phenylhydrazine

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Related to Phenyl hydrazine: Phenylhydrazone, Phenylhydrazine hydrochloride

phenylhydrazine

[¦fen·əl′hī·drə‚zēn]
(organic chemistry)
C6H5NHNH2 Poisonous, oily liquid, boiling at 244°C; soluble in alcohol, ether, chloroform, and benzene, slightly soluble in water; used in analytical chemistry to detect sugars and aldehydes, and as a chemical intermediate. Also known as hydrazinobenzene.
References in periodicals archive ?
A variety of 2,4-dinitro phenylhydrazone derivatives 1-32 were synthesized from commercially available 2,4-dinitro phenyl hydrazine by refluxing with different aromatic aldehydes in methanol (Scheme-1) in the presence of catalytic amount of glacial acetic acid.
A mixture of the appropriate sulfone 3 (1 mmol) and hydrazine hydrate or phenyl hydrazine (1 mmol) in ethanol (25 mL), acetic acid (0.5 mL) was added.
A mixture of compound 5a (0.01 mol), phenyl hydrazine (0.01 mol) in absolute methanol (30 mL) was added few drops of glacial acetic acid and refluxed for 8-10 h.
Preparing 3- methyl - 1- phenyl - 2pyrazolin- 5- one (1) In a round-bottom balloon, the mixture of 14.7 grams (0.113 mol) ethyl aceto acetate and 10.95 grams (0.101 mol) phenyl hydrazine was heated for 2 hours on a steam bath.
A solution of maleic anhydride (19.62 g, 0.2 mol.) in DMF was gradually added over a period of 10 minute to a well stirred solution of 4-nitro phenyl hydrazine (30.6 g, 0.2 mol.) in DMF.
Osazone formation is the direct reaction of any of these carbohydrates (glucose, fructose and mannose) with phenyl hydrazine which resulted in the formation of crystalline colored compounds which was applied for the qualitative analysis of these compounds.