Zinc sulfate

Zinc sulfate is an inorganic chemical compound with the molecular formula ZnSO4 (O4SZn) and CAS number 7733-02-0. This white crystalline salt has a molecular weight of 161.4 g/mol and is commonly found as a heptahydrate in commercial applications. It is classified as a hazardous substance with acute toxicity, eye damage potential, and aquatic toxicity properties, requiring careful handling and appropriate safety measures.

Zinc sulfate is a white crystalline solid that is highly soluble in water, forming clear, colorless solutions. It is odorless and has a metallic, astringent taste. The compound is hygroscopic, meaning it readily absorbs moisture from the air. It decomposes at high temperatures and is incompatible with strong bases and alkalis. Its high water solubility makes it easily bioavailable but also contributes to its environmental impact.

Zinc sulfate is widely used as a zinc supplement in animal feed and fertilizers to prevent zinc deficiency. It serves as a mordant in textile dyeing, a preservative for wood and leather, and a component in electroplating baths. The pharmaceutical industry uses it in eye drops and topical treatments. Additionally, it's employed in the production of other zinc compounds and as a coagulant in water treatment processes.

Zinc sulfate requires careful handling due to its Acute Tox. 4 and Eye Dam. 1 classifications. Wear appropriate personal protective equipment including safety goggles, gloves, and protective clothing. Ensure adequate ventilation to prevent dust inhalation. Avoid contact with eyes, skin, and clothing. Wash hands thoroughly after handling. Keep away from incompatible materials and prevent release into the environment due to its aquatic toxicity.

Zinc sulfate should be stored in a cool, dry, well-ventilated area away from incompatible substances such as strong bases and alkalis. Keep containers tightly closed and protected from moisture due to its hygroscopic nature. Store away from heat sources and direct sunlight. Ensure proper labeling with hazard pictograms GHS05, GHS07, and GHS09. Implement appropriate containment measures to prevent environmental release.

Zinc sulfate contact requires immediate action due to its eye damage potential. For eye contact, rinse immediately with plenty of water for at least 15 minutes and seek medical attention. For skin contact, wash thoroughly with soap and water. If inhaled, move to fresh air and seek medical attention if symptoms persist. If ingested, rinse mouth and drink water, do not induce vomiting, and seek immediate medical attention.

Zinc sulfate disposal must comply with local and national environmental regulations due to its aquatic toxicity classification. Do not discharge into drains, waterways, or soil. Collect waste in appropriate containers and dispose of through licensed waste management facilities. Consider recovery or recycling options where feasible. Contaminated packaging should be treated as hazardous waste and disposed of accordingly through authorized channels.

Zinc sulfate is classified under ADR Class 9 (miscellaneous dangerous goods), Packing Group III for transport purposes. Use appropriate UN-specification packaging and ensure proper labeling with hazard identification. Transport vehicles must carry appropriate documentation and emergency response information. Drivers should be trained in hazardous materials handling. Ensure packages are secured to prevent damage during transit and avoid extreme temperatures.

Zinc sulfate is regulated under the CLP Regulation with hazard classes Acute Tox. 4, Eye Dam. 1, Aquatic Acute 1, and Aquatic Chronic 1. It requires safety data sheets under REACH regulation. The substance is not currently listed as an SVHC (Substance of Very High Concern). Users must comply with occupational exposure limits, environmental discharge restrictions, and proper classification and labeling requirements according to European chemical legislation.

Zinc sulfate is available through OYSI, a European distributor of technical chemicals serving industrial and professional customers across Europe. OYSI provides properly classified and labeled zinc sulfate with complete documentation including safety data sheets and certificates of analysis. As a specialized chemical distributor, OYSI ensures regulatory compliance and offers technical support for safe handling and application of zinc sulfate in various industrial processes.