Schwenecke, H.; Mayer, D. (2005). "Benzidine and Benzidine Derivatives". Ullmann's Encyclopedia of Industrial Chemistry. ... This intermediate undergoes the benzidine rearrangement to afford 3,3'-dichlorobenzidine.[4] ... Because it is structurally similar to benzidine, a known carcinogen, it is believed that it may share a similar mechanism in ...
Peroxidase localization in leukocytes has been studied throughout the 20th century using staining agents such as benzidine ... KAPLOW, LS (August 1965). "SIMPLIFIED MYELOPEROXIDASE STAIN USING BENZIDINE DIHYDROCHLORIDE". Blood. 26: 215-9. PMID 14332483. ...
Also in 1945, Dewar devised the then novel notion of a π complex, which he proposed as an intermediate in the benzidine ... Dewar, M. J. S. (1945). "Mechanism of the Benzidine and Related Rearrangements". Nature. 156 (3974): 784. Bibcode:1945Natur.156 ...
Accordingly, the production of benzidine azo dyes was discontinued in the 1980s in many western countries. Certain azo dyes ... Azo dyes derived from benzidine are carcinogens; exposure to them has classically been associated with bladder cancer. ...
Cerniglia CE, Freeman JP, Franklin W, Pack LD (1982). "Metabolism of benzidine and benzidine-congener based dyes by human, ... "Summary of the National Toxicology Program benzidine dye initiative". Environ Health Perspect. 102 (supp 2): 63-78. doi:10.1289 ...
A variety of benzidine derivatives are used in dyes and polymers. Research into biphenyl liquid crystal candidates mainly ...
It is positive in the benzidine test and weakly positive in methyl red test. It exhibits clear hemolysis on ovine blood agar ...
It also tests positive for acetoin production, arginine, dihydrolase, benzidine, catalase, hemolysis, and lipase; it tests ...
Other units, such as benzidine derivatives, viologens, and fullerenes, are useful in supramolecular electrochemical devices. ...
It is prepared by azo coupling of the bis(diazonium) derivative of benzidine with naphthionic acid. Due to a color change from ... Once of economic significance, Congo red has fallen into disuse as have all benzidine-derived dyes, owing to their carcinogenic ...
MOCA is an aromatic amine which is structurally similar to benzidine, a known human bladder carcinogen. MOCA has been shown to ...
... particularly in opposing the use of benzidine-based dyes. By the start of the 1980s, membership had fallen to 56,843 due to ...
1904 - A test for the presence of blood by a wet-chemical method using benzidine became known. approx. 1920 - Viennese chemist ...
2-Tolidine can be produced by a benzidine rearrangement from a hydrazine derivative derived from 2-nitrotoluene. (CH3C6H4)2N2H2 ...
Upon treatment with the bis(diazonium) derivative of benzidine, 1-aminonaphthalene-4-sulfonic acid gives Congo red. It is ...
As used by fumigators to detect hydrogen cyanide, copper(II) salt and an aromatic amine such as benzidine is added to the ... sample; as an alternative to benzidine an alternative amine di-(4,4-bis-dimethylaminophenyl) methane can be used. A positive ...
... it is a bifunctional compound derived via the benzidine rearrangement from o-anisidine. o-Dianisidine is a precursor to some ...
One study found that Han Chinese dye-industry workers exposed to benzidine were at higher risk for developing bladder cancer if ... The speculated mechanism for this increased cancer risk involved increased glucuronidation of benzidine by the mutant UGT2B7 ... followed by cleavage of the glucuronidated benzidine at urine pH levels, releasing higher concentrations of benzidine in the ... polymorphism with bladder cancer in benzidine-exposed workers in China". Toxicological Sciences. 85 (1): 502-6. doi:10.1093/ ...
Hans Schwenecke, Dieter Mayer "Benzidine and Benzidine Derivatives" in Ullmann's Encyclopedia of Industrial Chemistry, 2005, ... 3,3′-Diaminobenzidine (DAB) is an organic compound with the formula (C6H3(NH2)2)2. This derivative of benzidine is a precursor ... An alternate synthesis route involves the diacylation of benzidine with acetic anhydride under basic conditions: (NH2)C6H4C6H4( ...
... of the population favoring the benzidine station. However, on addition of trifluoroacetic acid, the benzidine nitrogen atoms ... The same effect is obtained by electrochemical oxidation (forming the benzidine radical ion) and significantly both processes ... one biphenol and one benzidine unit. In solution at room temperature NMR spectroscopy reveals that the bead shuttles at a rate ...
Mechanism of the benzidine and Wallach rearrangements based on direct observation of dicationic reaction intermediates and ... the benzidine rearrangement and the Hofmann-Martius rearrangement. In the first part of the reaction, two equivalents of acid ...
This car was washed a few days after Del Castillo's disappearance, but it tested positive for blood in luminol and benzidine ...
The molecular formula C12H12N2 may refer to: Abametapir Benzidine Diquat (C12H12N22+) Hydrazobenzene This set index page lists ...
In 1995-96, manufacture of non-benzidine dyestuffs with a capacity of 1700 tonnes per annum was commissioned and the ...
... to textile dyes and occupational bladder cancer due to aniline dye intermediates such as beta-naphthylamine and benzidine, ...
... including benzidine and β-Naphthylamine. Hueper warned them explicitly of dangers to their workers in 1937, and throughout 1938 ...
... and plants containing them Arsenic and inorganic arsenic compounds Asbestos Azathioprine Benzene Benzidine, and dyes ...
... benzidine, 4-aminodiphenyl, 4-nitrodiphenyl, their salts and any substance containing any of those compounds in a total ...
... discovered benzidine, co-discovered aniline, the first President of the Russian Physical-Chemical Society Anatol Zhabotinsky, ...
... discovered benzidine, co-discovered aniline, the first President of Russian Physical-Chemical Society Nikolay Zelinsky, ...