52587-68-5 disodium [3-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-4-hydroxybenzenesu

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Basic

CAS No. 52587-68-5
Product Name disodium [3-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-4-hydroxybenzenesulphonato(3-)][1-[[2-hydroxy-5-(phenylazo)phenyl]azo]-2-naphtholato(2-)]chromate(2-)
Synonyms Chromate(2-), (3-(2-(4,5-dihydro-3-methyl-5-(oxo-kappaO)-1-phenyl-1H-pyrazol-4-yl)diazenyl-kappaN)-4-(hydroxy-kappaO)benzenesulfonato(3-))(1-(2-(2-(hydroxy-kappaO)-5-(phenylazo)phenyl)diazenyl-kappaN1)-2-naphthalenolato(2-)-kappaO)-, sodium (1:2); Chromate(2-), (3-((4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo)-4-hydroxybenzenesulfonato(3-))(1-((2-hydroxy-5-(phenylazo)phenyl)azo)-2-naphthalenolato(2-))-, disodium; Chromate(2-), (3-((4,5-dihydro-3-methyl-5-(oxo-kappaO)-1-phenyl-1H-pyrazol-4-yl)azo-kappaN)-4-(hydroxy-kappaO)benzenesulfonato(3-))(1-((2-(hydroxy-kappaO)-5-(phenylazo)phenyl)azo-kappaN1)-2-naphthalenolato(2-)-kappaO)-, disodium; Disodium (3-((4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo)-4-hydroxybenzenesulphonato(3-))(1-((2-hydroxy-5-(phenylazo)phenyl)azo)-2-naphtholato(2-))chromate(2-); chromium(3+) sodium 3-[(3-methyl-5-oxido-1-phenyl-1H-pyrazol-4-yl)diazenyl]-4-oxidobenzenesulfonate 1-[(E)-{2-oxido-5-[(E)-phenyldiazenyl]phenyl}diazenyl]naphthalen-2-olate (1:2:1:1)
Molecular Formula C38H25CrN8Na2O7S
Molecular Weight 835.6951

Physical property

Boiling point 643.1°C at 760 mmHg
Flash point 442.9°C