Name: Carbazochrome sodium sulfonate
Synonyms:Sodium 5-(carbamoylhydrazono)-2,3,5,6-tetrahydro-1-methyl-6-oxo-1H-indole-2-sulphonate
Molecular Formula: C10H11N4NaO5S
Molecular Weight:322.27
CAS Registry Number: 51460-26-5
Appearance Orange crystalline powder ; Odorless Conforms
A bsorption coefficient 836 ~ 888 864
I dentification Positive reaction Conforms
A ppearance of solution Solution is clear Clear
Chromatographic purity
T otal impurity NMT 0.33%
Carbazochrome NMT 0.1%
M oisture 13.0% ~ 16.0%
H eavy metal NMT 20ppm
Assay NLT 98.5%
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