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Synonyms: 2,4-DNPH; 2,4-DNP; Brady's reagent
2,4-Dinitrophenylhydrazine (DNPH, Brady's reagent) is the chemical compound C6H3(NO2)2NHNH2. Dinitrophenylhydrazine is a red to orange solid. It is a substituted hydrazine, and is often used to qualitatively test for carbonyl groups associated with aldehydes and ketones. The hydrazone derivatives can also be used as evidence toward the identity of the original compound.
D 2205 (OTTO) 2,4-Dinitrophenylhydrazine, 98% Cas 119-26-6 - used to qualitatively detect the carbonyl functionality of a ketone or aldehyde functional group. A positive test is signaled by a yellow, orange or red precipitate (known as a dinitrophenylhydrazone.) If the carbonyl compound is aromatic, then the precipitate will be red; if aliphatic, then the precipitate will have a more yellow color.
Hazard Codes F,Xn
Certificate Of Analysis
(For eg. B 1615-0108)
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