Chemical Properties
Dark red or purple powder
Uses
Azocarmine G (CAS# 25641-18-3) is an organic dye used as a redox indicator in titrations with chloramine-?T.
Preparation
4-(Phenyldiazenyl)naphthalen-1-amine with aniline and aniline hydrochloride heating, the resulting Phenyl Rosinduline fuming sulfuric acid with two stlfonation, again as sodium salt out of segregation.
Definition
ChEBI: An organic sodium salt having 7-phenyl-5-(4-sulfonatoanilino)benzo[a]phenazin-7-ium-3-sulfonate as the couterion.
Properties and Applications
blue-ray red. Soluble in water for blue-ray red. The strong sulfuric acid for green, red precipitate after diluted. Add in aqueous solution hydrochloric acid have red precipitate; Add water to dissolve.
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Standard
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Light Fastness
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Soaping
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Persperation Fastness
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Oxygen bleaching
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Fastness to seawater
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Fading
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Stain
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Fading
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Stain
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Fading
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Stain
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ISO
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3
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2-3
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2
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1-2
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2
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