Indicators and Dyes

Indicators and Dyes are used to detect the presence of certain chemicals or to determine the pH (acidity or alkalinity) of a solution. They undergo a visible change, such as a color change or formation of a precipitate, in response to specific chemical conditions. We carry everything from acid black I to xylylazo violet II, with many dyes, indicators, chromophores, and fluorescent compounds in between. Download the Indicators and Dyes Quick List