All Photos(4)

P9791

Sigma-Aldrich

Potassium phosphate monobasic

for molecular biology, ≥98.0%

Synonym(s):
prim.-Potassium phosphate, Monopotassium phosphate, Potassium dihydrogen phosphate
Linear Formula:
KH2PO4
CAS Number:
Molecular Weight:
136.09
EC Number:
MDL number:
PubChem Substance ID:

Quality Level

grade

for molecular biology

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

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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

Packaging

1 kg in poly bottle
100, 500 g in poly bottle

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

Certificate of Origin

Morphological analysis of neuromuscular junction development and degeneration in rodent lumbrical muscles
Sleigh J N, et al.
Journal of Neuroscience Methods, 227, 159-165 (2014)
Measurement of net high-affinity urea uptake in maize plants
Zanin L, et al.
BMC plant biology (2014)
High-throughput fluorescence assay of cytochrome P450 3A4
Cheng Q, et al.
Nature Protocols, 4(9), 1258-1258 (2009)
Przemyslaw Nogly et al.
IUCrJ, 2(Pt 2), 168-176 (2015-04-14)
Lipidic cubic phases (LCPs) have emerged as successful matrixes for the crystallization of membrane proteins. Moreover, the viscous LCP also provides a highly effective delivery medium for serial femtosecond crystallography (SFX) at X-ray free-electron lasers (XFELs). Here, the adaptation of
Casper Skovgaard et al.
Journal of applied physiology (Bethesda, Md. : 1985), 117(10), 1097-1109 (2014-09-06)
The purpose of this study was to examine whether speed endurance training (SET, repeated 30-s sprints) and heavy resistance training (HRT, 80-90% of 1 repetition maximum) performed in succession are compatible and lead to performance improvements in moderately trained endurance

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