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322431

Sigma-Aldrich

Potassium pyrophosphate

97%

Synonyme(s) :

Potassium diphosphate tetrabasic, Tetrapotassium diphosphate

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About This Item

Formule linéaire :
K4P2O7
Numéro CAS:
7320-34-5
Poids moléculaire :
330.34
Numéro CE :
230-785-7
Numéro MDL:
MFCD00011393
Code UNSPSC :
12352302
ID de substance PubChem :
24859317
Nomenclature NACRES :
NA.23
Essai:
97%
Forme:
solid
Le tarif et la disponibilité ne sont pas disponibles actuellement.

Niveau de qualité

200

Essai

97%

Forme

solid

Pf

1300 °C (lit.)

Chaîne SMILES 

[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

Clé InChI

RYCLIXPGLDDLTM-UHFFFAOYSA-J

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Description générale

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.[1][2][3] It is a biocompatible and a non-toxic compound that is commonly used as a food additive.[4]

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.[5][6][7]

Pictogrammes

Exclamation mark
GHS07

Mention d'avertissement

Warning

Mentions de danger

H319

Classification des risques

Eye Irrit. 2

Code de la classe de stockage

13 - Non Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 1

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

dust mask type N95 (US), Eyeshields, Gloves

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Certificats d'analyse (COA)

Lot/Batch Number
MKCW4996
STBL4244
STBL0996
MKCT6226
STBK8586

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Retrouvez la documentation relative aux produits que vous avez récemment achetés dans la Bibliothèque de documents.

Consulter la Bibliothèque de documents

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)
Enhancing Ni-Sn nanowire lithium-ion anode performance by tailoring active/inactive material interfaces
Tian M, et al.
Journal of Power Sources, 196(23), 10207-10212 (2011)
Pyrophosphate coupling with chelant-enhanced soil flushing of field contaminated soils for heavy metal extraction
Yan DYS and Lo IMC
Journal of Hazardous Materials, 199(3), 51-57 (2012)
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)
Afficher tous les articles scientifiques apparentés

Questions

1–2 of 2 Questions  

  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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