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Category:Azo dyes

en.wikipedia.org/wiki/Category:Azo_dyes

Azo dyes are dyes with -N=N- azo structure as a chromophore. Pages in category "Azo dyes". The following 65 pages are in this category, out of 65 total. This list ...

AZO Dyes | AZO Testing |Directive 2002/61/EC | CIRS

www.cirs-reach.com/Testing/AZO_Dyes.html

AZO dyes are the name of the group of synthetic dyestuffs based on nitrogen that are often used in textile industry. Some AZO dye stuffs may separate under ...

Food-Info.net : Azo dyes

www.food-info.net/uk/colour/azo.htm

Azo dyes are synthetic colours that contain an azo group, -N=N-, as part of the structure. Azo groups do not occur naturally. Most azo dyes contain only one azo  ...

Safety review of the use of certain azo-dyes in cosmetic products

ec.europa.eu/health/ph_risk/committees/sccp/documents/out155_en.pdf

It was requested that the SCCNFP reviewed the safety of the following azo dyes : CI 12150, CI 20170, CI 26100 and CI 27290. The SCCNFP was requested to ...

Azo dyes - Product Safety Australia

www.productsafety.gov.au/content/index.phtml/itemId/1006626

Azo dyes are a large class of very effective synthetic dyes used for colouring a variety of consumer goods such as foods, cosmetics, carpets, clothes, leather and  ...

Cross-sensitizations between azo dyes and para-amino compound ...

www.ncbi.nlm.nih.gov/pubmed/9062744

Combined sensitizations to different azo dyes, probably based both on true cross -sensitization and on simultaneous positive reactions, have frequently been ...

Metabolism of azo dyes: implication for detoxication and activation.

www.ncbi.nlm.nih.gov/pubmed/1935573

Azo dyes are consumed and otherwise utilized in varying quantities in many parts of the world. Such widely used chemicals are of great concern with regard to ...

Metabolism of azo dyes by human skin microbiota. - NCBI

www.ncbi.nlm.nih.gov/pubmed/19729456

J Med Microbiol. 2010 Jan;59(Pt 1):108-14. doi: 10.1099/jmm.0.012617-0. Metabolism of azo dyes by human skin microbiota. Stingley RL(1), Zou W, Heinze TM, ...

Mutagenicity of azo dyes: structure-activity relationships. - NCBI

www.ncbi.nlm.nih.gov/pubmed/1381050

Mutat Res. 1992 Sep;277(3):201-20. Mutagenicity of azo dyes: structure-activity relationships. Chung KT(1), Cerniglia CE. Author information: (1)Department of ...

Bacterial decolorization and degradation of azo dyes

www.sciencedirect.com/science/article/pii/S0964830506001430

However microorganisms, being highly versatile, have developed enzyme systems for the decolorization and mineralization of azo dyes under certain ...

Answer
How to Prepare Azo Dye
Azo dyes are synthetic dyes used to color fabric and food. They are the most common form of synthetic dyes. In general, azo dyes are made when a coupling component is combined with a diazo component under the proper conditions, such as suitable water... More »
Difficulty: Moderate
Source: www.ehow.com
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azo dye | chemical compound | Britannica.com

www.britannica.com

The oldest methods for applying azo dyes to cotton involved successive treatments with solutions of two chemical components that react to form the dye within ...

European Ban on Certain Azo Dyes - TFL

www.tfl.com

European Ban on Certain Azo Dyes. Dr. A. Püntener and Dr. C. Page,. Quality and Environment,. Introduction. In the European Parliament Directive 2002/61/EC  ...

Formation of a carcinogenic aromatic amine from an azo dye by ...

www.ncbi.nlm.nih.gov

Azo dyes represent the major class of dyestuffs. They are metabolised to the corresponding amines by liver enzymes and the intestinal microflora following ...