Rung International Mumbai, Maharashtra

About Us

Company Factsheet

Nature of Business: Exporter
Total Number of Employees: 26 to 50 People
Year of Establishment: 1994
Legal Status of Firm: Individual - Proprietor
Annual Turnover: Rs. 2 - 5 Crore
GST No.: 27AAOPM3425B1ZW

What makes Dyes colored ?

Basically ionising & aromatic compounds, dyes have Chromophores present in them with their structures having Aryl rings that have de-localized electron systems. These structures are responsible for absorption of electromagnetic radiation that features varying wavelengths (as per the energy of electron clouds).

These Chromophores make dyes highly effective in their ability to absorb radiation. Further, Chromophores also act by making necessary energy changes in de-localized electron cloud of dye that invariably results in compound absorbing radiation within visible range of colors (not outside it). 

Electrons may result in loss of color with their removal causing rest of electrons to revert to local orbits. A good example of this is Schiff's reagent; a sulphurous acid that reacts with Pararosaniline. This leads to Sulphonic group attaching itself to compound's central carbon atom which hampers conjugated double bond system of Quinoid ring. It causes electrons to become localized and as a result ring ceases to be Chromophore, thus rendering dye colorless.

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    Bhavesh Mehta

    (Proprietor)

    Rung International

    Malad West, Mumbai, Maharashtra, India

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