Bromocresol Purple Sodium Salt
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This article is compiled based on the United States Pharmacopeia (USP) – 2025 Edition
Issued and maintained by the United States Pharmacopeial Convention (USP)
C21H15Br2O5 SNa—562.20—Black powder. Soluble in water. Transition interval: from pH 5.0 to 6.8. Color change: from greenish yellow to purple-violet.
Melting Range 〈741〉: between 261° and 264°.
