Neutral Red
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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)
(3-Amino-7-dimethylamino-2-methylphenazine Monohydrochloride), C15H16N4·HCl—288.78—Reddish to olive-green, coarse powder. Sparingly soluble in water and in alcohol. Transition interval: from pH 6.8 to 8.0. Color change: from red to orange.
