What are they?
- There are two types
of colorants - dyes and pigments. Dyes are soluble substances used to
pass color to the substrate and find applications primarily in textiles
and leather. There are several types of dyes, however in India disperse,
reactive and direct dyes are most
commonly used. Pigments are insoluble substances and could either be in
powdered or granular form. They impart colour by reflecting only certain
light rays. Their major end use industries are paints and inks. Pigments
can be broadly classified as organic and inorganic.
Regulations such as REACH -Registration, Evaluation, Authorization and
Restriction of Chemical substances- which have been designed with the
objective of protecting human health and environment from the hazards of
chemicals, require that apparel and apparel chemical exporters to Europe
provide their buyers with information regarding the substance used in
Due to regulatory norms
from the European markets and stricter local pollution norms have forced
many in the unorganized sector to exit resulting in increase in the
share of the organized players.
Current information can
be checked at
The web site of the Government
- Acid dyes,
Vat dyes, reactive dyes, disperse dyes, azoic dyes, sulfur dyes, Food
dyes, solvent dyes, Carbene dyes, natural dyes ..
Azo compound, aureolin,
betanin, carbon black, cochinel , hansa yellow melanin, photopigment,
phototropin, protocyanin, rose madder, soot, turacin ,urobilin are some
examples of Pigments