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60229

Sigma-Aldrich

Phosphate de potassium monobasic

tested according to Ph. Eur., anhydrous

Synonyme(s) :

Dihydrogénophosphate de potassium, Phosphate de potassium prim., Phosphate monopotassique

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About This Item

Formule linéaire :
KH2PO4
Numéro CAS:
7778-77-0
Poids moléculaire :
136.09
Numéro CE :
231-913-4
Numéro MDL:
MFCD00011401
Code UNSPSC :
12161700
ID de substance PubChem :
329758833
Nomenclature NACRES :
NA.25

Qualité

anhydrous

Niveau de qualité

200

Agence

USP/NF
tested according to Ph. Eur.

Pureté

98-100.5% dry basis

Forme

crystalline

Perte

<2.0% loss on drying

pKa (25 °C)

(1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)

Pf

252.6 °C (lit.)

Solubilité

water: 208 g/L at 20 °C

Densité

2.338 g/mL at 25 °C (lit.)

Chaîne SMILES 

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

InChI

1S/K.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1

Clé InChI

GNSKLFRGEWLPPA-UHFFFAOYSA-M

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Description générale

Potassium phosphate monobasic (KH2PO4), also known as monopotassium phosphate(MKP), is a soluble salt. It serves as a source of phosphorus and potassium. KH2PO4 is an essential component of potassium phosphate buffer, which is utilized in aqueous two-phase systems (ATPS) that are often used in the purification of lipases.

Application

Potassium phosphate monobasic buffer has been used as a component of the mobile phase in high-performance liquid chromatography (HPLC).

Actions biochimiques/physiologiques

Potassium phosphate monobasic (MKP) is a commonly used buffering agent in biochemical and biological applications. It is used as a component of the buffer system in electrophoresis for the separation of biomolecules.

Caractéristiques et avantages

Assured high quality as it is tested according to both USP/NF and Ph. Eur. standards

Code de la classe de stockage

11 - 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

Eyeshields, Gloves, type N95 (US)

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Certificats d'analyse (COA)

Lot/Batch Number
BCCK0139
BCCH7103
BCCH7101
BCCG5757
BCCG4332

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Sigma-Aldrich

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Supelco

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