322431

Sigma-Aldrich

Potassium pyrophosphate

97%

Synonym(s):
Tetrapotassium diphosphate, Potassium diphosphate tetrabasic
Linear Formula:
K4P2O7
CAS Number:
Molecular Weight:
330.34
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.23
Pricing and availability is not currently available.

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

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

RIDADR

NONH for all modes of transport

WGK Germany

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis
Certificate of Origin
High clay content nanocomposite hydrogels with surprising mechanical strength and interesting deswelling kinetics
Liu Y, et al.
Polymer, 47(1), 1-5 (2006)
Copper nanowire arrays surface wettability control using atomic layer deposition of TiO 2
Abdulagatov AI, et al.
Russian Journal of Applied Chemistry, 89(8), 1265-1273 (2016)
Development of a base set of toxicity tests using ultrafine TiO2 particles as a component of nanoparticle risk management
Warheit DB, et al.
Toxicology Letters, 171(3), 99-110 (2007)
Stable high areal capacity lithium-ion battery anodes based on three-dimensional Ni-Sn nanowire networks
Tian M, et al.
Journal of Power Sources, 211(32), 46-51 (2012)
Electrochemical exfoliation of graphite to produce graphene using tetrasodium pyrophosphate
Kumar MKP, et al.
Royal Society of Chemistry Advances, 5(32), 24846-24852 (2015)

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