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P5629

Sigma-Aldrich

Potassium phosphate tribasic

reagent grade, ≥98%

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Synonym(s):
Tripotassium phosphate
Linear Formula:
K3PO4
CAS Number:
7778-53-2
Molecular Weight:
212.27
EC Number:
231-907-1
MDL number:
MFCD00036295
UNSPSC Code:
12161700
PubChem Substance ID:
57654540
NACRES:
NA.25

grade

reagent grade

Quality Level

200

Assay

≥98%

form

powder

pH

11.9 (25 °C, 10 g/L)

solubility

water: 100 mg/mL, clear, colorless

density

2.564 g/mL at 25 °C (lit.)

storage temp.

room temp

SMILES string

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

InChI

1S/3K.H3O4P/c;;;1-5(2,3)4/h;;;(H3,1,2,3,4)/q3*+1;/p-3

InChI key

LWIHDJKSTIGBAC-UHFFFAOYSA-K

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General description

Potassium phosphate tribasic exhibits high catalytic property in trans esterification reactions. It has bactericidal activity.

Application

Potassium phosphate tribasic has been used:
  • in lysis buffer for the isolation of protein from Gram positive bacteria
  • as a reagent for the scalable synthesis and post-modification of NU-1000 (mesoporous metal-organic framework)
  • as a reagent for the plasma membrane preparation of Lilium davidii or Oryza sativa with high purity

Pictograms

CorrosionExclamation mark
GHS05,GHS07

Signal Word

Danger

Hazard Statements

H318,H335

Hazard Classifications

Eye Dam. 1 - STOT SE 3

Target Organs

Respiratory system

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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Bactericidal activity of tripotassium phosphate and potassium oleate on the native flora of poultry skin
Hinton Jr A and Ingram KD
Food Microbiology, 20(4), 405-410 (2003)
Scalable synthesis and post-modification of a mesoporous metal-organic framework called NU-1000
Wang TC, et al.
Nature Protocols, 11(1), 149-149 (2016)
Plasma Membrane Preparation from Lilium davidii and Oryza sativa Mature and Germinated Pollen
Yang N, et al.
Journal of integrative plant biology (2010)
Tri-potassium phosphate as a solid catalyst for biodiesel production from waste cooking oil
Guan G, et al.
Fuel Processing Technology, 90(4), 520-524 (2009)
The newly developed monoclonal antibody SA7D6 exhibits potential for detection of Staphylococcus aureus
Senevirathne A and Kim KP
Food Science and Biotechnology, 24(3), 1177-1184 (2015)
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