In the recent years, industrial effluent waters containing dyestuffs are polluting environment. These are toxic and pose a serious threat to the ecology of aquatic life, effect human health and show their hazardous nature to ecosystem Indigo carmine (5,51 indigo disulphonic acid sodium salt) which belongs to the class of anthraquinone dyes is an anionic dye and is a popular dyestuff used in different industries like textiles, cosmetics, paper, leather, printing, food and beverage, medicine and carpet. The blue colour of this dye is due to cross conjugated system or H –chromophore having a multiple bond between carbon atoms substituted with donor NH groups and acceptor CO groups. In the class of Indigoid dyes, this dye is highly toxic. The dye affects the eyes and skin by causing permanent injury in the form cornea and conjunctiva.
Author(s) Details:
Kalyana Chakravarthy Mutnuru,
Department of Chemistry, Anil Neerukonda Institute of Technology & Sciences, Visakhapatnam, Andhra Pradesh, India.
K. Rama Krishna,
Department of Engineering Chemistry, Andhra University, Visakhapatnam, Andhra Pradesh, India.
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