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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
7-amino-4-hydroxy-3-[(1E)-2-{2-methoxy-5-methyl-4-[2-(sulfooxy)ethanesulfonyl]phenyl}diazen-1-yl]-8-[(1E)-2-{2-sulfo-4-[2-(sulfooxy)ethanesulfonyl]phenyl}diazen-1-yl]naphthalene-2-sulfonic acid 7-amino-8-[(1E)-2-[4-(ethenesulfonyl)-2-sulfophenyl]diazen-1-yl]-4-hydroxy-3-[(1E)-2-{2-methoxy-5-methyl-4-[2-(sulfooxy)ethanesulfonyl]phenyl}diazen-1-yl]naphthalene-2-sulfonic acid dipotassium hydride disodium hydride

Inventory

EC number:
445-040-3
EC name:
-
CAS number:
-
Description:
RED TZ 5271
CAS number:
577954-20-2
Synonyms
Names:
Identifier:
IUPAC name
2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-8-[2-[2-sulfo-4-[[2-(sulfooxy)ethyl]sufonyl]phenyl]diazenyl]-, potassium sodium salt, coupled with diazotized 2-[(4-amino-5-methoxy-2-methylphenyl)sulfonyl]ethyl hydrogen sulfate
Identifier:
IUPAC name
Reaction mass of 6-Amino-5-[2-sulfo-4-[2-(sulfooxy)ethyl]sulfonyl]phenylazo]-1-hydroxy-2-[2-methoxy-5-methyl- ([2-(sulfooxy)ethyl]phenylazo]naphthalene-sulfonic acid, potassium/sodium salt and 6-Amino-1-hydroxy-2-[2-methoxy-5-methyl-2-(ethenesulfonyl)phenylazo]-5-[2-sulfo-4-[2-(ethenesulfonyl)]phenylazo]naphthalene-sulfonic acid, potassium/sodium salt
Identifier:
IUPAC name
Reaction mass of 6-Amino-5-(4-substituted-sulfophenylazo)-1-hydroxy-2-[2-alkoxy-5-alkyl- (substitutedsulfonyl)-phenylazo]-naphthalene-sulfonic acid, potassium/sodium salt and 6-Amino-1-hydroxy-2-[2-alkoxy-5-alkyl- (substitutedsulfonyl)-phenylazo]-5-[sulfo- (substitutedsulfonyl)-phenylazo]-naphthalene-sulfonic acid, potassium/sodium salt
Identifier:
other: Molecular formula
C28H25K2N5Na2O20S6 C28H24KN5Na2O16S5
Identifier:
other: Molecular formula
C28H29N5O20S6 . x K . x Na x=0~4 C28H27N5O16S5 . x K . x Na x=0~3
Identifier:
other: SMILES notation
NA
Reaction mass of 2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-[[2-methoxy-5-methyl-4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-8-[[2-sulfo-4-[[2- (sulfooxy)ethyl]sulfonyl]phenyl]azo]-, potassium sodium salt and 2-Naphthalenesulfonic acid, 7-amino-8-[2-[4-(ethenylsulfonyl)-2-sulfophenyl]diazenyl]-4-hydroxy-3-[[2-methoxy-5-methyl-4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]diazenyl]-, potassium sodium salt

Molecular and structural information

Molecular formula:
C28 H27 N5 O16 S5 . x K . x Na x=0 ~ 3 - C28 H29 N5 O20 S6 . x K . x Na x=0 ~ 4
Molecular weight:
ca. 915.8 - ca. 1 100.3
SMILES notation:
[Na+].[K+].COc1cc(c(C)cc1N=Nc2c(O)c3ccc(N)c(N=Nc4ccc(cc4S(=O)(=O)O)S(=O)(=O)CCOS(=O)(=O)O)c3cc2S(=O)(=O)O)S(=O)(=O)CCOS(=O)(=O)O.COc5cc(c(C)cc5N=Nc6c(O)c7ccc(N)c(N=Nc8ccc(cc8S(=O)(=O)O)S(=O)(=O)C=C)c7cc6S(=O)(=O)O)S(=O)(=O)CCOS(=O)(=O)O
InChl:
NA
Structural formula:
Chemical structure

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