tightly sealed, original containers in a cool, dry, well-ventilated area away from heat sources and direct sunlight. Keep containers upright and protected from moisture to prevent degradation. Store separately from incompatible materials including strong oxidizers and acids. Ensure storage areas are equipped with appropriate spill containment measures and restrict access to authorized personnel only due to the compound's hazardous classification.

Immediate action is crucial due to the compound's sensitizing and carcinogenic properties. For skin contact, remove contaminated clothing immediately and wash the affected area thoroughly with soap and water for at least 15 minutes. If inhaled, move the person to fresh air and seek medical attention immediately. For eye contact, rinse with clean water for at least 15 minutes and remove contact lenses if present. Seek immediate medical attention in all cases of exposure, providing the safety data sheet to medical personnel.

Nickel(2+);bis(octadecanoate) must be disposed of as hazardous waste through licensed waste management companies due to its classification and heavy metal content. The compound cannot be disposed of in regular waste streams or sewage systems due to its aquatic toxicity (Aquatic Acute 1). Collection should be done in appropriate containers, clearly labeled, and handled according to local and European waste regulations including the Waste Framework Directive. Consult local authorities for specific disposal requirements.

Nickel(2+);bis(octadecanoate) is classified as ADR Class 9 (Miscellaneous Dangerous Goods), Packing Group III for transportation purposes. This classification requires appropriate packaging, labeling with Class 9 hazard labels, and proper documentation including transport documents. Packages must be marked with the proper shipping name and UN number. Transport vehicles should be equipped with appropriate safety equipment, and drivers must be trained in ADR regulations for Class 9 substances.

Nickel(2+);bis(octadecanoate) is subject to comprehensive European chemical regulations under REACH and CLP due to its hazardous classification including carcinogenicity, mutagenicity, and reproductive toxicity. As a nickel compound, it may face restrictions under various occupational health regulations and requires risk assessment under workplace safety directives. The compound's environmental hazard classification also subjects it to water protection regulations and emission control requirements across EU member states.

Nickel(2+);bis(octadecanoate) is available through OYSI, a specialized European distributor of technical chemicals with expertise in handling hazardous substances. OYSI provides comprehensive support including proper documentation, safety data sheets, and regulatory compliance assistance. As a professional chemical distributor, OYSI ensures appropriate packaging, labeling according to CLP requirements, and reliable supply chain management for industrial customers requiring this specialized organometallic compound across European markets.