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P9791

Potassium phosphate monobasic

Name: Potassium phosphate monobasic
Brand: SIGMA

Molecular Biology, ≥98.0%

Synonym(s):

Potassium dihydrogen phosphate, prim.-Potassium phosphate

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About This Item

Linear Formula:

KH₂PO₄

CAS Number:

7778-77-0

Molecular Weight:

136.09

NACRES:

NA.21

PubChem Substance ID:

24898921

UNSPSC Code:

12161700

EC Number:

231-913-4

MDL number:

MFCD00011401

eCl@ss:

38070209

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Properties

grade

Molecular Biology

Quality Level

200

assay

≥98.0%

form

powder

pKa (25 °C)

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

mp

252.6 °C (lit.)

solubility

H₂O: 100 mg/mL

density

2.338 g/mL at 25 °C (lit.)

anion traces

chloride (Cl^-): ≤10 ppm

cation traces

Fe: ≤20 ppm, heavy metals (as Pb): ≤10 ppm

application(s)

diagnostic assay manufacturing

foreign activity

DNase, Exonuclease; NICKase, Endonuclease; RNase and protease, none detected

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

Description

Application

Potassium phosphate monobasic has been used:

in high-throughput fluorescence assay of cytochrome P450 3A4
in morphological analysis of neuromuscular junction development and degeneration in rodent lumbrical muscles
in the measurement of net high-affinity urea uptake in maize plants

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Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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