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Potassium pyrophosphate

Name: Potassium pyrophosphate
Brand: ALDRICH

97%

Synonym(s):

Potassium diphosphate tetrabasic, Tetrapotassium diphosphate

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About This Item

Linear Formula:

K₄P₂O₇

CAS Number:

7320-34-5

Molecular Weight:

330.34

NACRES:

NA.23

PubChem Substance ID:

24859317

UNSPSC Code:

12352302

EC Number:

230-785-7

MDL number:

MFCD00011393

Assay:

97%

Form:

solid

Solubility:

water: soluble

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Properties

Quality Segment

200

assay

97%

form

solid

reaction suitability

core: potassium

mp

1300 °C (lit.)

solubility

water: soluble

SMILES string

[K+].[K+].[K+].[K+].[O-]P([O-])(=O)OP([O-])([O-])=O

InChI

1S/4K.H4O7P2/c;;;;1-8(2,3)7-9(4,5)6/h;;;;(H2,1,2,3)(H2,4,5,6)/q4*+1;/p-4

InChI key

RYCLIXPGLDDLTM-UHFFFAOYSA-J

Description

General description

Potassium pyrophosphate (K₄P₂O₇) is a water soluble, buffering and chelating agent. It can also be used as an ionic dispersant to form a low viscous solution. It is a biocompatible and a non-toxic compound that is commonly used as a food additive.

Application

K₄P₂O₇ can be used in the preparation of an electrolytic solution, which can further be used in the fabrication of lithium ion batteries and arrays of copper nanowires.

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hcodes

H319

pictograms

GHS07

signalword

Warning

pcodes

P264 - P280 - P305 + P351 + P338 - P337 + P313

Hazard Classifications

Eye Irrit. 2

Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c