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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
disodium 6-((E)-(2,4-dihydroxy-3-((E)-(2-hydroxy-3-nitro-5-sulfonatophenyl)diazenyl)phenyl)diazenyl)-4-hydroxy-3-((E)-(4-nitrophenyl)diazenyl)naphthalene-2-sulfonate

Inventory

EC number:
229-363-5
EC name:
Disodium 6-[[2,4-dihydroxy-3-[(2-hydroxy-3-nitro-5-sulphonatophenyl)azo]phenyl]azo]-4-hydroxy-3-[(4-nitrophenyl)azo]naphthalene-2-sulphonate
CAS number:
6487-05-4
CAS number:
6487-05-4
Synonyms
Names:
Identifier:
IUPAC name
2-Naphthalenesulfonic acid, 6-[[2,4-dihydroxy-3-[(2-hydroxy-3-nitro-5-sulfophenyl)azo]phenyl]azo]-4-hydroxy-3-[(4-nitrophenyl)azo]-, disodium salt
Identifier:
other: Molecular formula
C28H18N8O14S2.2Na

Molecular and structural information

Molecular formula:
C28H16N8Na2O14S2
Molecular weight:
ca. 798.58
SMILES notation:
OC1=C2C(C=CC(/N=N/C3=C(O)C(/N=N/C4=C(O)C([N+]([O-])=O)=CC(S(=O)(O[Na])=O)=C4)=C(O)C=C3)=C2)=CC(S(=O)(O[Na])=O)=C1/N=N/C5=CC=C([N+]([O-])=O)C=C5
Structural formula:
Chemical structure

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