2,4-Dinitrophenylhydrazine (2,4-DNPH or DNPH) is the organic compound C6H3(NO2)2NHNH2. DNPH is a red to orange solid. It is a substituted hydrazine. The...
7 KB (565 words) - 09:16, 24 January 2024
2,4-DNP can mean: 2,4-Dinitrophenol, a small organic molecule formerly marketed as a pharmaceutical "diet aid" 2,4-Dinitrophenylhydrazine, Brady's reagent...
239 bytes (63 words) - 02:34, 10 February 2022
hydrochloric acid provides phenylhydrazine. 2,4-Dinitrophenylhydrazine is produced by the reaction of 1-chloro-2,4-dinitrobenzene with hydrazine. Tetraphenylhydrazine...
7 KB (657 words) - 18:20, 26 October 2023
carbonyl group has been identified using 2,4-dinitrophenylhydrazine (also known as Brady's reagent or 2,4-DNPH or 2,4-DNP), Tollens' reagent can be used to...
9 KB (1,090 words) - 15:51, 13 April 2024
taken. An example is the formation of 2,4-dinitrophenylhydrazones from ketones and 2,4-dinitrophenylhydrazine. By consulting an appropriate reference...
4 KB (410 words) - 08:46, 18 May 2023
Ketones give positive results in Brady's test, the reaction with 2,4-dinitrophenylhydrazine to give the corresponding hydrazone. Ketones may be distinguished...
25 KB (2,948 words) - 23:08, 15 April 2024
as the chromogenic product. Tollens' reagent Fehling's reagent 2,4-Dinitrophenylhydrazine Fehling's solution Barfoed's test Benedict's reagent See: Schiff...
10 KB (1,272 words) - 16:59, 7 April 2024
acids The Griess test tests for organic nitrite compounds The 2,4-dinitrophenylhydrazine tests for carbonyl compounds The iodoform reaction tests for the...
6 KB (709 words) - 14:54, 19 April 2024
ammonia derivative of the form H2NNR2 such as hydrazine (H2NNH2) or 2,4-dinitrophenylhydrazine can also be the nucleophile and after the elimination of water...
29 KB (3,000 words) - 10:16, 11 May 2024
aldehydes in tequila by high-performance liquid chromatography with 2,4-dinitrophenylhydrazine derivatization". European Food Research and Technology. 221 (6):...
65 KB (7,234 words) - 03:17, 18 May 2024
(molar mass: 198.14 g/mol, exact mass: 198.0389 u) may refer to: 2,4-Dinitrophenylhydrazine Nitrofurazone This set index page lists chemical structure articles...
291 bytes (56 words) - 19:34, 5 November 2022
(Operation BRIDLED) and the safe disposal of the hazardous chemical 2,4-Dinitrophenylhydrazine (DNPH) from school laboratories nationwide, which posed an explosive...
10 KB (871 words) - 16:11, 13 January 2024
basis for various analyses of ketones and aldehydes. For example, dinitrophenylhydrazine coated onto a silica sorbent is the basis of an adsorption cartridge...
11 KB (1,169 words) - 14:34, 15 March 2024