Chemical formula: NaH2 PO4., NaH2PO4.2H2O
Properties:
NaH2 PO4 is white powder, and melting point is at 190 .NaH2 PO4.2H2O is colorless crystal, relative density at 1.915, melting point at 57.4 . All easily soluble in water, but not in organic solution.
Application:
Used for water treatment to boiler, also as buffering agent, dyeing flux, for tanning and electroplating. For food additive it is mainly used as buffering agent, emulsification agent, nourishment, etc.
Packing:
25kgs net paper bags or 25kgs net plastic woven bags
Specifications:
No | Specifications | NaH2 PO4 Food Grade | NaH2PO4.2H2O Food Grade |
1 | Main contents % | 98.0 | 98.0 |
2 | Phosphorus pentoxide % | 58.0 | 44.6 |
3 | PH of 1% water solution | 4.2-4.8 | 4.2-4.8 |
4 | Heavy metals % | 0.001 | 0.001 |
5 | Pb % | 0.0001 | 0.0001 |
6 | Arsenic % | 0.0003 | 0.0003 |
7 | Fluoride, as F % | 0.005 | 0.005 |
8 | Water insoluble % | 0.10 | 0.10 |
Storage and transport:
It should be stored in a ventilative and dry warehouse instead of in the open air, kept away from water, moisture and sunlight during transport, handled with care, so as to avoid damage to plastic bags. Furthermore, it should be stored separately from poisonous substances.