Molecular Formula: Na3PO4, Na3PO4•12 H2O
Molecular Weight: anhydrous163.94; dodecahydrate : 379.94
CAS: anhydrous: 7601-54-9; dodecahydrate : 10101-89-0
Character: It is colorless to white crystal, powder or crystalline powder. Its odorless, easily soluble in water but insoluble in ethanol.
Quality index Specification GB25565-2010 FCC,1996
Assay (as Na3PO4) % Content (Na3PO4) Anhydrous 97.0 97.0
Dodecahydrate 97.0 92.0
Heavy Metal% Heavy Metals 0.001 ---
Pb% Pb 0.0004 ---
Fluoride (as F )% Fluorides(F) 0.005 0.005
Water insoluble matter% Insoluble In Water 0.2 0.2
pH value pH Value 11.5-12.5 ---
As% As 0.0003 0.0003
Phosphorus pentoxide% P2O5 39.83 39.83
Loss on ignition% Loss On Ignition Anhydrous 2.0 2.0
Dodecahydrate 45.0-57.0 45.0-57.0
Uses: In food processing industry, it is used as buffering agent, emulsifier, antitacking agent, antioxidant additive, nutrition supplement, metal chelation.
Packing: It is packed with polyethylene bag as liner and a compound plastic woven bag as the outer layer. The net weight of each bag is 25kg.
Storage & Transportation : It should be stored in a dry and ventilate warehouse; kept away from moisture and hot. Furthermore, it should be stored separately from poisonous substances; unload with care as to avoid damage to packing.
