Purpose: Carmoisine is the synthetic food dye used in the manufacture of some medicals and food products. Previously, we had already established, that it is able to form the ion associates with chlorpheniramine maleate and in this way can be extracted from water solution with chloroform. The aim of the work is establishment of partition coefficients of the associate for water and different organic solvents, and research the interaction of the carmoisine with certain organic amines.
Material and methods: As the object of research the synthetic food dye carmoisine was selected. Analytical studies were performed by the method of UV and visible spectrophotometry.
Results and conclusions: As the result of the work performed, the partition coefficients of the associate of carmoisine and chlorpheniramine maleate for various systems water-organic solvent were spectrophotometrically established and it was shown, that the associate is better soluble in cyclohexanol, 2-octanol, and butanol. The formation of ion associates between carmoisine and some organic amines was established experimentally. The partition coefficients for the obtained ion associates were calculated. It was shown, that the associate of carmoisine with myramistine has the highest partition coefficient.
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