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P5655

Sigma-Aldrich

Potassium phosphate monobasic

powder, suitable for cell culture, suitable for insect cell culture, suitable for plant cell culture, ≥99.0%

Synonym(s):

Monopotassium phosphate, Potassium dihydrogen phosphate, prim.-Potassium phosphate

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About This Item

Linear Formula:
KH2PO4
CAS Number:
Molecular Weight:
136.09
EC Number:
MDL number:
UNSPSC Code:
12161700
PubChem Substance ID:
NACRES:
NA.25

Quality Level

Assay

≥99.0%

form

powder

technique(s)

cell culture | insect: suitable
cell culture | mammalian: suitable
cell culture | plant: suitable

pH

4.2-4.6 (20 °C, 20 g/L)

pKa (25 °C)

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

mp

252.6 °C (lit.)

solubility

water: 100 mg/mL, clear, colorless

density

2.338 g/mL at 25 °C (lit.)

application(s)

diagnostic assay manufacturing

storage temp.

room temp

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 during isolation of protein from bacterial cells.
  • It has been used in the preparation of PZM-3 (defined medium for porcine embryos) medium.
  • It has been used in the preparation of phosphate buffer saline.

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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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