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  2. Methyl violet - Wikipedia

    en.wikipedia.org/wiki/Methyl_violet

    Methyl violet is a mutagen and mitotic poison, therefore concerns exist regarding the ecological impact of the release of methyl violet into the environment. Methyl violet has been used in vast quantities for textile and paper dyeing, and 15% of such dyes produced worldwide are released to environment in wastewater. Numerous methods have been ...

  3. List of dyes - Wikipedia

    en.wikipedia.org/wiki/List_of_dyes

    587-98-4: Methyl blue: Cotton blue Helvetia blue Acid blue 93 42780 triarylmethane 28983-56-4: Methyl green: Light green Basic blue 20 42585 triarylmethane 82-94-0: Methyl orange: Acid orange 52 13025 azo 547-58-0: Methyl red: Acid red 2 13020 azo 493-52-7: Methyl violet 2B: Gentian violet B Basic violet 1 42535 triarylmethane 8004-87-3: Methyl ...

  4. Methyl violet 2B - Wikipedia

    en.wikipedia.org/wiki/Methyl_violet_2B

    Methyl violet 2B (Tetramethylparosanilinium chloride, 4,4′-[(4-Imino-2,5-cyclohexadien-1-yliden)methylen]bis('N,N-dimethylaniline)hydrochloride) is a violet triarylmethane dye from the group of cationic dyes and an essential component of C.I. Basic Violet 1 (trivial name methyl violet). Methyl violets are mixtures of tetramethyl (2B ...

  5. pH indicator - Wikipedia

    en.wikipedia.org/wiki/PH_indicator

    High pH color Gentian violet (Methyl violet 10B) [4] yellow 0.0 2.0 blue-violet Malachite green (first transition) yellow 0.0 2.0 green Malachite green (second transition) green 11.6 14.0 colorless Thymol blue (first transition) red 1.2 2.8 yellow Thymol blue (second transition) yellow 8.0 9.6 blue Methyl yellow: red 2.9 4.0 yellow Methylene ...

  6. Triarylmethane dye - Wikipedia

    en.wikipedia.org/wiki/Triarylmethane_dye

    Triarylmethane dyes can be grouped into families according to the nature of the substituents on the aryl groups. In some cases, the anions associated with the cationic dyes (say crystal violet) vary even though the name of the dye does not.

  7. Crystal violet - Wikipedia

    en.wikipedia.org/wiki/Crystal_violet

    Crystal violet or gentian violet, also known as methyl violet 10B or hexamethyl pararosaniline chloride, is a triarylmethane dye used as a histological stain and in Gram's method of classifying bacteria.

  8. 4 Things Doctors Recommend to Get Over the Stomach Bug Fast - AOL

    www.aol.com/4-things-doctors-recommend-over...

    Cases of norovirus, a.k.a. the stomach bug, are surging in the U.S. right now. There is no specific medication to treat norovirus. Doctors share tips for feeling better, sooner. The U.S. is seeing ...

  9. Shades of violet - Wikipedia

    en.wikipedia.org/wiki/Shades_of_violet

    This is an accepted version of this page This is the latest accepted revision, reviewed on 8 January 2025. Varieties of the color violet Violet Spectral coordinates Wavelength 380–450 nm Frequency 800–715 THz Color coordinates Hex triplet #8000FF sRGB B (r, g, b) (128, 0, 255) HSV (h, s, v) (270°, 100%, 100%) CIELCh uv (L, C, h) (41, 134, 275°) Source W3C B: Normalized to [0–255] (byte ...