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CAS No 8015-18-7 , Aminopyrine-barbital

  • Name: Aminopyrine-barbital
  • Synonyms: Aminopyrine-barbital;5,5-diethyl-1,3-diazinane-2,4,6-trione: 4-dimethylamino-1,5-dimethyl-2 -phenyl-pyrazol-3-one;PYRABITAL;Veramid;
  • CAS Registry Number:
  • Flash Point: 125.9°C
  • Boiling Point: 319.7°C at 760 mmHg
  • Flash Point: 125.9°C
  • Molecular Weight: 415.491
  • InChI: InChI=1/C13H17N3O.C8H12N2O3/c1-10-12(14(2)3)13(17)16(15(10)4)11-8-6-5-7-9-11;1-3-8(4-2)5(11)9-7(13)10-6(8)12/h5-9H,1-4H3;3-4H2,1-2H3,(H2,9,10,11,12,13)
  • Molecular Formula: C13H17N3O•C8H12N2O3
  • Molecular Structure:CAS No:8015-18-7 Aminopyrine-barbital
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References of Aminopyrine-barbital
Title: Pfeiffer's Substance
CAS Registry Number: 8015-18-7
CAS Name: 5,5-Diethyl-2,4,6(1H,3H,5H)-pyrimidinetrione mixture with 4-(dimethylamino)-1,2-dihydro-1,5-dimethyl-2-phenyl-3H-pyrazol-3-one
Synonyms: 4-(Dimethylamino)antipyrine compd with 5,5-diethylbarbituric acid (1:1); corps de Pfeiffer
Molecular Formula: C21H29N5O4
Molecular Weight: 415.49
Percent Composition: C 60.71%, H 7.04%, N 16.86%, O 15.40%
Literature References: A molecular compd of aminopyrine and barbital, prepd by repeated crystn of stoichiometric amounts of the components from a minimum of hot water: Pfeiffer, Z. Physiol. Chem. 146, 98 (1925).
Properties: Silky needles, mp 113-115°. At 115° the melt is turbid, but turns into a clear liquid at 140°. Freely sol in water. The aminopyrine moiety dissolves in benzene, while the barbital moiety precipitates out.
Melting point: mp 113-115°