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methylene blue n.
A basic aniline dye that forms a deep blue solution when dissolved in water and is used as a bacteriological stain and as an antidote for cyanide poisoning.
|methylene blue |
A basic dye that forms a deep blue solution when dissolved in water. It is used as an antidote for cyanide poisoning and as a bacteriological stain. Chemical formula: C16H18N3SCl.
a bright greenish blue organic dye belonging to the phenothiazine family. It is mainly used on bast (soft vegetable fibres such as jute, flax, and hemp) and to a lesser extent on paper, leather, and mordanted cotton. It dyes silk and wool but has very poor lightfastness on these fibres. It is also employed as a biological stain, in testing milk for tubercular infection, and as a chemical oxidation-reduction indicator.