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Trichloroisocyanuric acid (TCCA) is a stable and inexpensive industrial chemical usually used as bleaching agent

Introduction: Trichloroisocyanuric acid (TCCA) is a stable and inexpensive industrial chemical usually used as bleaching agent and bactericide.It has found applications in organic chemistry as a -chlorinating agent or oxidant, allowing thioacetalization of carbonyl compounds, conversion of alcohols to halides, carboxylic acids to acid chlorides, alkenes to chloroethers, N-nitrosation of N,N-dialkylamines, selective mono-nitration of phenols, oxidation of alcohols to carbonyl compounds, aldehydes to methyl esters, aldoximes to -nitrile oxides, thiols to disulfides, selenols to diselenides, and sulfides to sulfoxides.
Preparation: Trichloroisocyanuric acid (TCCA) (1) is prepared by chlorination of cyanuric acid (2) with chlorine gas (Scheme 1). [2] It is readily soluble in -organic solvents.
This article describes the use of reversed-phase HPLC, C18 column, methanol and aqueous acetic acid as the mobile phase, with tunable wavelength UV detector, use Trichloroisocyanuric acid (TCCA)  preparation for quantitative analysis. The standard method deviation was 0.03, the coefficient of variation of 0.06%, the linear correlation coefficient was 0.9994, the average recovery was 100.3%.