SODIUM TRIPOLYPHOSPHATE (STPP) FOOD GRADE

SODIUM TRIPOLYPHOSPHATE FOOD GRADE

Chemical formula: Na5P3O10
CAS NO.: 7758-29-4
INS NO.: 451 (i)
Applications: Used as moisture conservative. Applied to can, fruit drinks, milk products, vegetable protein drinks, instant noodles, meat products.
Packing: 25kg paper bag
Specifications: National Standard QB 1034-1991

CHARACTERISTICS	SPECIFICATION LIMITS
Appearance	White Powder or granular
Sodium Tripolyphosphate（Na₅P₃O₁₀）%	≥95.0
P₂O₅ %	≥57.0
Fluoride (as F) %	≤0.001
Arsenic (As)%	≤0.0003
Heavy Metal (as Pb)%	≤0.001
Chloride (as Cl)%	≤0.025
Sulfate (as SO₄^2-) %	≤0.4
Water Insoluble %	≤0.1
pH (1% aqueous solution)	9.5~10
Loss on ignition (LOI) @800°c	≤1
Cadmium as Cd (mg/kg)	≤1
Mercury as Hg (mg/Kg)	≤1

NOTE: Specification Limits are subject to change from time to time. Please contact us for current data sheet

SODIUM TRIPOLYPHOSPHATE FOOD GRADE

SPECIFICATION LIMITS