Description
Thymol Blue, R1-EAgent, ACS is used as a pH indicator. It is insoluble in water but it is soluble in alcohol and dilute alkali solutions. It transitions from red to yellow at pH 1.2-2.8 and from yellow to blue at pH 8.0-9.6. As an ACS grade quality r1-EAgent, its chemical specifications are the de facto standards for chemicals used in many high-purity applications and typically designate the highest quality chemical available for laboratory use. Spectrum Chemical manufactured R1-EAgent ACS grade products meet the toughest regulatory standards for quality and purity.