What is Bromothymol Blue CAS 76-59-5？ Bromothymol Blue CAS 76-59-5 is a colorless or light rose crystalline powder, easily soluble in alcohols, dilute alkali solutions, and ammonia water, slightly soluble in water, and insoluble in petroleum ether. It is yellow when it encounters acidity and blue when it is alkaline. Specification Item Specification λmax 420nm, 435nm, 620nm Density 1.4668 (estimate) Melting point 200-202 °C (lit.) flash point 38 °C pKa 7.0, 7.1(at 25℃) PH 6.0～7.6 Application Bromothymol Blue is a pH indicator for weak acids and weak bases, used as an acid-base indicator and chromatographic reagent in analytical chemistry; It can also be used as a dye and metabolic product. Packaging Usually packed in 25kg/drum,and also can be do customized package.
