Definition of benzidine dyes. Meaning of benzidine dyes. Synonyms of benzidine dyes

Here you will find one or more explanations in English for the word benzidine dyes. Also in the bottom left of the page several parts of wikipedia pages related to the word benzidine dyes and, of course, benzidine dyes synonyms and on the right images related to the word benzidine dyes.

Definition of benzidine dyes

benzidine dyes
Congo group Con"go group [From Congo red.] A group of artificial dyes with an affinity for vegetable fibers, so that no mordant is required. Most of them are azo compounds derived from benzidine or tolidine. Called also benzidine dyes.

Meaning of benzidine dyes from wikipedia

- derivatives are used in the production of dyes. Benzidine has been linked to bladder and pancreatic cancer. Benzidine is prepared in a two step process from...
- Accordingly, the production of benzidine azo dyes was discontinued in the 1980s in many western countries. Certain azo dyes degrade under reductive conditions...
- ; Vaughan, V. L. (1984). "Mutagenicity of benzidine and benzidine-congener dyes and selected monoazo dyes in a modified Salmonella ****ay". Mutation Research...
- afford 2,2'-dichlorodiphenylhydrazine. This intermediate undergoes the benzidine rearrangement to afford 3,3'-dichlorobenzidine. Aqueous solutions of 3...
- soluble in water. Upon treatment with the bis(diazonium) derivative of benzidine, 1-aminonaphthalene-4-sulfonic acid gives Congo red. It is listed as one...
- of the Salmonella typhimurium mutagenicity of benzidine, benzidine analogues, and benzidine-based dyes". Mutation Research/Reviews in Mutation Research...
- involves the reaction of doubly diazotized aromatic diamines (derivatives of benzidine) with acetoacetanilide. By varying both of these components, several useful...
- which is commercially available. 2-Tolidine can be produced by many benzidine rearrangement from a hydrazine derivative derived from 2-nitrotoluene...
- Program benzidine dye initiative". Environ Health Perspect. 102 (supp 2): 63–78. doi:10.1289/ehp.9410263. PMC 1567082. PMID 7925189.. Some azo dyes such...
- have all benzidine-derived dyes, owing to their carcinogenic activity. It is prepared by azo coupling of the bis(diazonium) derivative of benzidine with naphthionic...