Molecular formula: NaH2PO4
CAS Number：7558-80-7
Standard executed: HG/T2767-1996(Tech Grade)HG2919-2000(Food Grade)
Packing and storage: In 25kg, 50kg, 1000kg net bags, store at a cool, dry and well ventilated place.
Properties:
Anhydrous product is white powder, and melting point is at 190℃. Dihydrate is colorless crystal, relative density at 1. 915 g/cm3, melting point at 57. 4℃. All easily soluble in water, but not in organic solution.
Uses: Used for water treatment to boiler, also as buffering agent to acidity, detergent, cleaning agent, dyeing flux, for tanning and electroplating. For food additive it is mainly used as buffering agent, emulsification agent, nourishment, etc.
Specifications：
1. Tech Grade:
Main content: 98% min
Phosphorus pentoxide: 58% min
Sodium Oxide(Na2O): 25. 5%-26. 5%
PH value of 1% solution: 4. 2-4. 8
Heavy metals: 10ppm max
Fluoride: 50ppm max
Arsenic: 3ppm max
Water insoluble: 0. 1% max
2. Food Grade:
Main content: 98% min
Phosphorus pentoxide: 58% min
Sodium Oxide(Na2O): 25. 5%-26. 5%
PH value of 1% solution：4. 2-4. 8
Heavy metals: 10ppm max
Fluoride: 50ppm max
Arsenic: 3ppm max
Water insoluble: 0. 1% max