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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
reaction mass of: 7-amino-3,8-bis-[4-(2-sulfoxyethylsulfonyl)phenylazo]-4- hydroxynaphthalene-2-sulfonic acid, Na/K salt; 7-amino-3-[4-(2-sulfoxyethylsulfonyl)phenylazo]-4-hydroxy-8-[4-(2-sulfoxyethylsulfonyl)-2- sulfophenylazo]naphthalene-2-sulfonic acid, Na/K salt; 7-amino-8-[4-(2-sulfoxyethylsulfonyl)-phenylazo]-4-hydroxy-3-[4-(2-sulfoxyethylsulfonyl)- 2-sulfophenylazo]naphthalene-2-sulfonic acid, Na/K salt; 7-amino-3,8-bis-[4-(2-sulfoxyethylsulfonyl)-2-sulfophenylazo]-4-hydroxynaphthalene-2- sulfonic acid, Na/K salt
EC Number:
429-070-4
EC Name:
reaction mass of: 7-amino-3,8-bis-[4-(2-sulfoxyethylsulfonyl)phenylazo]-4- hydroxynaphthalene-2-sulfonic acid, Na/K salt; 7-amino-3-[4-(2-sulfoxyethylsulfonyl)phenylazo]-4-hydroxy-8-[4-(2-sulfoxyethylsulfonyl)-2- sulfophenylazo]naphthalene-2-sulfonic acid, Na/K salt; 7-amino-8-[4-(2-sulfoxyethylsulfonyl)-phenylazo]-4-hydroxy-3-[4-(2-sulfoxyethylsulfonyl)- 2-sulfophenylazo]naphthalene-2-sulfonic acid, Na/K salt; 7-amino-3,8-bis-[4-(2-sulfoxyethylsulfonyl)-2-sulfophenylazo]-4-hydroxynaphthalene-2- sulfonic acid, Na/K salt
CAS Number:
214362-06-8
Molecular formula:
C26H(25-y-x)KyN5NaxO16S5 / C26H(25-y-x)KyN5NaxO19S6 / C26H(25-y-x)KyN5NaxO19S6 / C26H(25-y-x)KyN5NaxO22S7
IUPAC Name:
octapotassium octasodium 7-amino-4-hydroxy-3,8-bis(2-{2-sulfonato-4-[2-(sulfonatooxy)ethanesulfonyl]phenyl}diazen-1-yl)naphthalene-2-sulfonate 7-amino-4-hydroxy-3,8-bis(2-{4-[2-(sulfonatooxy)ethanesulfonyl]phenyl}diazen-1-yl)naphthalene-2-sulfonate 7-amino-4-hydroxy-3-(2-{2-sulfonato-4-[2-(sulfonatooxy)ethanesulfonyl]phenyl}diazen-1-yl)-8-(2-{4-[2-(sulfonatooxy)ethanesulfonyl]phenyl}diazen-1-yl)naphthalene-2-sulfonate 7-amino-4-hydroxy-8-(2-{2-sulfonato-4-[2-(sulfonatooxy)ethanesulfonyl]phenyl}diazen-1-yl)-3-(2-{4-[2-(sulfonatooxy)ethanesulfonyl]phenyl}diazen-1-yl)naphthalene-2-sulfonate

Type of Substance

Composition:
multi-constituent substance
Origin:
organic

Substance Identifiers open all close all

  • 429-070-4
  • 214362-06-8
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    solid: particulate/powder


    Constituent 1
    Reference substance name:
    7-Amino-3,8-bis-[4-(2-sulfooxyethyl-sulfonyl)-phenylazo]-4-hydroxy-naphthalene-2-sulfonic acid, Na/K salt
    CAS Number:
    1398101-78-4
    Molecular formula:
    CAS formula: C26 H25 N5 O16 S5 · x Na y K
    IUPAC Name:
    7-Amino-3,8-bis-[4-(2-sulfooxyethyl-sulfonyl)-phenylazo]-4-hydroxy-naphthalene-2-sulfonic acid, Na/K salt
    Constituent 2
    Reference substance name:
    7-amino-3-[4-(2-sulfooxyethylsulfonyl)phenylazo]-4-hydroxy-8-[4-(2-sulfooxyethylsulfonyl)-2-sulfophenylazo]naphthalene-2-sulfonic acid, Na/K salt
    CAS Number:
    1398101-47-7
    Molecular formula:
    CAS formula: C26 H25 N5 O19 S6 · x Na y K
    IUPAC Name:
    7-amino-3-[4-(2-sulfooxyethylsulfonyl)phenylazo]-4-hydroxy-8-[4-(2-sulfooxyethylsulfonyl)-2-sulfophenylazo]naphthalene-2-sulfonic acid, Na/K salt
    Constituent 3
    Reference substance name:
    7-amino-8-[4-(2-sulfooxyethylsulfonyl)-phenylazo]-4-hydroxy-3-[4-(2-sulfooxyethylsulfonyl)-2-sulfophenylazo]naphthalene-2-sulfonic acid, Na/K salt
    CAS Number:
    1398101-52-4
    Molecular formula:
    CAS formula: C26 H25 N5 O19 S6 · x Na y K
    IUPAC Name:
    7-amino-8-[4-(2-sulfooxyethylsulfonyl)-phenylazo]-4-hydroxy-3-[4-(2-sulfooxyethylsulfonyl)-2-sulfophenylazo]naphthalene-2-sulfonic acid, Na/K salt
    Constituent 4
    Reference substance name:
    7-amino-3,8-bis-[4-(2-sulfooxyethylsulfonyl)-2-sulfophenylazo]-4-hydroxynaphthalene-2-sulfonic acid, Na/K salt
    CAS Number:
    1398101-35-3
    Molecular formula:
    CAS formula: C26 H25 N5 O22 S7 · x Na y K
    IUPAC Name:
    7-amino-3,8-bis-[4-(2-sulfooxyethylsulfonyl)-2-sulfophenylazo]-4-hydroxynaphthalene-2-sulfonic acid, Na/K salt
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    7-Amino-3,8-bis-[4-(2-sulfoxyethyl-sulfonyl)-phenylazo]-4-hydroxy- naphthalene-2-sulfonic acid, Na/K salt
    CAS Number:
    1398101-78-4
    Molecular formula:
    CAS formula: C26 H25 N5 O16 S5 · x Na y K
    IUPAC Name:
    7-Amino-3,8-bis-[4-(2-sulfoxyethyl-sulfonyl)-phenylazo]-4-hydroxy- naphthalene-2-sulfonic acid, Na/K salt
    Constituent 2
    Chemical structure
    Reference substance name:
    7-amino-3-[4-(2-sulfoxyethylsulfonyl)phenylazo]-4-hydroxy-8-[4-(2-sulfoxyethylsulfonyl)-2-sulfophenylazo]naphthalene-2-sulfonic acid, Na/K salt
    CAS Number:
    1398101-47-7
    Molecular formula:
    CAS formula: C26 H25 N5 O19 S6 · x Na y K
    IUPAC Name:
    7-amino-3-[4-(2-sulfoxyethylsulfonyl)phenylazo]-4-hydroxy-8-[4-(2-sulfoxyethylsulfonyl)-2-sulfophenylazo]naphthalene-2-sulfonic acid, Na/K salt
    Constituent 3
    Chemical structure
    Reference substance name:
    7-amino-8-[4-(2-sulfoxyethylsulfonyl)-phenylazo]-4-hydroxy-3-[4-(2-sulfoxyethylsulfonyl)-2-sulfophenylazo]naphthalene-2-sulfonic acid, Na/K salt
    CAS Number:
    1398101-52-4
    Molecular formula:
    CAS formula: C26 H25 N5 O19 S6 · x Na y K
    IUPAC Name:
    7-amino-8-[4-(2-sulfoxyethylsulfonyl)-phenylazo]-4-hydroxy-3-[4-(2-sulfoxyethylsulfonyl)-2-sulfophenylazo]naphthalene-2-sulfonic acid, Na/K salt
    Constituent 4
    Chemical structure
    Reference substance name:
    7-amino-3,8-bis-[4-(2-sulfoxyethylsulfonyl)-2-sulfophenylazo]-4-hydroxynaphthalene-2-sulfonic acid, Na/K salt
    CAS Number:
    1398101-35-3
    Molecular formula:
    CAS formula: C26 H25 N5 O22 S7 · x Na y K
    IUPAC Name:
    7-amino-3,8-bis-[4-(2-sulfoxyethylsulfonyl)-2-sulfophenylazo]-4-hydroxynaphthalene-2-sulfonic acid, Na/K salt

    Legal Entity Composition(s) open all close all

    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Sodium, potassium 7-amino-4-hydroxy-3,8-bis[(4-{[2-(sulfooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2-sulfonic acid
    CAS Number:
    1398101-35-3
    Molecular formula:
    C26H(25-y-x)KyN5NaxO16S5
    IUPAC Name:
    Sodium, potassium 7-amino-4-hydroxy-3,8-bis[(4-{[2-(sulfooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2-sulfonic acid
    Constituent 2
    Chemical structure
    Reference substance name:
    Sodium, potassium 7-amino-4-hydroxy-3-[(4-{[2-(sulfooxy)ethyl]sulfonyl}phenyl)diazenyl]-8-[(2-sulfo-4-{[2-(sulfooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2-sulfonic acid
    CAS Number:
    1398101-47-7
    Molecular formula:
    C26H(25-y-x)KyN5NaxO19S6
    IUPAC Name:
    Sodium, potassium 7-amino-4-hydroxy-3-[(4-{[2-(sulfooxy)ethyl]sulfonyl}phenyl)diazenyl]-8-[(2-sulfo-4-{[2-(sulfooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2-sulfonic acid
    Constituent 3
    Chemical structure
    Reference substance name:
    Sodium, potassium 7-amino-4-hydroxy-8-[(4-{[2-(sulfooxy)ethyl]sulfonyl}phenyl)diazenyl]-3-[(2-sulfo-4-{[2-(sulfooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2-sulfonic acid
    CAS Number:
    1398101-52-4
    Molecular formula:
    C26H(25-y-x)KyN5NaxO19S6
    IUPAC Name:
    Sodium, potassium 7-amino-4-hydroxy-8-[(4-{[2-(sulfooxy)ethyl]sulfonyl}phenyl)diazenyl]-3-[(2-sulfo-4-{[2-(sulfooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2-sulfonic acid
    Constituent 4
    Chemical structure
    Reference substance name:
    Sodium, potassium 7-amino-4-hydroxy-3,8-bis[(2-sulfo-4-{[2-(sulfooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2-sulfonic acid
    CAS Number:
    1398101-78-4
    Molecular formula:
    C26H(25-y-x)KyN5NaxO22S7
    IUPAC Name:
    Sodium, potassium 7-amino-4-hydroxy-3,8-bis[(2-sulfo-4-{[2-(sulfooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2-sulfonic acid
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    7-Amino-3,8-bis-[4-(2-sulfooxyethyl-sulfonyl)-phenylazo]-4-hydroxy-naphthalene-2-sulfonic acid, Na/K salt
    CAS Number:
    1398101-78-4
    Molecular formula:
    CAS formula: C26 H25 N5 O16 S5 · x Na y K
    IUPAC Name:
    7-Amino-3,8-bis-[4-(2-sulfooxyethyl-sulfonyl)-phenylazo]-4-hydroxy-naphthalene-2-sulfonic acid, Na/K salt
    Constituent 2
    Chemical structure
    Reference substance name:
    7-amino-3-[4-(2-sulfooxyethylsulfonyl)phenylazo]-4-hydroxy-8-[4-(2-sulfooxyethylsulfonyl)-2-sulfophenylazo]naphthalene-2-sulfonic acid, Na/K salt
    CAS Number:
    1398101-47-7
    Molecular formula:
    CAS formula: C26 H25 N5 O19 S6 · x Na y K
    IUPAC Name:
    7-amino-3-[4-(2-sulfooxyethylsulfonyl)phenylazo]-4-hydroxy-8-[4-(2-sulfooxyethylsulfonyl)-2-sulfophenylazo]naphthalene-2-sulfonic acid, Na/K salt
    Constituent 3
    Chemical structure
    Reference substance name:
    7-amino-8-[4-(2-sulfooxyethylsulfonyl)-phenylazo]-4-hydroxy-3-[4-(2-sulfooxyethylsulfonyl)-2-sulfophenylazo]naphthalene-2-sulfonic acid, Na/K salt
    CAS Number:
    1398101-52-4
    Molecular formula:
    CAS formula: C26 H25 N5 O19 S6 · x Na y K
    IUPAC Name:
    7-amino-8-[4-(2-sulfooxyethylsulfonyl)-phenylazo]-4-hydroxy-3-[4-(2-sulfooxyethylsulfonyl)-2-sulfophenylazo]naphthalene-2-sulfonic acid, Na/K salt
    Constituent 4
    Chemical structure
    Reference substance name:
    7-amino-3,8-bis-[4-(2-sulfooxyethylsulfonyl)-2-sulfophenylazo]-4-hydroxynaphthalene-2-sulfonic acid, Na/K salt
    CAS Number:
    1398101-35-3
    Molecular formula:
    CAS formula: C26 H25 N5 O22 S7 · x Na y K
    IUPAC Name:
    7-amino-3,8-bis-[4-(2-sulfooxyethylsulfonyl)-2-sulfophenylazo]-4-hydroxynaphthalene-2-sulfonic acid, Na/K salt
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-8-[2-[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]diazenyl]-3-[2-[2-sulfo-4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]diazenyl]-, Na/K salt
    CAS Number:
    1398101-52-4
    Molecular formula:
    C26H25N5O19S6. xNa yK
    IUPAC Name:
    2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-8-[2-[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]diazenyl]-3-[2-[2-sulfo-4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]diazenyl]-, Na/K salt
    Constituent 2
    Chemical structure
    Reference substance name:
    7-amino-4-hydroxy-3,8-bis((E)-(4-((2-(sulfooxy)ethyl)sulfonyl)phenyl)diazenyl) naphthalene-2-sulfonic acid, Na/K salt
    CAS Number:
    1398101-35-3
    Molecular formula:
    C26H25N5O16S5 xNa yK
    IUPAC Name:
    7-amino-4-hydroxy-3,8-bis((E)-(4-((2-(sulfooxy)ethyl)sulfonyl)phenyl)diazenyl) naphthalene-2-sulfonic acid, Na/K salt
    Constituent 3