Min. Order Reference FOB Price
25 kg US$100.00 / kg
Product Description
Thymol blue (thymolsulfonephthalein) is a brownish-green or reddish-brown crystalline powder that is used as a pH indicator. It is insoluble in water but soluble in alcohol and dilute alkali solutions. Thymol blue (pH indicator) below pH 8.0 above pH 9.6 8.0 ⇌ 9.6 Thymol blue (pH ...