basic azo dye

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• dye — dyable, dyeable, adj. dyer, n. /duy/, n., v., dyed, dyeing. n. 1. a coloring material or matter. 2. a liquid containing coloring matter, for imparting a particular hue to cloth, paper, etc. 3. color or hue, esp. as produced by dyeing. 4. of the… …   Universalium

• Dye — For other uses, see Dye (disambiguation). Yarn drying after being dyed in the early American tradition, at Conner Prairie living history museum. A dye is a colored substance that has an affinity to the substrate to which it …   Wikipedia

• dye — A stain or coloring matter; a compound consisting of chromophore and auxochrome groups attached to one or more benzene rings, its color being due to the chromophore and its dyeing affinities to the auxochrome. Dyes are used for intravital… …   Medical dictionary

• Acid dye — is a member of a class of dye that is applied from an acidic solution. In the home or art studio, the acid used in the dyebath is often vinegar (acetic acid) or citric acid. The uptake rate of the dye is controlled with the use of sodium chloride …   Wikipedia

• Solvent dye — A solvent dye is a dye soluble in organic solvents. It is usually used as a solution in an organic solvent. [http://www.greatvistachemicals.com/dyes and pigments/solvent dye.html] Solvent dyes are used to color organic solvents, hydrocarbon fuels …   Wikipedia

• methyl orange — noun an azo dye used as an acid base indicator; used for titrations involving weak bases • Hypernyms: ↑azo dye, ↑acid base indicator * * * noun Usage: sometimes capitalized M&O : a basic azo dye (CH3)2NC6H4N . NC6H4SO3Na which is made by coupling …   Useful english dictionary

• methyl red — A weakly acid dye used as a pH indicator (red at 4.8, yellow at 6.0); easily reduced with loss of color, and pH readings must be made rapidly. * * * methyl red n a basic azo dye C15H15N3O2 used similarly to methyl orange as an acid base indicator …   Medical dictionary

• methyl orange — A weakly acid dye used as a pH indicator (red at 3.2, yellow at 4.4). SYN: helianthine. * * * methyl orange n a basic azo dye C14H14N3NaO3S that is used chiefly as an acid base indicator and whose dilute solution is yellow when neutral and pink… …   Medical dictionary

• methyl red — noun Usage: sometimes capitalized M&R : a basic azo dye (CH3)2NC6H4N . C6H4COOH used similarly to methyl orange as an acid base indicator * * * Chem. a water insoluble solid occurring as a dark red powder or violet crystals, C15H15N3O2, used… …   Useful english dictionary

• azodye — azo dye n. Any of various red, brown, or yellow acidic or basic dyes derived from amino compounds. * * * …   Universalium

• textile — /teks tuyl, til/, n. 1. any cloth or goods produced by weaving, knitting, or felting. 2. a material, as a fiber or yarn, used in or suitable for weaving: Glass can be used as a textile. adj. 3. woven or capable of being woven: textile fabrics. 4 …   Universalium