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P5629

Sigma-Aldrich

Potassium phosphate tribasic

reagent grade, ≥98%

Synonym(s):
Tripotassium phosphate
Linear Formula:
K3PO4
CAS Number:
Molecular Weight:
212.27
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.25

Quality Level

grade

reagent grade

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

Packaging

25, 500 g in poly bottle
1 kg in poly bottle
10 kg in poly drum

Pictograms

CorrosionExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Dam. 1 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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