摘要 |
<p>The invention relates to a method for production of a liquid composition of an ortho-dihydroxybenzyl compound of high purity and said composition. More particularly The invention relates to the production of a liquid composition of pyrocatechol of high purity. Said method comprises mixing an ortho-dihydroxybenzyl compound with an organic solvent and applying the specific features pertaining to the nature of the materials used in the installation.</p> |