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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Reference substances

Reference substances

Currently viewing:
IUPAC name:
hexasodium 6-amino-3-[(1E)-2-{7-[(1E)-2-{4-[(1E)-2-(4-amino-2-hydroxy-6-sulfonatonaphthalen-1-yl)diazen-1-yl]phenyl}diazen-1-yl]-8-hydroxy-6-sulfonatonaphthalen-2-yl}diazen-1-yl]-4-hydroxynaphthalene-2-sulfonate 6-amino-3-[(1E)-2-{7-[(1E)-2-{4-[(1E)-2-(4-amino-6-sulfonatonaphthalen-1-yl)diazen-1-yl]phenyl}diazen-1-yl]-8-hydroxy-6-sulfonatonaphthalen-2-yl}diazen-1-yl]-4-hydroxynaphthalene-2-sulfonate

Inventory

Synonyms
Names:
Direct Black 80
Identifier:
IUPAC name
hexasodium 6-amino-3-[(1E)-2-{7-[(1E)-2-{4-[(1E)-2-(4-amino-2-hydroxy-6-sulfonatonaphthalen-1-yl)diazen-1-yl]phenyl}diazen-1-yl]-8-hydroxy-6-sulfonatonaphthalen-2-yl}diazen-1-yl]-4-hydroxynaphthalene-2-sulfonate 6-amino-3-[(1E)-2-{7-[(1E)-2-{4-[(1E)-2-(4-amino-6-sulfonatonaphthalen-1-yl)diazen-1-yl]phenyl}diazen-1-yl]-8-hydroxy-6-sulfonatonaphthalen-2-yl}diazen-1-yl]-4-hydroxynaphthalene-2-sulfonate
Identifier:
IUPAC name
hexasodium 6-amino-3-[(E)-2-{7-[(E)-2-{4-[(E)-2-(4-amino-2-hydroxy-6-sulfonatonaphthalen-1-yl)diazen-1-yl]phenyl}diazen-1-yl]-8-hydroxy-6-sulfonatonaphthalen-2-yl}diazen-1-yl]-4-hydroxynaphthalene-2-sulfonate 6-amino-3-[(E)-2-{7-[(E)-2-{4-[(E)-2-(4-amino-6-sulfonatonaphthalen-1-yl)diazen-1-yl]phenyl}diazen-1-yl]-8-hydroxy-6-sulfonatonaphthalen-2-yl}diazen-1-yl]-4-hydroxynaphthalene-2-sulfonate
Identifier:
IUPAC name
reaction products of diazotized p-aminoacetanilide, coupled with 6-amino-4-hydroxynaphthalene-2-sulfonic acid, subsequently diazotized and coupled with 8-aminonaphthalene-2-sulfonic acid/5-aminonaphthalene-2-sulfonic acid and 6-amino-4-hydroxynaphthalene-2-sulfonic acid, sodium salts
Identifier:
other: Molecular formula
C72H46N16Na6O23S6
Identifier:
other: Molecular formula
Not applicable
Identifier:
other: Molecular formula
Not applicable for UVCB
Identifier:
other: SMILES notation
Not applicable for UVCB
Identifier:
other: InChl
Not applicable for UVCB
Identifier:
other: SMILES notation
[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].NC1=CC2=C(C=C1)C=C(C(\N=N\C1=CC3=C(C=C1)C=C(C(\N=N\C1=CC=C(C=C1)\N=N\C1=CC=C(N)C4=C1C=CC(=C4)S([O-])(=O)=O)=C3O)S([O-])(=O)=O)=C2O)S([O-])(=O)=O.NC1=CC2=C(C=C1)C=C(C(\N=N\C1=CC3=C(C=C1)C=C(C(\N=N\C1=CC=C(C=C1)\N=N\C1=C(O)C=C(N)C4=C1C=CC(=C4)S([O-])(=O)=O)=C3O)S([O-])(=O)=O)=C2O)S([O-])(=O)=O
reaction products of diazotized p-amino-acetanilide, coupled with 6-amino-4-hydroxynaphthalene-2-sulfonic acid, subsequently coupled with diazotized 8- aminonaphthalene-2-sulfonic acid and 6-amino-4-hydroxynaphthalene-2-sulfonic acid, sodium salts

Molecular and structural information

Molecular formula:
not applicable
Molecular weight:
935.8
SMILES notation:
not applicable
InChl:
not applicable

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