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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
Etidronic acid
EC Number:
220-552-8
EC Name:
Etidronic acid
CAS Number:
2809-21-4
Molecular formula:
C2H8O7P2
IUPAC Name:
(1-hydroxyethane-1,1-diyl)bis(phosphonic acid)

Type of Substance

Composition:
mono-constituent substance
Origin:
organic

Substance Identifiers open all close all

  • (1-Hydroxyethylidene)-1,1-diphosphonic acid
  • (1-Hydroxyethylidene)bisphosphonic acid
  • (1-Hydroxyethylidene)diphosphonic acid
  • 1-HYDROXYETHYLIDENEDIPHOSPHONIC ACID
  • 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid
  • 1-Hydroxyethylidene- 1,1-Diphosphonic Acid (HEDP)
  • 1-hydroxy-1,1-Ethanediyl ester
  • 1-hydroxyethan-1,1-diphosphonsäure (HEDP)
  • Acetodiphosphonic acid
  • Aquacid 105CG
  • Aquacid-105EX
  • Aquacid-105NS
  • Briquest ADPA-60A
  • Cublen K 60
  • Cublen KT 600
  • EHDP
  • Ethane-1-hydroxy-1,1-diphosphonic acid
  • Etidronic acid
  • HDEPA
  • HEDP
  • HEDPA
  • Hydroxyethanediphosphonic acid
  • Hydroxyethylidene Diphosphonic acid(HEDP)
  • Uniphos 300
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Etidronic acid
    EC Number:
    220-552-8
    EC Name:
    Etidronic acid
    CAS Number:
    2809-21-4
    Molecular formula:
    C2H8O7P2
    IUPAC Name:
    (1-hydroxyethane-1,1-diyl)bis(phosphonic acid)

    Legal Entity Composition(s) open all close all

    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Etidronic acid
    EC Number:
    220-552-8
    EC Name:
    Etidronic acid
    CAS Number:
    2809-21-4
    Molecular formula:
    C2H8O7P2
    IUPAC Name:
    (1-hydroxyethane-1,1-diyl)bis(phosphonic acid)
    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    Etidronic acid
    EC Number:
    220-552-8
    EC Name:
    Etidronic acid
    CAS Number:
    2809-21-4
    Molecular formula:
    C2H8O7P2
    IUPAC Name:
    (1-hydroxyethane-1,1-diyl)bis(phosphonic acid)


    Constituent 1
    Chemical structure
    Reference substance name:
    Etidronic acid
    EC Number:
    220-552-8
    EC Name:
    Etidronic acid
    CAS Number:
    2809-21-4
    Molecular formula:
    C2H8O7P2
    IUPAC Name:
    (1-hydroxyethane-1,1-diyl)bis(phosphonic acid)


    Constituent 1
    Chemical structure
    Reference substance name:
    Etidronic acid
    EC Number:
    220-552-8
    EC Name:
    Etidronic acid
    CAS Number:
    2809-21-4
    Molecular formula:
    C2H8O7P2
    IUPAC Name:
    (1-hydroxyethane-1,1-diyl)bis(phosphonic acid)


    Constituent 1
    Chemical structure
    Reference substance name:
    Etidronic acid
    EC Number:
    220-552-8
    EC Name:
    Etidronic acid
    CAS Number:
    2809-21-4
    Molecular formula:
    C2H8O7P2
    IUPAC Name:
    (1-hydroxyethane-1,1-diyl)bis(phosphonic acid)
    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    Etidronic acid
    EC Number:
    220-552-8
    EC Name:
    Etidronic acid
    CAS Number:
    2809-21-4
    Molecular formula:
    C2H8O7P2
    IUPAC Name:
    (1-hydroxyethane-1,1-diyl)bis(phosphonic acid)


    Constituent 1
    Chemical structure
    Reference substance name:
    Etidronic acid
    EC Number:
    220-552-8
    EC Name:
    Etidronic acid
    CAS Number:
    2809-21-4
    Molecular formula:
    C2H8O7P2
    IUPAC Name:
    (1-hydroxyethane-1,1-diyl)bis(phosphonic acid)
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Etidronic acid
    EC Number:
    220-552-8
    EC Name:
    Etidronic acid
    CAS Number:
    2809-21-4
    Molecular formula:
    C2H8O7P2
    IUPAC Name:
    (1-hydroxyethane-1,1-diyl)bis(phosphonic acid)


    Constituent 1
    Chemical structure
    Reference substance name:
    Etidronic acid
    EC Number:
    220-552-8
    EC Name:
    Etidronic acid
    CAS Number:
    2809-21-4
    Molecular formula:
    C2H8O7P2
    IUPAC Name:
    (1-hydroxyethane-1,1-diyl)bis(phosphonic acid)


    Constituent 1
    Chemical structure
    Reference substance name:
    Etidronic acid
    EC Number:
    220-552-8
    EC Name:
    Etidronic acid
    CAS Number:
    2809-21-4
    Molecular formula:
    C2H8O7P2
    IUPAC Name:
    (1-hydroxyethane-1,1-diyl)bis(phosphonic acid)


    Constituent 1
    Chemical structure
    Reference substance name:
    Etidronic acid
    EC Number:
    220-552-8
    EC Name:
    Etidronic acid
    CAS Number:
    2809-21-4
    Molecular formula:
    C2H8O7P2
    IUPAC Name:
    (1-hydroxyethane-1,1-diyl)bis(phosphonic acid)


    Constituent 1
    Chemical structure
    Reference substance name:
    Etidronic acid
    EC Number:
    220-552-8
    EC Name:
    Etidronic acid
    CAS Number:
    2809-21-4
    Molecular formula:
    C2H8O7P2
    IUPAC Name:
    (1-hydroxyethane-1,1-diyl)bis(phosphonic acid)