azo-aminés

См. также в других словарях:

• Amine — For other uses, see Amine (disambiguation). Primary amine Secondary amine Tertiary amine …   Wikipedia

• AZOÏQUES — On nomme «azoïques» les composés organiques caractérisés par le groupe fonctionnel azo (face=F0019 漣 N=N 漣) unissant deux radicaux alkyle ou aryle identiques ou non (azoïques symétriques et dissymétriques). Le groupe azo peut être répété dans une …   Encyclopédie Universelle

• Reduction of nitro compounds — The chemical reactions described as reduction of nitro compounds can be facilitated by many different reagents and reaction conditions. Historically, the nitro group was one of the first functional groups to be reduced, due to the ease of nitro… …   Wikipedia

• 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

• amine — aminic /euh mee nik, euh min ik/, adj. aminity /euh min i tee/, n. /euh meen , am in/, n. Chem. any of a class of compounds derived from ammonia by replacement of one or more hydrogen atoms with organic groups. [1860 65; AM(MONIUM) + INE2] * * *… …   Universalium

• Diazonium compound — Phenyldiazonium cation Diazonium compounds or diazonium salts are a group of organic compounds sharing a common functional group R N2+ X where R can be any organic residue such alkyl or aryl and X is an inorganic or organic anion such as a… …   Wikipedia

• diazonium salt — Chem. any of a group of salts of the general formula ArN2X, in which Ar represents an aryl group and X an anion, as benzenediazonium chloride, C6H5N(N)Cl, many of which are important intermediates in the manufacture of azo dyes. [1905 10] * * * ▪ …   Universalium

• Diazo — For a discussion of copiers using the diazo process, see Whiteprint. Diazo refers to a type of organic compound called diazo compound that has two linked nitrogen atoms (azo) as a terminal functional group. The general formula is R2C=N2. The… …   Wikipedia

• benzidine — /ben zi deen , din/, n. Chem. a grayish, crystalline, slightly water soluble, basic compound, C12H12N2, usually derived from nitrobenzene: used chiefly in the synthesis of certain azo dyes, esp. Congo red. [1875 80; BENZ + ID3 + INE2] * * * ▪… …   Universalium

• COLORANTS — Les matières colorantes se caractérisent par leur capacité à absorber les rayonnements lumineux dans le spectre visible (de 400 à 700 nm). Tous les composés répondant à cette définition se différencient par leur structure chimique, organique ou… …   Encyclopédie Universelle

• organosulfur compound — ▪ chemical compound Introduction also spelled  organosulphur compound , also called  organic sulfur compound   a subclass of organic substances that contain sulfur and that are known for their varied occurrence and unusual properties. They are… …   Universalium