An azo dye is any of a number of yellow to red synthetic dyes which contain an azo or diimide functional group.
absolutely not. It is very toxic and doesn't allow oxygen to the urine. The vet has special pills if your dog is having discomfort.
they can not be born pink but you can dye their fur pink but iit burns its fur and skin (you should not dye your dogs hair)
yes
Yes it does
restricted of azo dye means the use of azo dye is restricted by the authority/government/organisation.but there are eleven azo dyes are approved for use in food.
An acridine dye can be only an azo dye if you have an azo bridge like -N=N- in your dye. For an acridine azo dye you must have a free amino group on it. Your question is not right formulated. I need more infos in order to give a right answer
An azo dye is any of a number of yellow to red synthetic dyes which contain an azo or diimide functional group.
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3,4'-dicarboxy-4-hydroxy azo benzene.it is a coupling reaction...........it forms a azo dye.when salicylic acid reacts with amino benzoinc acid.. initially amino benzoinc acidreacts with nitrous acid and hydrochloric acid to form azo group....azo group: -N=N-then that azo compound react with salicylic acid to form an azo dye(3,4'-dicarboxy-4-hydroxy azo benzene).C6H4COOH(OH)-salicylic acidCH2NC6H4CO2H- amino benzoinc acid.H2NC6H4CO2H+HNO2+HCL-->CL-N=N-C6H4COOH(AZO COMPOUND)3,4'-dicarboxy-4-hydroxy azo benzene.(AZO DYE)
E151 is an azo dye and is made synthetically.
Azo dye test is the chemical test to identify the release of banned amines from any nitrogen based azo -synthetic dyes . There is a limit of 30 ppm for the banned amines in any textile or leather article which may come in contact with skin
It is a dye used for fuels.
This test is used to measure bilirubin in urine. The product of the reaction between bilirubin and a diazonium salt, in acidic medium is an azo dye, colored pink to violet, depending on the concentation.
List of non azo dye
it results in the formation of phenyl-azo-2-naphthol, an azo dye which is orange-red in colour
4-[(2-hydroxy-1-naphthalenyl)azo]phenyl chloride monosodium salt