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CAS No 77-04-3 , 3,3-diethyl-1H-pyridine-2,4-dione

  • Name: 3,3-diethyl-1H-pyridine-2,4-dione
  • Synonyms: Didropyridine;Presidon; Pyridion; Benedorm; Pyrithyldion;3,3-diethyl-1H-pyridine-2,4-dione; Prezidon; Dihydroprylone; Persidon; Persedon;
  • CAS Registry Number:
  • Flash Point: 147.8°C
  • Boiling Point: 187-189 °C (14 mmHg)
  • Density: 1.029g/cm3
  • Refractive index: 1.464
  • Safety Statements: 22
  • Hazard Symbols: Xn
  • Flash Point: 147.8°C
  • EINECS: 201-000-5
  • Molecular Weight: 167.20502
  • InchiKey: NZASCBIBXNPDMH-UHFFFAOYSA-N
  • InChI: InChI=1S/C9H13NO2/c1-3-9(4-2)7(11)5-6-10-8(9)12/h5-6H,3-4H2,1-2H3,(H,10,
    12)
  • Risk Statements: 20/21
  • Molecular Formula: C9H13NO2
  • Molecular Structure:CAS No:77-04-3 3,3-diethyl-1H-pyridine-2,4-dione

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77-04-3 PYRITHYLDIONE

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References of 3,3-diethyl-1H-pyridine-2,4-dione
Title: Pyrithyldione
CAS Registry Number: 77-04-3
CAS Name: 3,3-Diethyl-2,4-(1H,3H)pyridinedione
Synonyms: 3,3-diethyl-2,4-dioxotetrahydropyridine; 2,4-dioxo-3,3-diethyltetrahydropyridine; 2,4-dioxo-3,3-diethyl-1,2,3,4-tetrahydropyridine
Trademarks: Presidon; Persedon (Roche); Tetridin; Benedorm
Molecular Formula: C9H13NO2
Molecular Weight: 167.21
Percent Composition: C 64.65%, H 7.84%, N 8.38%, O 19.14%
Literature References: Prepn: Schnider, Festschr. Emil Barell 1936, 195; Preiswerk, Schnider, US 2090068 (1937 to Hoffmann-La Roche); Strukov et al., Med. Prom. SSSR 13, no. 9, 9 (1959). Alternate procedure: Rechen et al., US 3019230 (1962 to Hoffmann-La Roche).
Properties: Exists in three cryst modifications: I, mp 92-93°; II, mp 97-98°; III, mp 81-86° [Scheibl, Wachter, Arch. Toxikol. 18, 253 (1960)]. bp14 187-189°. Moderately sol in water; freely sol in the usual organic solvents except petr solvents. Aq solns are just acid to litmus.
Melting point: mp 92-93°; mp 97-98°; mp 81-86° [Scheibl, Wachter, Arch. Toxikol. 18, 253 (1960)]
Boiling point: bp14 187-189°
Therap-Cat: Sedative, hypnotic.
Keywords: Sedative/Hypnotic; Piperidinediones.