Product name:Sodium pyrophosphate
CAS: 7722-88-5
Molecular Formula: Na4P2O7
Molecular Weight: 265.9
Product description:White powder or crystal. Relative density 2.534, melting point 880 ℃, boiling point of 938 ℃. Colorless transparent crystals or white crystalline powder. Soluble in water, when 20 ℃, 100 g water solubility is 6.23, the alkaline aqueous solution; Insoluble in alcohol. Aqueous solution is stable under 70 ℃, boiling is hydrolyzed to disodium hydrogen phosphate.The plating solution for electroplating industry, can form complex with iron. Wool spinning industry is used as the wool degreasing agent and bleaching agent. Papermaking industry used for bleaching paper and plant fiber. Printing and dyeing industry as additives for the essence of printing and dyeing, bleaching. Daily chemical industry is used as additive in toothpaste, can form with calcium hydrogen phosphate colloid and stable effect, can also be used in synthetic detergent and cream shampoo and other products. As a water softener in water treatment. As rust remover in the mechanical processing. In the chemical production is used as dispersant and emulsifier. Can also be used for water treatment, oil drilling, etc., in the food industry as improver, emulsifier, buffer, chelating agent, etc.