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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
Tetrasodium 4-amino-5-hydroxy-3,6-bis[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
EC Number:
241-164-5
EC Name:
Tetrasodium 4-amino-5-hydroxy-3,6-bis[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
CAS Number:
17095-24-8
Molecular formula:
C26H25N5O19S6.4Na
IUPAC Name:
tetrasodium 4-amino-5-hydroxy-3,6-bis[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate

Type of Substance

Composition:
mono-constituent substance
Origin:
organic

Substance Identifiers open all close all

  • Reactive black 5
  • Jalkazol Black- B
  • Compositions

    Boundary Composition(s)

    Legal Entity Composition(s) open all close all

    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Tetrasodium 4-amino-5-hydroxy-3,6-bis[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
    EC Number:
    241-164-5
    EC Name:
    Tetrasodium 4-amino-5-hydroxy-3,6-bis[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
    CAS Number:
    17095-24-8
    Molecular formula:
    C26H25N5O19S6.4Na
    IUPAC Name:
    tetrasodium 4-amino-5-hydroxy-3,6-bis[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    tetrasodium 4-amino-5-hydroxy-3,6-bis[(E)-2-{4-[2-(sulfonatooxy)ethanesulfonyl]phenyl}diazen-1-yl]naphthalene-2,7-disulfonate
    Molecular formula:
    C26H25N5O19S6.4Na
    IUPAC Name:
    tetrasodium 4-amino-5-hydroxy-3,6-bis[(E)-2-{4-[2-(sulfonatooxy)ethanesulfonyl]phenyl}diazen-1-yl]naphthalene-2,7-disulfonate
    Constituent 2
    Chemical structure
    Reference substance name:
    trisodium 4-amino-6-[(E)-2-[4-(ethenesulfonyl)phenyl]diazen-1-yl]-5-hydroxy-3-[(E)-2-{4-[2-(sulfonatooxy)ethanesulfonyl]phenyl}diazen-1-yl]naphthalene-2,7-disulfonate
    Molecular formula:
    C26H20N5O15S5.3Na
    IUPAC Name:
    trisodium 4-amino-6-[(E)-2-[4-(ethenesulfonyl)phenyl]diazen-1-yl]-5-hydroxy-3-[(E)-2-{4-[2-(sulfonatooxy)ethanesulfonyl]phenyl}diazen-1-yl]naphthalene-2,7-disulfonate
    Constituent 3
    Chemical structure
    Reference substance name:
    trisodium 4-amino-5-hydroxy-3,6-bis[(E)-2-{4-[2-(sulfonatooxy)ethanesulfonyl]phenyl}diazen-1-yl]naphthalene-2-sulfonate
    Molecular formula:
    C26H22N5O16S5.3Na
    IUPAC Name:
    trisodium 4-amino-5-hydroxy-3,6-bis[(E)-2-{4-[2-(sulfonatooxy)ethanesulfonyl]phenyl}diazen-1-yl]naphthalene-2-sulfonate
    Constituent 4
    Chemical structure
    Reference substance name:
    Sodium 2-[(4-aminophenyl)sulfonyl]ethyl sulfate
    CAS Number:
    15764-73-5
    Molecular formula:
    C8H10NNaO6S2
    IUPAC Name:
    Sodium 2-[(4-aminophenyl)sulfonyl]ethyl sulfate
    Constituent 5
    Chemical structure
    Reference substance name:
    Sodium sulphate
    EC Number:
    231-820-9
    EC Name:
    Sodium sulphate
    CAS Number:
    7757-82-6
    Molecular formula:
    Na2SO4
    IUPAC Name:
    Disodium sulfate
    Constituent 6
    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 7
    Chemical structure
    Reference substance name:
    Water
    EC Number:
    231-791-2
    EC Name:
    Water
    CAS Number:
    7732-18-5
    Molecular formula:
    H2O
    IUPAC Name:
    oxidane
    Constituent 8
    Chemical structure
    Reference substance name:
    Sodium nitrate
    EC Number:
    231-554-3
    EC Name:
    Sodium nitrate
    CAS Number:
    7631-99-4
    Molecular formula:
    NO3Na
    IUPAC Name:
    sodium nitrate
    Constituent 9
    Reference substance name:
    not available
    Molecular formula:
    not available
    IUPAC Name:
    not available

    Composition(s) generated upon use

    Other types of composition(s)