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Merck

60229

Sigma-Aldrich

Fosfato de potasio monobasic

tested according to Ph. Eur., anhydrous

Sinónimos:

Dihidrógeno fosfato de potasio, Fosfato de monopatosio, prim.-Fosfato de potasio

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About This Item

Fórmula lineal:
KH2PO4
Número de CAS:
Peso molecular:
136.09
EC Number:
MDL number:
UNSPSC Code:
12161700
PubChem Substance ID:
NACRES:
NA.25

grade

anhydrous

Quality Level

agency

USP/NF
tested according to Ph. Eur.

assay

98-100.5% dry basis

form

crystalline

loss

<2.0% loss on drying

pKa (25 °C)

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

mp

252.6 °C (lit.)

solubility

water: 208 g/L at 20 °C

density

2.338 g/mL at 25 °C (lit.)

SMILES string

[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

InChI key

GNSKLFRGEWLPPA-UHFFFAOYSA-M

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General description

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).

Biochem/physiol Actions

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.

Features and Benefits

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

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


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