Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- adjective Containing a nitrogen group, especially one nitrogen atom doubly bonded to another nitrogen atom. Many common dyes contain one or a few of these groups.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective
azote ,nitrogen - adjective Applied loosely to compounds having nitrogen variously combined, as in
cyanides ,nitrates , etc. - adjective Now especially applied to compounds containing a two
atom nitrogen group (-N=N-) uniting twohydrocarbon radicals , as inazobenzene etc.
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
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Examples
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Those include Sunset Yellow and red Ponceau 4R, the so-called azo dyes that give Irn-Bru its hyper-orange sheen.
It Isn't Iron and It Isn't Brewed, But Irn-Bru Hews to Its Orange Hue 2010
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A large number of the dyes prepared from coal tar are called azo colours, such for instance are the Biebrich and Croceine scarlets and oranges, Naphthol black, Congo red, etc., just to name a few.
The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student Franklin Beech
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(called azo dyes) must be labeled not only with the relevant E number, but also with the words
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(called azo dyes) must be labeled not only with the relevant E number, but also with the words
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Malagasy · Mitondra VIH mamaham-bolongana: Mbola azo atao ny mitia
Global Voices in English » Blogging with HIV: “Love is still possible” 2009
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The company uses natural minerals and enzymes in their dying process and does not use chemicals like chlorine bleach, formaldehyde or azo.
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The company uses natural minerals and enzymes in their dying process and does not use chemicals like chlorine bleach, formaldehyde or azo.
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And with Junge and Green, she discovered the azo-dye coupling reaction.
Maud Menten Peggy 2007
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And with Junge and Green, she discovered the azo-dye coupling reaction.
Archive 2007-01-01 Peggy 2007
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Reductions can occur across nitrogen-nitrogen double bonds (azo reduction) or on nitro groups (NO2).
Biotransformation 2008
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