The molecule is an organic chloride salt composed of 1-carbamoyl-7-(diethylamino)-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 fluorochrome and a histological dye. It contains a Celestin blue B(1+).
[7-(diethylamino)-3,4-dioxo-10H-phenoxazine-1-carbonyl]azanium;chloride