Definition
ChEBI: Gallamin blue is an organic chloride salt composed of 1-carbamoyl-7-(dimethylamino)-3,4-dihydroxyphenoxazin-5-ium and chloride ions in a 1:1 ratio. A histological dye used in solution with an iron alum mordant as a hematoxylin substitute in the H&E stain. It has a role as a histological dye and a fluorochrome. It contains a Gallamin blue(1+).
Preparation
excessive amounts of N,N-dimethyl-4-nitrosobenzenamine and 3,4,5-Trihydroxybenzamide amide reaction
Properties and Applications
red light blue to navy blue. Soluble in water for the green. In concentrated sulfuric acid for red, dilution after wine red; In concentrated sodium hydroxide solution for red light purple, dilution after red flocks.
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Standard(cotton)
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Ironing Fastness
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Light Fastness
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Fulling
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Persperation Fastness
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Soaping
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Water
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Alkali
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Acid
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ISO
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5
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4-5
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