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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
Sodium Salts of (1-Hydroxyethylidene)bisphosphonic acid (2-3 Na:1)
EC Number:
701-238-4
CAS Number:
29329-71-3
Molecular formula:
HEDP-2Na C2H6Na2O7P2 HEDP-3Na C2H5Na3O7P2
IUPAC Name:
Sodium Salts of (1-Hydroxyethylidene)bisphosphonic acid (2-3 Na:1)

Type of Substance

Composition:
UVCB
Origin:
organic

Substance Identifiers open all close all

  • (1-hydroxyethylidene)bisphosphonic acid, sodium salt
  • 249-559-4
  • 249-559-4
  • 701-238-4
  • 29329-71-3
  • HEDP2-3 Na
  • CUBLEN K 2012
  • CUBLEN K 9012 GR
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Sodium Salts of (1-Hydroxyethylidene)bisphosphonic acid (2-3 Na:1)
    EC Number:
    701-238-4
    CAS Number:
    29329-71-3
    Molecular formula:
    HEDP-2Na C2H6Na2O7P2 HEDP-3Na C2H5Na3O7P2
    IUPAC Name:
    Sodium Salts of (1-Hydroxyethylidene)bisphosphonic acid (2-3 Na:1)
    Constituent 2
    Reference substance name:
    HEDP condensates, sodium salts
    IUPAC Name:
    HEDP condensates, sodium salts
    Constituent 3
    Chemical structure
    Reference substance name:
    Sodium hydrogen phosphonate
    EC Number:
    237-707-0
    EC Name:
    Sodium hydrogen phosphonate
    CAS Number:
    13933-52-3
    Molecular formula:
    NaH2PO3 or H2NaO3P or H3O3P.Na
    IUPAC Name:
    Sodium hydrogen phosphonate
    Constituent 4
    Chemical structure
    Reference substance name:
    Sodium dihydrogenorthophosphate
    EC Number:
    231-449-2
    EC Name:
    Sodium dihydrogenorthophosphate
    CAS Number:
    7558-80-7
    Molecular formula:
    NaH2PO4 or H2NaO4P or H3O4P.Na
    IUPAC Name:
    sodium dihydrogen phosphate
    Constituent 5
    Chemical structure
    Reference substance name:
    Sodium chloride
    EC Number:
    231-598-3
    EC Name:
    Sodium chloride
    CAS Number:
    7647-14-5
    Molecular formula:
    ClNa
    IUPAC Name:
    Sodium chloride
    Constituent 6
    Chemical structure
    Reference substance name:
    Sodium acetate
    EC Number:
    204-823-8
    EC Name:
    Sodium acetate
    CAS Number:
    127-09-3
    Molecular formula:
    C2H4O2.Na
    IUPAC Name:
    Sodium acetate
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Sodium Salts of (1-Hydroxyethylidene)bisphosphonic acid (2-3 Na:1)
    EC Number:
    701-238-4
    CAS Number:
    29329-71-3
    Molecular formula:
    HEDP-2Na C2H6Na2O7P2 HEDP-3Na C2H5Na3O7P2
    IUPAC Name:
    Sodium Salts of (1-Hydroxyethylidene)bisphosphonic acid (2-3 Na:1)
    Constituent 2
    Reference substance name:
    HEDP condensates, sodium salts
    Molecular formula:
    Not available
    IUPAC Name:
    HEDP condensates, sodium salts
    Constituent 3
    Chemical structure
    Reference substance name:
    Sodium hydrogen phosphonate
    EC Number:
    237-707-0
    EC Name:
    Sodium hydrogen phosphonate
    CAS Number:
    13933-52-3
    Molecular formula:
    NaH2PO3 or H2NaO3P or H3O3P.Na
    IUPAC Name:
    Sodium hydrogen phosphonate
    Constituent 4
    Chemical structure
    Reference substance name:
    Sodium dihydrogenorthophosphate
    EC Number:
    231-449-2
    EC Name:
    Sodium dihydrogenorthophosphate
    CAS Number:
    7558-80-7
    Molecular formula:
    NaH2PO4 or H2NaO4P or H3O4P.Na
    IUPAC Name:
    sodium dihydrogen phosphate
    Constituent 5
    Chemical structure
    Reference substance name:
    Sodium chloride
    EC Number:
    231-598-3
    EC Name:
    Sodium chloride
    CAS Number:
    7647-14-5
    Molecular formula:
    ClNa
    IUPAC Name:
    Sodium chloride
    Constituent 6
    Chemical structure
    Reference substance name:
    Sodium acetate
    EC Number:
    204-823-8
    EC Name:
    Sodium acetate
    CAS Number:
    127-09-3
    Molecular formula:
    C2H4O2.Na
    IUPAC Name:
    Sodium acetate
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Sodium Salts of (1-Hydroxyethylidene)bisphosphonic acid (2-3 Na:1)
    EC Number:
    701-238-4
    CAS Number:
    29329-71-3
    Molecular formula:
    HEDP-2Na C2H6Na2O7P2 HEDP-3Na C2H5Na3O7P2
    IUPAC Name:
    Sodium Salts of (1-Hydroxyethylidene)bisphosphonic acid (2-3 Na:1)
    Constituent 2
    Reference substance name:
    HEDP condensates, sodium salts
    Molecular formula:
    Not applicable
    IUPAC Name:
    HEDP condensates, sodium salts
    Constituent 3
    Chemical structure
    Reference substance name:
    Sodium hydrogen phosphonate
    EC Number:
    237-707-0
    EC Name:
    Sodium hydrogen phosphonate
    CAS Number:
    13933-52-3
    Molecular formula:
    NaH2PO3 or H2NaO3P or H3O3P.Na
    IUPAC Name:
    Sodium hydrogen phosphonate
    Constituent 4
    Chemical structure
    Reference substance name:
    Sodium dihydrogenorthophosphate
    EC Number:
    231-449-2
    EC Name:
    Sodium dihydrogenorthophosphate
    CAS Number:
    7558-80-7
    Molecular formula:
    NaH2PO4 or H2NaO4P or H3O4P.Na
    IUPAC Name:
    sodium dihydrogen phosphate
    Constituent 5
    Chemical structure
    Reference substance name:
    Sodium chloride
    EC Number:
    231-598-3
    EC Name:
    Sodium chloride
    CAS Number:
    7647-14-5
    Molecular formula:
    ClNa
    IUPAC Name:
    Sodium chloride
    Constituent 6
    Chemical structure
    Reference substance name:
    Sodium acetate
    EC Number:
    204-823-8
    EC Name:
    Sodium acetate
    CAS Number:
    127-09-3
    Molecular formula:
    C2H4O2.Na
    IUPAC Name:
    Sodium acetate

    Legal Entity Composition(s) open all close all

    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Sodium Salts of (1-Hydroxyethylidene)bisphosphonic acid (2-3 Na:1)
    EC Number:
    701-238-4
    CAS Number:
    29329-71-3
    Molecular formula:
    HEDP-2Na C2H6Na2O7P2 HEDP-3Na C2H5Na3O7P2
    IUPAC Name:
    Sodium Salts of (1-Hydroxyethylidene)bisphosphonic acid (2-3 Na:1)
    Constituent 2
    Chemical structure
    Reference substance name:
    Sodium hydrogen phosphonate
    EC Number:
    237-707-0
    EC Name:
    Sodium hydrogen phosphonate
    CAS Number:
    13933-52-3
    Molecular formula:
    NaH2PO3 or H2NaO3P or H3O3P.Na
    IUPAC Name:
    Sodium hydrogen phosphonate
    Constituent 3
    Chemical structure
    Reference substance name:
    Sodium dihydrogenorthophosphate
    EC Number:
    231-449-2
    EC Name:
    Sodium dihydrogenorthophosphate
    CAS Number:
    7558-80-7
    Molecular formula:
    NaH2PO4 or H2NaO4P or H3O4P.Na
    IUPAC Name:
    sodium dihydrogen phosphate
    Constituent 4
    Chemical structure
    Reference substance name:
    Sodium chloride
    EC Number:
    231-598-3
    EC Name:
    Sodium chloride
    CAS Number:
    7647-14-5
    Molecular formula:
    ClNa
    IUPAC Name:
    Sodium chloride
    Constituent 5
    Chemical structure
    Reference substance name:
    Sodium acetate
    EC Number:
    204-823-8
    EC Name:
    Sodium acetate
    CAS Number:
    127-09-3
    Molecular formula:
    C2H4O2.Na
    IUPAC Name:
    Sodium acetate
    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-hydroxyethylidene)bisphosphonic acid
    Constituent 2
    Chemical structure
    Reference substance name:
    Sodium dihydrogenorthophosphate
    EC Number:
    231-449-2
    EC Name:
    Sodium dihydrogenorthophosphate
    CAS Number:
    7558-80-7
    Molecular formula:
    NaH2PO4 or H2NaO4P or H3O4P.Na
    IUPAC Name:
    sodium dihydrogen phosphate
    Constituent 3
    Chemical structure
    Reference substance name:
    Sodium acetate
    EC Number:
    204-823-8
    EC Name:
    Sodium acetate
    CAS Number:
    127-09-3
    Molecular formula:
    C2H4O2.Na
    IUPAC Name:
    Sodium acetate
    Constituent 4
    Chemical structure
    Reference substance name:
    Sodium hydrogen phosphonate
    EC Number:
    237-707-0
    EC Name:
    Sodium hydrogen phosphonate
    CAS Number:
    13933-52-3
    Molecular formula:
    NaH2PO3 or H2NaO3P or H3O3P.Na
    IUPAC Name:
    Sodium hydrogen phosphonate
    Constituent 5
    Chemical structure
    Reference substance name:
    Sodium chloride
    EC Number:
    231-598-3
    EC Name:
    Sodium chloride
    CAS Number:
    7647-14-5
    Molecular formula:
    ClNa
    IUPAC Name:
    Sodium chloride