TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

5-METHYL-2-PHENYL-2 4-DIHYDRO-3H-PYRAZOL-3-ONE [1 record]

Record 1 2001-01-02

English

Subject field(s)
  • Chemical Elements and Compounds
Universal entry(ies)
DEF

A white powder or crystals, soluble in water, used as intermediate for dyes and drugs, and as a sensitive reagent for the detection of cyanide.

OBS

5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one: The letter "H" must be italicized; form recommended by the International Union of Pure and Applied Chemistry.

OBS

3-methyl-1-phenyl-2-pyrazolin-5-one: incorrect form.

French

Domaine(s)
  • Éléments et composés chimiques
Entrée(s) universelle(s)
OBS

5-méthyl-2-phényl-2,4-dihydro-3H-pyrazol-3-one : La lettre «H» s'écrit en italique; forme recommandée par l'UICPA (Union internationale de chimie pure et appliquée).

OBS

3-méthyl-1-phényl-2-pyrazolin-5-one : forme fautive.

Spanish

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