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322431

Sigma-Aldrich

Potassium pyrophosphate

97%

Synonym(s):
Potassium diphosphate tetrabasic, Tetrapotassium diphosphate
Linear Formula:
K4P2O7
CAS Number:
Molecular Weight:
330.34
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.23

Quality Level

assay

97%

form

solid

mp

1300 °C (lit.)

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

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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.

Packaging

25, 500 g in poly bottle
2.5 kg in poly bottle

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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