Santai Aostar Phosphate Chemical Industry Co., Ltd

Products

	Tetra Sodium Pyrophosphate (TSPP)

Click to enlarge image

Model Number

HG2923-199 9

Tetra sodium pyrophosphate (TSPP)
It is water-free tetra sodium pyrophosphate, byname is water-free sodium pyrophosphate; it is white power, soluble in water, insoluble in alcohol. Its solubility is 40.26% at 100 , water solution is alkaline, density is 2.45, melting point is 890 .
Used as quality modifier and nutriment in foods.
PE-inner bags with woven PE bags outside. It must be store in ventilated and dry depot, don?t store in the open air and prevent from rain and insolation.
Item Standard index Company index
Industrial grade Food grade Industrial grade Food grade

Na 4 P 2 O 7 % ≥95.5 96.5～100.5 ≥95.0 ≥95.0

Water insoluble % ≤0.2 ≤0.2 ≤0.2 0.2

PH of 1% solution 9.9～10.7 9.5～10.0

Ortho phosphates Pass Pass

Arsenic, as As % － ≤0.0003 ≤0.01 ＜0.0001

Heavy metals, as Pb % － ≤0.001 ≤0.01 ＜0.001

Fluoride, as F % － ≤0.005 ≤0.01 ＜0.001

Bulk density g/cm3 －－ 0.6～0.8