Nickel(2+) sulfate

Nickel(2+) sulfate is an inorganic chemical compound with the formula NiO4S and CAS number 7786-81-4. This salt contains nickel in its +2 oxidation state combined with sulfate ions, resulting in a molecular weight of 154.76 g/mol. It is classified as a highly hazardous substance with carcinogenic, mutagenic, and reproductive toxicity properties, requiring careful handling and strict safety protocols in industrial applications.

Nickel(2+) sulfate typically appears as green crystalline crystals or powder at room temperature. The compound is highly soluble in water, forming characteristic green solutions due to the presence of nickel ions. It is odorless and has a molecular weight of 154.76 g/mol. The substance is stable under normal conditions but can decompose at high temperatures, releasing toxic sulfur oxides and nickel compounds.

Nickel(2+) sulfate serves primarily in electroplating processes for nickel coating of metals, providing corrosion resistance and decorative finishes. It is extensively used in the production of nickel-cadmium batteries and as a catalyst in various chemical reactions. Additionally, it finds applications in ceramic glazes, textile dyeing, and as a precursor for other nickel compounds in chemical manufacturing industries.

Nickel(2+) sulfate requires strict safety protocols including respiratory protection, chemical-resistant gloves, and protective clothing to prevent skin contact and inhalation. Work should be conducted in well-ventilated areas or under fume hoods due to its carcinogenic and respiratory sensitizing properties. Eye protection is mandatory, and personnel should be trained on emergency procedures. Regular health monitoring is recommended for workers with occupational exposure.

Nickel(2+) sulfate should be stored in tightly sealed containers in a cool, dry, well-ventilated area away from incompatible materials. Keep containers away from heat sources and direct sunlight to prevent decomposition. Storage areas must be equipped with appropriate spill containment measures and restricted access due to the substance's hazardous classification. Separate from reducing agents, acids, and organic materials to prevent dangerous reactions.

Skin contact with nickel(2+) sulfate requires immediate removal of contaminated clothing and thorough washing with soap and water for at least 15 minutes. In case of eye contact, rinse immediately with plenty of water for at least 15 minutes and seek medical attention. If inhaled, move to fresh air immediately and seek medical care. For ingestion, do not induce vomiting and seek immediate medical attention while providing safety data sheet information.

Nickel(2+) sulfate disposal must comply with local and national hazardous waste regulations due to its toxic and carcinogenic properties. The substance cannot be disposed of in regular waste streams and requires treatment by licensed hazardous waste disposal facilities. Recovery and recycling of nickel content is often preferred for environmental and economic reasons. Consult local environmental authorities for specific disposal requirements and approved waste management facilities.

Nickel(2+) sulfate is classified under ADR as Class 6.1 (toxic substances), Packing Group III, requiring appropriate hazardous goods packaging and documentation for transport. Packages must be properly labeled with GHS pictograms (GHS08, GHS07, GHS09) and carry the 'Danger' signal word. Transport vehicles must comply with ADR regulations, and drivers require hazardous materials training. Proper shipping papers and emergency response information must accompany shipments.

Nickel(2+) sulfate is subject to extensive European regulations under REACH and CLP due to its classification as Carcinogenic 1A, Mutagenic 2, and Reproductive toxicant 1B. It requires safety data sheets, exposure scenario documentation, and strict workplace exposure limits. The substance faces restrictions in consumer products and requires authorization for certain uses. Companies must comply with notification requirements and implement risk management measures throughout the supply chain.

Nickel(2+) sulfate is available through OYSI, a European distributor specializing in technical chemical products with comprehensive regulatory compliance. OYSI provides proper documentation, safety data sheets, and technical support for industrial customers across Europe. Due to the substance's hazardous classification, purchases are typically restricted to qualified industrial users with appropriate handling capabilities and regulatory compliance. Contact OYSI directly for availability, specifications, and regulatory guidance.