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 ?
The Ni (II), Cu(II), Co(II) and Ni(II) complexes of 2,4-dinitrophenylhydrazine were synthesized by reaction of metal salts with 2,4-dinitrophenylhydrazine.
Analytical data for 2,4-dinitrophenylhydrazine and its complexes Ligand/mixture Colour Melting point [degrees]C DNPH(ligand) Brick red 192 [Cu[(DNPH).
3]/min, and aldehydes using a 2,4-dinitrophenylhydrazine (DNPH)-coated [C.
The determination of ascorbic acid in bile, blood and urine through 2,4-dinitrophenylhydrazine derivatives of dehydro-ascorbic acid.
Protein oxidation was measured in brain, gill, and liver by detecting carbonyl moieties using 2,4-dinitrophenylhydrazine (DNPH) and normalized to total protein.
The conventional colorimetric assay (2) that measures reactive protein carbonyls using 2,4-dinitrophenylhydrazine (DNPH) is labor-intensive, time-consuming, and uses a large quantity of solvents.
Briefly, after ozone exposure, samples were derivatized with 2,4-dinitrophenylhydrazine (DNPH).
In 1937, Roe introduced a color reaction with 2,4-dinitrophenylhydrazine to determine vitamin C.
Briefly, we used cartridges of silica gel coated with 2,4-dinitrophenylhydrazine for collection of acrolein and HPLC analysis of the hydrazone derivatives.

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