Trisodium phosphate (TSP)
Chemical formula: Na3HPO4 XH2O (X=0, 12)
Molecular weight: 380.14
CAS Number: 7758-79-4
Standard Executed: HG/T2517-93
Apearance: White or colorless crystal powder
Specifications:
No. Specifications Na3HPO4 Na3HPO4.12H2O
Industrial Grade Food Grade
Main contents% ≥ 98.0 98.0
Phosphorus pentoxide(P2O5)%≥ 39.5 18.3
Sodium oxide, as Na2O 36-40 15.5-19
Sulfate, as SO4 % ≤ 0.25 0.5
Heavy metal, as Pb% ≤ 0.001 0.001
Arsenic, as As% ≤ 0.0003 0.0003
Fluoride as F% ≤ 0.05 0.005
Water insoluble% ≤ 0.10 0.10
Package and storage: Plastic-woven sack with polythene inner bag, net weight per bag is 25kg. Keep in dry and windy conditions.