FOOD APPLICATIONS

Sodium Tripolyphosphate-STPP

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Time: 2024-03-12 14:40:54
PHOSPHORIC ACID

Sodium Tripolyphosphate-STPP

STPP: Tech/Food Grade Sodium tripolyphosphate

Chemical Formula:Na5P3O10

Chemical Weight: 367.86

Cas No.:7758-29-4

Standard: GB/T9983-2004（INDUSTRIAL GRADE）

GB25566-2010（FOOD GRADE）

H.S Code : 28353190

Items	Specifications	Industrial Grade	Food Grade
1	Main contents(Na5P3O10)	≥94.0%	≥95.0%
2	Phosphorus pentoxide（P2O5）	≥57.0%	≥57.0%
3	Water insoluble matter	≤0.15%	≤0.1%
4	Iron(Fe unit)	≤0.03%	≤0.01%
5	PH value of 1% solution	9.2-10.0	9.5-10.0
6	Heavy metal(Pb unit)	---------	≤ 0.001%
7	Arsenic(As unit)	---------	≤ 0.0003%
8	Fluorine(F unit)	---------	≤ 0.003%
9	Whiteness	≥ 90.0%	≥ 90.0%

APPLICATIONS:

For tech grade,it is used as main auxiliary of synthetic wash, soap synergistic agent, water softener, leather pre-tanning agent, dye auxiliary agent, and dispersant of suspension such as paint, kaolin, magnesium oxide, calcium carbonate drilling mud, preservative agent for paper making, organic synthesis catalyzer, and used in epuration of petroleum product, gum latex storage, as dispersant, solvent in metal industry and pharmaceutical industry;
For food grade,it can be used as quality improvement agent of can, fruit, milk product, etc.

PACKING AND STORAGE:

Inner polyethylene bag and outer woven bag.Net Weight per bag: 25kg/50kg/1000/kg.Stockpiled at ventilated place, avoiding rain, moisture and insulation,handle with care to prevent bag damage.Store away from toxic substances.

Expiration Date:

24months

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