2,4-dinitrophenylhydrazine

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2,4-dinitrophenylhydrazine

[¦tü ¦fȯr dī¦nī·trō‚fen·əl′hī·drə‚zēn]
(organic chemistry)
(NO2)2C6H3-NHNH2 A red, crystalline powder with a melting point of approximately 200°C; soluble in dilute inorganic acids; used as a reagent for determination of ketones and aldehydes.
References in periodicals archive ?
However, a deep yellow spot was observed with 2,4-DNP spray reagent, indicating the presence of a carbonyl group.
The solid gave positive test with 2,4-DNP, IR (KBr) [cm.
2,4-DNP is also used as an intermediate to make dyes, photochemicals, and explosives and as an indicator for the detection of potassium and ammonium ions [2].
2,4-DNP is considered to be highly toxic to humans, with a lethal oral dose of 14 to 43 mg [kg.
Only a few studies using AOP for the destruction of 2,4-DNP have been published.
The present study was focused on the destruction of 2,4-DNP with [O.
The solutions were prepared dissolving 2,4-DNP in twice-distilled water.
The volume of fresh 2,4-DNP solution in the reactor was 0.
7 L of fresh 2,4-DNP solution in the cylindrical glass reactor with magnetic stirring.
The progress in the degradation of 2,4-DNP was followed with a high performance liquid chromatograph ("Millichrom", USSR) equipped with a UV-spectrophotometer (190-360 nm).
The concentration of nitrate ions formed as a result of nitrogen mineralization of 2,4-DNP was measured with ion chromatography [26].
Acute toxicity of the treated 2,4-DNP solutions to Daphnia magna (Cladocera, Crustacea) was studied.

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