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Reference substances

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IUPAC name:
chromium(3+) trisodium bis(6-amino-2-{4-[2-(2-hydroxynaphthalen-1-yl)diazen-1-yl]benzenesulfonamido}-5-[2-(3-nitro-2-oxido-5-sulfophenyl)diazen-1-yl]pyrimidin-4-olate)

Inventory

EC number:
418-220-4
EC name:
Trisodium bis[(3'-nitro-5'-sulfonato-(6-amino-2-[4-(2-hydroxy-1-naphtylazo)phenylsulfonylamino]pyrimidin-5-azo)benzene-2',4-diolato)]chromate(III)
CAS number:
-
Description:
RED JB 747
Synonyms
Names:
Reaction products of diazotised 3-amino-4-hydroxy-5-nitrobenzenesulphonic acid coupled with 4-amino-N-(4-amino-6-oxo-5H-pyrimidin-2-yl)benzenesulfonamide, subsequently metallised with Chromium(III) sulphate, subsequently diazotised and coupled with 2-naphthol, sodium salts

Molecular and structural information

Molecular formula:
C52H32CrN18Na3O20S4
Molecular weight:
1 478.16
Structural formula:
Chemical structure

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