Tetrapotassium Pyrophosphate(Tkpp)

TETRAPOTASSIUM PYROPHOSPHATE(TKPP) (CAS No.:  7320-34-5 )
Executive Standard: ZBG12006-88
Molecular Formula: K4P2O7
MW: 330.0
Character:It is white powder; The density 2.3534 and melting point 1109'C; It is apt to absorb humidity in the open air to deliquescent; It is soluble in water but insoluble in ethanol; It can be chelate with alkaline metals ions or heavy metal ions.

Package: 25kgs woven bag lined with plastic bag, according to the customer's demand,Stored at draughty dry places.

Usage

1,  It is as sequestrant in cyanide-free electroplating.
2, Detergent and cleaner ingredient

3, Clay dispersant in ceramics.
4, Buffering and dispersing agent for dye and pigment.

Specifications
Technical Grade

Main content %
96.0

Phosphorus Pentoxide %
41.0

Fe %
0.03

Water insoluble %
0.1

PH Value of 1% water solution
9.5-11.5

Ortho Phosphate
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