rosaniline dye

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• rosaniline — noun a) An organic base, CHN, used to make the dye fuchsine b) The deep red or magenta colour of fuchsine (rosaniline hydrochloride) …   Wiktionary

• rosaniline — /roh zan l in, uyn /, n. Chem. 1. a red dye, C20H20N3Cl, derived from aniline and orthotoluidine, a constituent of fuchsin. 2. the base, C20H21N3O, which, with hydrochloric acid, forms this dye. [1860 65; ROSE1 + ANILINE] * * * …   Universalium

• rosaniline — ros•an•i•line [[t]roʊˈzæn l ɪn, ˌaɪn[/t]] n. 1) a red dye, C20H20N3Cl, derived from aniline and the ortho isomer of toluidine 2) the base, C20H21N3O, which, with hydrochloric acid, forms this dye • Etymology: 1860–65; rose I+aniline …   From formal English to slang

• rosaniline — /roʊˈzænələn/ (say roh zanuhluhn), / lin/ (say leen), / laɪn/ (say luyn) noun 1. a red dye, C20H19N3.HCl, derived from aniline and orthotoluidine. 2. the base, C20H21N3O, which with hydrochloric acid forms this dye. {ros(e)1 + aniline} …  

• rosaniline — ros·an·i·line rō zan əl ən n 1) a white crystalline compound C20H21N3O that is the parent of many dyes 2) FUCHSIN * * * ro·san·i·line (ro zanґĭ lin) a basic dye derived from triphenylmethane, occurring as reddish brown crystals, which is… …   Medical dictionary

• Rosaniline — n. brownish red crystalline organic compound that is used as a dye and fungicide (Chemistry) …   English contemporary dictionary

• rosaniline — n. 1 a an organic base derived from aniline. b a red dye obtained from this. 2 fuchsine. Etymology: ROSE(1) + ANILINE …   Useful english dictionary

• triphenylmethane dye — noun also triphenylmethane color : any of a group of triarylmethane dyes (as pararosaniline, crystal violet, or aurin) derived from triphenylmethane and used as mothproofing agents in the case of some colorless derivatives as well as dyes,… …   Useful english dictionary

• triphenylmethane dye — Chem. any of a great number of dyes, as gentian violet, fuchsin, and rosaniline, produced from triphenylmethane by replacement of the ring hydrogen atoms with hydroxy, amino, sulfo, or other atoms or groups. [1930 35] * * * ▪ chemical compound… …   Universalium

• fuchsin — Synthetic rosaniline dye. Used as a red dye (in Schiff&’s reagent) and as an anti fungal agent …   Dictionary of molecular biology

• crystal violet — n. a rosaniline dye, C25H30ClN3, used as an antiseptic, an indicator, and a bacterial stain in Gram s method: cf. GENTIAN VIOLET * * * …   Universalium