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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Reference substances

Reference substances

Currently viewing:
IUPAC name:
Cuprate(4-), [2-[[[[2-hydroxy-3-sulfo-5-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]phenylmethyl]azo]-4-sulfobenzoato(6-)]-, sodium

Inventory

EC number:
291-103-1
EC name:
Cuprate(4-), [2-[[[[2-hydroxy-3-sulfo-5-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]phenylmethyl]azo]-4-sulfobenzoato(6-)]-, sodium
CAS number:
90341-71-2
CAS number:
90341-71-2
Synonyms
Names:
Identifier:
IUPAC name
Tetrasodium [2-{[{2-[2-(hydroxy-kO)-3-sulfo-5-{[2-(sulfooxy)ethyl]sulfonyl}phenyl]hydrazinylidene-kN2}(phenyl)methyl]diazenyl-kN1}-4-sulfobenzoato(6-)-kO]cuprate(4-)
Identifier:
IUPAC name
tetrasodium mono(2-((E)-(((E)-(2-oxido-3-sulfo-5-(2-(sulfonatooxy)ethylsulfonyl)phenyl)diazenyl)(phenyl)methyl)diazenyl)-4-sulfonatobenzoate (6-) cuprate(4-)
Identifier:
other: Molecular formula
C22H14CuN4O15S4
Identifier:
other: Molecular formula
C22H14CuN4O15S4 . x Na
Identifier:
other: Molecular formula
C22H14CuN4O15S4.4Na
Identifier:
other: Molecular formula
C22H15CuN4Na3O15S4
Identifier:
other: SMILES notation
[Na+].[Na+].[Na+].[O-]S(=O)(=O)OCCS(=O)(=O)C1=CC(=C2O[Cu]3OC(=O)C4=CC=C(C=C4\N=N\C(=N/N3C2=C1)\C1=CC=CC=C1)S([O-])(=O)=O)S([O-])(=O)=O
Identifier:
other: SMILES notation
[Na+].[Na+].[Na+].[O-]S(=O)(=O)OCCS(=O)(=O)C1=CC(=C2O[Cu]OC(=O)C3=C(N\N=C(/N=N/C2=C1)\C1=CC=CC=C1)C=C(C=C3)S([O-])(=O)=O)S([O-])(=O)=O

Molecular and structural information

Molecular formula:
C22H14CuN4Na4O15S4
Molecular weight:
858.115
SMILES notation:
C1=CC=CC(=C1)C5=NN2[Cu-](OC3=C([S](=O)(=O)[O-])C=C([S](=O)(CCO[S](=O)(=O)[O-])=O)C=C23)OC(=O)C4=CC=C([S](=O)(=O)[O-])C=C4N=N5.[Na+].[Na+].[Na+].[Na+]
InChl:
InChI=1S/C22H20N4O15S4.Cu.4Na/c27-20-18(11-15(12-19(20)44(35,36)37)42(30,31)9-8-41-45(38,39)40)24-26-21(13-4-2-1-3-5-13)25-23-17-10-14(43(32,33)34)6-7-16(17)22(28)29;;;;;/h1-7,10-12H,8-9H2,(H6,23,24,25,26,27,28,29,32,33,34,35,36,37,38,39,40);;;;;/q;+2;4*+1/p-6
Structural formula:
Chemical structure

Related substances

Identifier:
CAS number
Identity:
128416-19-3