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  2. 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 ...

  3. 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 ...

  4. Crystal violet - Wikipedia

    en.wikipedia.org/wiki/Crystal_violet

    The name gentian violet was originally used for a mixture of methyl pararosaniline dyes (methyl violet), but is now often considered a synonym for crystal violet. The name refers to its colour, being like that of the petals of certain gentian flowers; it is not made from gentians or violets .

  5. List of dyes - Wikipedia

    en.wikipedia.org/wiki/List_of_dyes

    Methyl violet 2B: Gentian violet B Basic violet 1 42535 triarylmethane 8004-87-3: Methyl violet 6B: 42536 triarylmethane 84215-49-6: Methyl yellow: Butter yellow Solvent yellow 2 11020 azo 60-11-7: Methylene blue: Swiss blue Basic blue 9 Solvent blue 8 52015 thiazin 61-73-4: Methylene green: Basic green 5 52020 thiazin 2679-01-8: Milling red FR ...

  6. Triarylmethane dye - Wikipedia

    en.wikipedia.org/wiki/Triarylmethane_dye

    Victoria blue dyes are related to the methyl violet dyes, except they contain one naphthylamino group. Variation is found is dimethylamine vs diethylamino substituents on the phenyl rings and variations of the secondary amine on the naphthyl group. Victoria blue dyes

  7. Chemical depilatory - Wikipedia

    en.wikipedia.org/wiki/Chemical_depilatory

    Hair destruction requires about 10 minutes. Depilation is followed by careful rinsing with water, and various conditioners are applied to restore the skin's pH to normal. Depilation does not destroy the dermal papilla, and the hair grows back. [2] Chemical depilatories are available in gel, cream, lotion, aerosol, roll-on, and powder forms.

  8. List of glues - Wikipedia

    en.wikipedia.org/wiki/List_of_glues

    bone glue, and fish glue including isinglass. Animal connective tissue. and bones hides are acid-treated, neutralized, and repeatedly soaked; the soaking-water is dried into chips hydrolyzed collagen: Until it cools Thermoplastic. Somewhat brittle when set Water-soluble Cabinetmaking, bookbinding, lutherie, glue-size: Keratin glues Hoof glue ...

  9. Michler's ketone - Wikipedia

    en.wikipedia.org/wiki/Michler's_ketone

    p-Dimethylaminobenzophenone is related to Michler's ketone, but with only one amine. [5] Auramine O, a dye, is a salt of the iminium cation [(CH 3) 2 NC 6 H 4] 2 CNH 2 +.Michler's thione, [(CH 3) 2 NC 6 H 4] 2 CS, is prepared by treatment of Michler's ketone with hydrogen sulfide in the presence of acid or sulfideing auramine O. [6] Hydride reduction of Michler's ketone gives 4,4'-bis ...

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