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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
Disodium tetraborate, anhydrous
EC Number:
215-540-4
EC Name:
Disodium tetraborate, anhydrous
CAS Number:
1330-43-4
Molecular formula:
Na2B4O7
IUPAC Name:
disodium bicyclo[3.3.1]tetraboroxane-3,7-bis(olate)

Type of Substance

Composition:
mono-constituent substance
Origin:
inorganic

Substance Identifiers open all close all

  • Decahydrate Borax
  • PYROBOR Dehydrated Borax
  • V-Bor Pentahydrate Borax
  • Borax
  • Borax 10 mol
  • Borax 5 mol
  • Borax anhydrous / Borax pentahydrate
  • Dehybor
  • Disodium Tetraborate Decahydrate PH Granular (Borax Decahydrate PH Granular)
  • Disodium Tetraborate Decahydrate Technical Granular (Borax Decahydrate Technical Granular)
  • Disodium Tetraborate Pentahydrate Technical Grade Granular (Borax Pentahydrate Technical Grade Granular)
  • Etibor-48
  • Etibor-68
  • Fertibor
  • Neobor
  • Vitroc
  • borax
  • borax anhydrous
  • borax decahydrate
  • borax pentahydrate
  • disodium tetraborate anhydrous
  • disodium tetraborate decahydrate
  • disodium tetraborate pentahydrate
  • sodium borate anhydrous
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Disodium tetraborate, anhydrous
    EC Number:
    215-540-4
    EC Name:
    Disodium tetraborate, anhydrous
    CAS Number:
    1330-43-4
    Molecular formula:
    Na2B4O7
    IUPAC Name:
    disodium bicyclo[3.3.1]tetraboroxane-3,7-bis(olate)
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Disodium tetraborate, anhydrous
    EC Number:
    215-540-4
    EC Name:
    Disodium tetraborate, anhydrous
    CAS Number:
    1330-43-4
    Molecular formula:
    Na2B4O7
    IUPAC Name:
    disodium bicyclo[3.3.1]tetraboroxane-3,7-bis(olate)
    State Form:
    solid: bulk


    Constituent 1
    Reference substance name:
    disodium tetraborate decahydrate
    IUPAC Name:
    disodium tetraborate decahydrate

    Legal Entity Composition(s) open all close all

    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Disodium tetraborate, anhydrous
    EC Number:
    215-540-4
    EC Name:
    Disodium tetraborate, anhydrous
    CAS Number:
    1330-43-4
    Molecular formula:
    Na2B4O7
    IUPAC Name:
    disodium bicyclo[3.3.1]tetraboroxane-3,7-bis(olate)
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Disodium tetraborate, anhydrous
    EC Number:
    215-540-4
    EC Name:
    Disodium tetraborate, anhydrous
    CAS Number:
    1330-43-4
    Molecular formula:
    Na2B4O7
    IUPAC Name:
    disodium bicyclo[3.3.1]tetraboroxane-3,7-bis(olate)
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Disodium tetraborate, anhydrous
    EC Number:
    215-540-4
    EC Name:
    Disodium tetraborate, anhydrous
    CAS Number:
    1330-43-4
    Molecular formula:
    Na2B4O7
    IUPAC Name:
    disodium bicyclo[3.3.1]tetraboroxane-3,7-bis(olate)
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Disodium tetraborate, anhydrous
    EC Number:
    215-540-4
    EC Name:
    Disodium tetraborate, anhydrous
    CAS Number:
    1330-43-4
    Molecular formula:
    Na2B4O7
    IUPAC Name:
    disodium bicyclo[3.3.1]tetraboroxane-3,7-bis(olate)
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Disodium tetraborate, anhydrous
    EC Number:
    215-540-4
    EC Name:
    Disodium tetraborate, anhydrous
    CAS Number:
    1330-43-4
    Molecular formula:
    Na2B4O7
    IUPAC Name:
    disodium bicyclo[3.3.1]tetraboroxane-3,7-bis(olate)
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Disodium tetraborate, anhydrous
    EC Number:
    215-540-4
    EC Name:
    Disodium tetraborate, anhydrous
    CAS Number:
    1330-43-4
    Molecular formula:
    Na2B4O7
    IUPAC Name:
    disodium bicyclo[3.3.1]tetraboroxane-3,7-bis(olate)
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Disodium tetraborate, anhydrous
    EC Number:
    215-540-4
    EC Name:
    Disodium tetraborate, anhydrous
    CAS Number:
    1330-43-4
    Molecular formula:
    Na2B4O7
    IUPAC Name:
    disodium bicyclo[3.3.1]tetraboroxane-3,7-bis(olate)
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    di-Natriumtetraborat-Decahydrat
    CAS Number:
    1303-96-4
    Molecular formula:
    Na2[B4O5(OH)4] · 8 H2O
    IUPAC Name:
    di-Natriumtetraborat-Decahydrat
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Disodium tetraborate, anhydrous
    EC Number:
    215-540-4
    EC Name:
    Disodium tetraborate, anhydrous
    CAS Number:
    1330-43-4
    Molecular formula:
    Na2B4O7
    IUPAC Name:
    disodium bicyclo[3.3.1]tetraboroxane-3,7-bis(olate)


    Constituent 1
    Chemical structure
    Reference substance name:
    Disodium tetraborate, anhydrous
    EC Number:
    215-540-4
    EC Name:
    Disodium tetraborate, anhydrous
    CAS Number:
    1330-43-4
    Molecular formula:
    Na2B4O7
    IUPAC Name:
    disodium bicyclo[3.3.1]tetraboroxane-3,7-bis(olate)


    Constituent 1
    Chemical structure
    Reference substance name:
    Disodium tetraborate, anhydrous
    EC Number:
    215-540-4
    EC Name:
    Disodium tetraborate, anhydrous
    CAS Number:
    1330-43-4
    Molecular formula:
    Na2B4O7
    IUPAC Name:
    disodium bicyclo[3.3.1]tetraboroxane-3,7-bis(olate)
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Disodium tetraborate, anhydrous
    EC Number:
    215-540-4
    EC Name:
    Disodium tetraborate, anhydrous
    CAS Number:
    1330-43-4
    Molecular formula:
    Na2B4O7
    IUPAC Name:
    disodium bicyclo[3.3.1]tetraboroxane-3,7-bis(olate)
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    disodium tetraborate, pentahydrate
    EC Number:
    601-808-1
    CAS Number:
    12179-04-3
    Molecular formula:
    B4Na2O7 •5H2O
    IUPAC Name:
    disodium tetraborate, pentahydrate


    Constituent 1
    Chemical structure
    Reference substance name:
    Disodium tetraborate, anhydrous
    EC Number:
    215-540-4
    EC Name:
    Disodium tetraborate, anhydrous
    CAS Number:
    1330-43-4
    Molecular formula:
    Na2B4O7
    IUPAC Name:
    disodium bicyclo[3.3.1]tetraboroxane-3,7-bis(olate)


    Constituent 1
    Chemical structure
    Reference substance name:
    disodium tetraborate decahydrate
    CAS Number:
    1303-96-4
    Molecular formula:
    Na2B4O7.10H2O
    IUPAC Name:
    disodium tetraborate decahydrate


    Constituent 1
    Chemical structure
    Reference substance name:
    Disodium tetraborate, anhydrous
    EC Number:
    215-540-4
    EC Name:
    Disodium tetraborate, anhydrous
    CAS Number:
    1330-43-4
    Molecular formula:
    Na2B4O7
    IUPAC Name:
    disodium bicyclo[3.3.1]tetraboroxane-3,7-bis(olate)
    Degree of purity:
    >= 99.5 - < 100 % (w/w)


    Constituent 1
    Chemical structure
    Reference substance name:
    Disodium tetraborate, anhydrous
    EC Number:
    215-540-4
    EC Name:
    Disodium tetraborate, anhydrous
    CAS Number:
    1330-43-4
    Molecular formula:
    Na2B4O7
    IUPAC Name:
    disodium bicyclo[3.3.1]tetraboroxane-3,7-bis(olate)
    Impurity 1
    Chemical structure
    Reference substance name:
    Sodium sulphate
    EC Number:
    231-820-9
    EC Name:
    Sodium sulphate
    CAS Number:
    7757-82-6
    Molecular formula:
    H2O4S.2Na
    IUPAC Name:
    disodium sulfate


    Constituent 1
    Chemical structure
    Reference substance name:
    di-Natriumtetraborat-Decahydrat
    CAS Number:
    1303-96-4
    Molecular formula:
    Na2[B4O5(OH)4] · 8 H2O
    IUPAC Name:
    di-Natriumtetraborat-Decahydrat


    Constituent 1
    Chemical structure
    Reference substance name:
    Di-Natriumborat-Pentahydrat
    CAS Number:
    12179-04-3
    Molecular formula:
    Na2B4O7·5H2O
    IUPAC Name:
    Di-Natriumborat-Pentahydrat


    Constituent 1
    Chemical structure
    Reference substance name:
    Disodium tetraborate, anhydrous
    EC Number:
    215-540-4
    EC Name:
    Disodium tetraborate, anhydrous
    CAS Number:
    1330-43-4
    Molecular formula:
    Na2B4O7
    IUPAC Name:
    disodium bicyclo[3.3.1]tetraboroxane-3,7-bis(olate)


    Constituent 1
    Chemical structure
    Reference substance name:
    Disodium tetraborate, anhydrous
    EC Number:
    215-540-4
    EC Name:
    Disodium tetraborate, anhydrous
    CAS Number:
    1330-43-4
    Molecular formula:
    Na2B4O7
    IUPAC Name:
    disodium bicyclo[3.3.1]tetraboroxane-3,7-bis(olate)
    Degree of purity:
    > 99 - <= 100 % (w/w)


    Constituent 1
    Chemical structure
    Reference substance name:
    Disodium tetraborate, anhydrous
    EC Number:
    215-540-4
    EC Name:
    Disodium tetraborate, anhydrous
    CAS Number:
    1330-43-4
    Molecular formula:
    Na2B4O7
    IUPAC Name:
    disodium bicyclo[3.3.1]tetraboroxane-3,7-bis(olate)
    Impurity 1
    Reference substance name:
    Disodium oxide
    EC Number:
    215-208-9
    EC Name:
    Disodium oxide
    CAS Number:
    1313-59-3
    Molecular formula:
    Na2O
    IUPAC Name:
    disodium oxygen(2-)
    Impurity 2
    Chemical structure
    Reference substance name:
    Diboron trioxide
    EC Number:
    215-125-8
    EC Name:
    Diboron trioxide
    CAS Number:
    1303-86-2
    Molecular formula:
    B2O3
    IUPAC Name:
    bicyclo[1.1.1]diboroxane


    Constituent 1
    Chemical structure
    Reference substance name:
    Disodium tetraborate, anhydrous
    EC Number:
    215-540-4
    EC Name:
    Disodium tetraborate, anhydrous
    CAS Number:
    1330-43-4
    Molecular formula:
    Na2B4O7
    IUPAC Name:
    disodium bicyclo[3.3.1]tetraboroxane-3,7-bis(olate)

    Composition(s) generated upon use

    Other types of composition(s)