Product overview

Properties: Tetrapotassium pyrophosphate, is an inorganic compound, chemical formula K4P2O7, is a white powder, soluble in water, not soluble in ethanol

Applications

In industry: Used for cyanide electroplating and metal surface treatment, detergent, paint coating, dispersant and buffer

In food: used as a food additive

Technical specification

There are two types of products: industrial grade and food grade.

Tech grade：

Items	Unit	Lower Limit	Upper Limit
Appearance		White powder
Purity	%	96
Fe	ppm		50
Water Insoluble	%		0.08
Cl	%		0.45
P2O5	%		41.2
Heavy metals as Pb	ppm		50
Weightlessness of Burning	%		2.0
pH Value		10.0	10.7
Bulk Density	g/cm3	0.95	1.1
Mesh	mesh	20	100
Maximum solubility in 25℃	g/100g	187

Food grade：

Items	Unit	Lower Limit	Upper Limit
Appearance		White granular or white powder
Purity	%	98
Fe	ppm		20
Water Insoluble	%		0.08
Cl	%		0.45
P2O5	%		41.2
Heavy metals as Pb	ppm		10
Weightlessness of Burning	%		2.0
pH Value		10.0	10.7
Bulk Density	g/cm3	0.95	1.1
Mesh	mesh	20	100
Maximum solubility in 25℃	g/100g	187

Packaging

Packaging is confirmed with the quotation.

On a small screen, scroll the technical table horizontally.

Published reference specifications. Confirm the current grade, SDS / TDS / COA, packaging and delivery terms with your quotation.