Tetrapotasssium Pyrophosphate (TKPP)

Tetrapotasssium Pyrophosphate-TKPP

TKPP: Tech/Food Grade Tetra potassium pyrophosphate

Chemical Formula:K4P2O7

Chemical Weight: 330.35

Cas No.:7320-34-5

Standard: HG/T3591-2009（INDUSTRIAL GRADE）

GB25562-2010（FOOD GRADE）

H.S Code : 28353990
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Items	Technical grade	Food grade
Main content (H3PO4)	85.0% Min	85.0% Min
Colour /hazen	20.0 Max	20.0 Max
Sulphate(SO4)	0.01% Max	0.01% Max
Chloride(Cl)	5.0 ppm Max	5.0 ppm Max
Iron(Fe)	20.0 ppm Max	10.0 ppm Max
Arsenic(As)	1.0 ppm Max	0.5 ppm Max
Fluoride(F)	100.0 ppm Max	10.0 ppm Max
Heavy metal (Pb)	10.0 ppm Max	2.0 ppm Max
Cadmium(Cd)	20.0 ppm Max	2.0 ppm Max
Caldium(Ca)	20.0 ppm Max	-------

APPLICATIONS:

For tech grade,it is used in non-cyanide plating; Used as pre-process agent of galvanization and pyrophosphoric acid plating solution; detergent of metal surface; dispersant and buffering agent of paint and dye, etc.
For food grade, it is used as emulsifier, improvement agent and chelon in food industry.

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