Chemical formula: Na2H2P2O7
CAS Number: 7758-16-9
Standard executed: Tech grade (national standard)  Food grade (HG 2928-1999)
Packing and storage:In 25kg, 50kg, 1000kg net bags, store at a cool, dry and well ventilated place.

Specifications  Food Grade
Appearance         White powder
Main contents (as Na2H2P2O7)%≥ 95.0
P2O5%≥                   63.0-64.0
PH Value          3.5-4.5 
Water Insoluble %≤ 1.0 
Fluoride (as F)  50ppm 
Heavy Metals (as Pb)  15ppm 
Arsenic (As)  3ppm
Loss on ignition(105℃) %≤ 0.5

we can also supply industrial grade SAPP
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