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04249

Sigma-Aldrich

Potassium phosphate tribasic monohydrate

≥95%

Synonym(s):
tert-Potassium phosphate monohydrate, Tripotassium phosphate
Empirical Formula (Hill Notation):
K3O4P · H2O
CAS Number:
Molecular Weight:
230.28
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

assay

≥95%

impurities

≤0.002% heavy metals (as Pb)

loss

≤13% loss on ignition, 800 °C

anion traces

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤200 mg/kg

cation traces

Fe: ≤20 mg/kg

SMILES string

O.[K+].[K+].[K+].[O-]P([O-])([O-])=O

InChI

1S/3K.H3O4P.H2O/c;;;1-5(2,3)4;/h;;;(H3,1,2,3,4);1H2/q3*+1;;/p-3

InChI key

RMNIZOOYFMNEJJ-UHFFFAOYSA-K

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Application

Potassium phosphate tribasic can be used in Suzuki-Miyaura cross-coupling reactions of γ-boronated esters with aromatic halides to synthesize regioselectively substituted amino esters with the retention of configurations.

Pictograms

CorrosionExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Dam. 1 - STOT SE 3

Target Organs

Respiratory system

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

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Certificate of Origin

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