Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A carcinogenic yellowish, white, or reddish-gray crystalline powder, C12H12 N2, that is a derivative of biphenyl, is used in dyes, and is used to detect blood stains and cyanide.
from The Century Dictionary.
- noun The common name for para-diaminodiphenyl, one of the aromatic bases having the formula NH2.C6H4–C6H4.NH2. It is an important raw material in the preparation of many of the direct cotton colors.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun organic chemistry The
aromatic diamine 4,4'-diaminobiphenyl that is used in testing forcyanide , and for traces ofblood
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
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Examples
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The three most widely used culprits -- Yellow 5, Yellow 6 and Red 40 -- contain compounds, including benzidine and 4-aminobiphenyl, that research has also linked with cancer.
EatingWell: Trick or Treat: The Hidden Health Risks of Food Dyes EatingWell 2010
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The three most widely used culprits -- Yellow 5, Yellow 6 and Red 40 -- contain compounds, including benzidine and 4-aminobiphenyl, that research has also linked with cancer.
EatingWell: Trick or Treat: The Hidden Health Risks of Food Dyes EatingWell 2010
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The three most widely used culprits -- Yellow 5, Yellow 6 and Red 40 -- contain compounds, including benzidine and 4-aminobiphenyl, that research has also linked with cancer.
EatingWell: Trick or Treat: The Hidden Health Risks of Food Dyes EatingWell 2010
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Moreover, like Red 40 and Yellow 5, it is contaminated with illegally high levels of benzidine and 4-aminobiphenyl, known carcinogens.
Michael F. Jacobson: Color Me Skeptical: Tartrazine-Free Macaroni and Cheese 2010
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Moreover, like Red 40 and Yellow 5, it is contaminated with illegally high levels of benzidine and 4-aminobiphenyl, known carcinogens.
Michael F. Jacobson: Color Me Skeptical: Tartrazine-Free Macaroni and Cheese 2010
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Besides luminol, we have many other type of chemicals such as teramethal benzidine.
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Safety note: Two dyes in Table G are based on the chemical benzidine.
1. Conversion tables 1969
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These amido compounds, of which aniline, toluidine, benzidine, naphthylamine are familiar examples, are characterised by containing the molecular group NH {2}, which radicle is built up of the two elements nitrogen and hydrogen.
The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student Franklin Beech
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If necessary to retard the dyeing from the commencement, then an assistant mordant is added to the dye-bath, in the shape of soda crystals or phosphate of soda for the benzidine (p. 081) colours on cotton; bisulphate of soda or Glauber's salt in dyeing with azo colours or acid colours on wool; or tartar may be used in most cases with good effect, causing the wool to have a softer feel.
The Dyeing of Woollen Fabrics Franklin Beech
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Charged the paper with a benzidine dye and an alkaline iodide.
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