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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Identification

Chemical structure
Display Name:
Dipotassium hydrogenorthophosphate
EC Number:
231-834-5
EC Name:
Dipotassium hydrogenorthophosphate
CAS Number:
7758-11-4
Molecular formula:
H3O4P.2K
IUPAC Name:
dipotassium hydrogen phosphate

Type of Substance

Composition:
mono-constituent substance
Origin:
inorganic

Substance Identifiers open all close all

  • 231-834-5
  • 7758-11-4
  • dipotassium hydrogen phosphate
  • DKP
  • Dikaliumfosfaat
  • Dikaliumphosphat
  • Dipotassium hydrogenorthophosphate
  • Dipotassium phosphate
  • Lopon DK
  • MCTR-256
  • MCTR-4-75
  • PRAYPHOS DKP TG GR
  • Potassium phosphate, dibasic
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Dipotassium hydrogenorthophosphate
    EC Number:
    231-834-5
    EC Name:
    Dipotassium hydrogenorthophosphate
    CAS Number:
    7758-11-4
    Molecular formula:
    H3O4P.2K
    IUPAC Name:
    dipotassium hydrogen phosphate

    Legal Entity Composition(s) open all close all

    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Dipotassium hydrogenorthophosphate
    EC Number:
    231-834-5
    EC Name:
    Dipotassium hydrogenorthophosphate
    CAS Number:
    7758-11-4
    Molecular formula:
    H3O4P.2K
    IUPAC Name:
    dipotassium hydrogen phosphate
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Dipotassium hydrogenorthophosphate
    EC Number:
    231-834-5
    EC Name:
    Dipotassium hydrogenorthophosphate
    CAS Number:
    7758-11-4
    Molecular formula:
    H3O4P.2K
    IUPAC Name:
    dipotassium hydrogen phosphate
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Dipotassium hydrogenorthophosphate
    EC Number:
    231-834-5
    EC Name:
    Dipotassium hydrogenorthophosphate
    CAS Number:
    7758-11-4
    Molecular formula:
    H3O4P.2K
    IUPAC Name:
    dipotassium hydrogen phosphate
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Dipotassium hydrogenorthophosphate
    EC Number:
    231-834-5
    EC Name:
    Dipotassium hydrogenorthophosphate
    CAS Number:
    7758-11-4
    Molecular formula:
    H3O4P.2K
    IUPAC Name:
    dipotassium hydrogen phosphate
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Dipotassium hydrogen phosphate trihydrate
    EC Number:
    605-492-6
    CAS Number:
    16788-57-1
    Molecular formula:
    H7K2O7P
    IUPAC Name:
    Dipotassium hydrogen phosphate trihydrate
    State Form:
    other: Substance in aqueous solution


    Constituent 1
    Chemical structure
    Reference substance name:
    Dipotassium hydrogenorthophosphate
    EC Number:
    231-834-5
    EC Name:
    Dipotassium hydrogenorthophosphate
    CAS Number:
    7758-11-4
    Molecular formula:
    H3O4P.2K
    IUPAC Name:
    dipotassium hydrogen phosphate
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Dipotassium hydrogenorthophosphate
    EC Number:
    231-834-5
    EC Name:
    Dipotassium hydrogenorthophosphate
    CAS Number:
    7758-11-4
    Molecular formula:
    H3O4P.2K
    IUPAC Name:
    dipotassium hydrogen phosphate
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Dipotassium hydrogenorthophosphate
    EC Number:
    231-834-5
    EC Name:
    Dipotassium hydrogenorthophosphate
    CAS Number:
    7758-11-4
    Molecular formula:
    H3O4P.2K
    IUPAC Name:
    dipotassium hydrogen phosphate
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Dipotassium hydrogenorthophosphate
    EC Number:
    231-834-5
    EC Name:
    Dipotassium hydrogenorthophosphate
    CAS Number:
    7758-11-4
    Molecular formula:
    H3O4P.2K
    IUPAC Name:
    dipotassium hydrogen phosphate
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Dipotassium hydrogenorthophosphate
    EC Number:
    231-834-5
    EC Name:
    Dipotassium hydrogenorthophosphate
    CAS Number:
    7758-11-4
    Molecular formula:
    H3O4P.2K
    IUPAC Name:
    dipotassium hydrogen phosphate
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Dipotassium hydrogenorthophosphate
    EC Number:
    231-834-5
    EC Name:
    Dipotassium hydrogenorthophosphate
    CAS Number:
    7758-11-4
    Molecular formula:
    H3O4P.2K
    IUPAC Name:
    dipotassium hydrogen phosphate
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Dipotassium hydrogenorthophosphate
    EC Number:
    231-834-5
    EC Name:
    Dipotassium hydrogenorthophosphate
    CAS Number:
    7758-11-4
    Molecular formula:
    H3O4P.2K
    IUPAC Name:
    dipotassium hydrogen phosphate
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Dipotassium hydrogenorthophosphate
    EC Number:
    231-834-5
    EC Name:
    Dipotassium hydrogenorthophosphate
    CAS Number:
    7758-11-4
    Molecular formula:
    H3O4P.2K
    IUPAC Name:
    dipotassium hydrogen phosphate


    Constituent 1
    Chemical structure
    Reference substance name:
    Dipotassium hydrogenorthophosphate
    EC Number:
    231-834-5
    EC Name:
    Dipotassium hydrogenorthophosphate
    CAS Number:
    7758-11-4
    Molecular formula:
    H3O4P.2K
    IUPAC Name:
    dipotassium hydrogen phosphate
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Dipotassium hydrogenorthophosphate
    EC Number:
    231-834-5
    EC Name:
    Dipotassium hydrogenorthophosphate
    CAS Number:
    7758-11-4
    Molecular formula:
    H3O4P.2K
    IUPAC Name:
    dipotassium hydrogen phosphate
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Dipotassium hydrogenorthophosphate
    EC Number:
    231-834-5
    EC Name:
    Dipotassium hydrogenorthophosphate
    CAS Number:
    7758-11-4
    Molecular formula:
    H3O4P.2K
    IUPAC Name:
    dipotassium hydrogen phosphate
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Dipotassium hydrogenorthophosphate
    EC Number:
    231-834-5
    EC Name:
    Dipotassium hydrogenorthophosphate
    CAS Number:
    7758-11-4
    Molecular formula:
    H3O4P.2K
    IUPAC Name:
    dipotassium hydrogen phosphate
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Dipotassium hydrogenorthophosphate
    EC Number:
    231-834-5
    EC Name:
    Dipotassium hydrogenorthophosphate
    CAS Number:
    7758-11-4
    Molecular formula:
    H3O4P.2K
    IUPAC Name:
    dipotassium hydrogen phosphate


    Constituent 1
    Chemical structure
    Reference substance name:
    Dipotassium hydrogenorthophosphate
    EC Number:
    231-834-5
    EC Name:
    Dipotassium hydrogenorthophosphate
    CAS Number:
    7758-11-4
    Molecular formula:
    H3O4P.2K
    IUPAC Name:
    dipotassium hydrogen phosphate
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Dipotassium hydrogenorthophosphate
    EC Number:
    231-834-5
    EC Name:
    Dipotassium hydrogenorthophosphate
    CAS Number:
    7758-11-4
    Molecular formula:
    H3O4P.2K
    IUPAC Name:
    dipotassium hydrogen phosphate
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Dipotassium hydrogenorthophosphate
    EC Number:
    231-834-5
    EC Name:
    Dipotassium hydrogenorthophosphate
    CAS Number:
    7758-11-4
    Molecular formula:
    H3O4P.2K
    IUPAC Name:
    dipotassium hydrogen phosphate
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Dipotassium hydrogen phosphate trihydrate
    EC Number:
    605-492-6
    CAS Number:
    16788-57-1
    Molecular formula:
    H7K2O7P
    IUPAC Name:
    Dipotassium hydrogen phosphate trihydrate
    State Form:
    other: The substance is manufactured and distributed only as aqueous solution.


    Constituent 1
    Chemical structure
    Reference substance name:
    Dipotassium hydrogenorthophosphate
    EC Number:
    231-834-5
    EC Name:
    Dipotassium hydrogenorthophosphate
    CAS Number:
    7758-11-4
    Molecular formula:
    H3O4P.2K
    IUPAC Name:
    dipotassium hydrogen phosphate
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Dipotassium hydrogenorthophosphate
    EC Number:
    231-834-5
    EC Name:
    Dipotassium hydrogenorthophosphate
    CAS Number:
    7758-11-4
    Molecular formula:
    H3O4P.2K
    IUPAC Name:
    dipotassium hydrogen phosphate


    Constituent 1
    Chemical structure
    Reference substance name:
    Dipotassium hydrogenorthophosphate
    EC Number:
    231-834-5
    EC Name:
    Dipotassium hydrogenorthophosphate
    CAS Number:
    7758-11-4
    Molecular formula:
    H3O4P.2K
    IUPAC Name:
    dipotassium hydrogen phosphate


    Constituent 1
    Chemical structure
    Reference substance name:
    Dipotassium hydrogenorthophosphate
    EC Number:
    231-834-5
    EC Name:
    Dipotassium hydrogenorthophosphate
    CAS Number:
    7758-11-4
    Molecular formula:
    H3O4P.2K
    IUPAC Name:
    dipotassium hydrogen phosphate


    Constituent 1
    Chemical structure
    Reference substance name:
    Dipotassium hydrogenorthophosphate
    EC Number:
    231-834-5
    EC Name:
    Dipotassium hydrogenorthophosphate
    CAS Number:
    7758-11-4
    Molecular formula:
    H3O4P.2K
    IUPAC Name:
    dipotassium hydrogen phosphate

    Composition(s) generated upon use open all close all

    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Dipotassium hydrogenorthophosphate
    EC Number:
    231-834-5
    EC Name:
    Dipotassium hydrogenorthophosphate
    CAS Number:
    7758-11-4
    Molecular formula:
    H3O4P.2K
    IUPAC Name:
    dipotassium hydrogen phosphate

    Other types of composition(s)