Zinc phosphate CAS#7779-90-0

Products Description of Citric acid CAS#77-92-9Zinc Phosphate (CAS#7779-90-0) is an inorganic compound that appears as a white, odorless powder. It is a zinc salt derived from phosphoric acid and is characterized by its stable properties and low solubility in water. The chemical formula for Zinc Phosphate is Zn3(PO4)2, and it has a molecular weight of 422.12 g/mole. This compound is commonly used as a corrosion inhibitor, particularly in primer paints due to its ability to provide cathodic protection. It is also utilized in dental cements and for the conversion coating of steel, aluminum, and other metal surfaces .

Physical and Chemical Properties:

• State: Solid

• Appearance: White powder

• Odor: Odorless

• Melting Point: 912 °C

• Solubility: Insoluble in water, but soluble in无机酸, ammonia water, and ammonium salt solutions .

Toxicological Information:Zinc Phosphate has a low order of acute oral and inhalation toxicity, with LD50 values exceeding 2,000 mg/kg body weight for oral exposure and LC50 values above 5.7 mg/L for inhalation exposure. It is not considered an irritant to the skin or eyes, and there is no evidence to suggest it is sensitizing or mutagenic. However, like all chemicals, it should be handled with care to avoid potential health risks .

Safety Precautions:

• Eye Protection: Safety glasses are recommended.

• Skin and Body Protection: Suitable protective clothing should be worn.

• Respiratory Protection: In cases of insufficient ventilation, suitable respiratory equipment should be used.

• Environmental Exposure Controls: It is important to avoid release to the environment to prevent long-term adverse effects on the aquatic environment .

Storage and Handling:Zinc Phosphate should be stored in a cool, dry place, away from incompatible materials such as acids and reducing agents. It is important to keep containers sealed and properly labeled to ensure safety. Waste products should be handled and disposed of in compliance with local, state, and federal regulations to minimize environmental impact .

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