Direct Blue 15 is an
organic compound
In chemistry, organic compounds are generally any chemical compounds that contain carbon-hydrogen or carbon-carbon bonds. Due to carbon's ability to catenate (form chains with other carbon atoms), millions of organic compounds are known. T ...
that is classified as an
azo dye. It is a dark blue water soluble solid. It is a popular
substantive dye
A substantive dye or direct dye is a dye that adheres to its substrate, typically a textile, by non-ionic forces.
Overview
The amount of this attraction is known as "substantivity": the higher the substantivity the greater the attraction of th ...
, which means that it useful for dying cotton and related
cellulosic materials. It is produced by
azo coupling
In organic chemistry, an azo coupling is an organic reaction between a diazonium compound () and another aromatic compound that produces an azo compound (). In this electrophilic aromatic substitution reaction, the aryldiazonium cation is the ...
of
o-dianisidine with the appropriate
naphthalene disulfonate.
[.]
References
{{Reflist
Azo dyes
Naphthalenesulfonic acids
1-Naphthols
Naphthylamines