Potassium Phosphate Dibasic, 500g

SKU:
P3786-500G
  • $165.00
  • Description

    Potassium phosphate dibasic

    ACS reagent, ≥98%

    Synonym(s):
    Dipotassium hydrogenphosphate, Dipotassium phosphate, sec.-Potassium phosphate
    Linear Formula:
    K2HPO4
    CAS Number:
    7758-11-4
    Molecular Weight:
    174.18
    EC Number:
    231-834-5
    MDL number:
    MFCD00011383
    eCl@ss:
    38070212
    PubChem Substance ID:
    329820191
    NACRES:
    NA.21

    PROPERTIES

    grade

    ACS reagent

    Quality Level

    200

    Assay

    ≥98%

    form

    powder

    impurities

    ≤0.001% Nitrogen compounds (as N)
    ≤0.01% Insoluble matter

    loss

    ≤1.0% loss on drying, 105°C

    pH

    8.5-9.6 (25 °C, 5% in solution)

    anion traces

    chloride (Cl-): ≤0.003%
    sulfate (SO42-): ≤0.005%

    cation traces

    Fe: ≤0.001%
    Na: ≤0.05%
    heavy metals: ≤5 ppm (by ICP-OES)

    SMILES string

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

    InChI

    1S/2K.H3O4P/c;;1-5(2,3)4/h;;(H3,1,2,3,4)/q2*+1;/p-2

    InChI key

    ZPWVASYFFYYZEW-UHFFFAOYSA-L

     

    Application

    Potassium phosphate dibasic has been used in the preparation of MMG (maltose, methyl green) medium, phosphate buffered saline and hypotonic solution