Emulgator 98% Potassium Pyrophosphate Food Grade

Product Description

Tetra Potassium Pyrophosphate, TKPP, metal cleaning agent
Specifications
Tetra Potassium Pyrophosphate
Molecular Formula: K4P2O7
Molecular weight: 330.34
Standard executed: HG/T3591-1999
Tetra Potassium Pyrophosphate
Packing: 25kg woven bag
Volume/ 20FCL: 22MT
Payment term :L/C at sight or T/T (30% T/T in advance, 70% against the copy of B/L).
Properties
Anhydrous tetra potassium phosphate is in white powder. Relative density 2.3534 and melting point 1109°C; It is apt to absorb humidity in the open air to deliquescent; Soluble in water but insoluble in ethanol, and at 25 ,its solubility in water is 187g/100g water; It can chelate with alkaline metals ions or heavy metal ions.
Uses :
It mainly applied to electroplating without cyanate, industrial or household detergents; It can used as a buffering reagent as well as stabilizer for hydrogen peroxide; It can also be used as dispersion agent for ceramic, clay, latex and pigments etc.

NO	INDEXES	FOOD GRADE	TECH GRADE
1	Appearance	White powder or lumps
2	Assay% ≥	98.0	98.0--99.0
3	Iron(Fe) % ≤	0.005	0.01
4	Insoluble in water % ≤	0.10	0.20
5	Heavy Metals(as Pb)% ≤	0.001	0.003
6	Arsenic(As)% ≤	0.003	0.008
7	PH Value	10.0-10.7	10.0-10.7
8	Ortho Phosphate	pass

Water-soluble, colorless crystals; dehydrates below 300.C, melts at 1090.C; used in tin plating, china-clay purification, dyeing, oil-drilling muds, and synthetic rubber production. Also known as normal potassium pyrophosphate, tetrapotassium pyrophosphate.
Potassium pyrophosphate has excellent chelating capability. It can form stable chelates with Ca2+ and Mg2+ in hard water to soften hard water, to increase washing capability, to remove dirt, and to form a layer of protection film on metal (like iron and other metals) surface preventing surface corrosion. P2O74- has strong dispersion capability to micro-dispersed solids, enabling homogenous mixture of tiny and fine matters. Its stable pH buffer capability maintains long-term solution pH value. Product is easy to dissolve in water, its solubility is 187 g/100mL at 25.C.
Tetrapotassium Pyrophosphate is mainly used in plating without cyanide and bleaching leather products as stabilizer. Under two special conditions, potassium pyrophosphate must be utilized: first is heavy - dirt deterging in controlling foam; second is cleaning metal surface. It is also adopted in detergent industry. Our Potassium Pyrophosphate complies with International Quality Standards and their quality and durability are fully guaranteed.
Factory Pictures:

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