Bromocresol Purple
If you find any inaccurate information, please let us know by providing your feedback here
This article is compiled based on the United States Pharmacopeia (USP) – 2025 Edition
Issued and maintained by the United States Pharmacopeial Convention (USP)
(Dibromo-o-cresolsulfonphthalein), C21H16Br2O5S—540.22—White to pink, crystalline powder. Insoluble in water; soluble in alcohol and in solutions of alkali hydroxides. Transition interval: from pH 5.2 to 6.8. Color change: from yellow to purple.
