2,4-Dinitrophenylhydrazine
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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)
2,4-C6H3(NO2)2NHNH2 198.14 CAS RN®: 119-26-6.—Orange-red crystals, which under the microscope appear individually to be lemon-yellow, lath-like needles. Very slightly soluble in water; slightly soluble in alcohol; moderately soluble in dilute inorganic acids. Use a suitable grade with a content of not less than 97%.
