Detail of "950-81-2"

CAS Number:
950-81-2
Name:
1H-Pyrazole-4-carboxaldehyde,2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-
Molecular Structure:
Formula:
C12H12 N2 O2
Molecular Weight:
216.24
Synonyms:
Antipyraldehyde(6CI,7CI,8CI); 1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazole-4-carboxaldehyde;2,3-Dimethyl-4-formyl-1-phenyl-5-pyrazolone;2,3-Dimethyl-5-oxo-1-phenyl-3-pyrazoline-4-carboxaldehyde;4-Antipyrinecarboxaldehyde; 4-Formyl-2,3-dimethyl-1-phenyl-3-pyrazolin-5-one;4-Formyl-2,3-dimethyl-1-phenyl-3-pyrazoline-5-one; 4-Formylantipyrine; NSC60408
Density:
1.292g/cm³
Melting Point:
162-165 °C(lit.)
Boiling Point:
334.8°Cat760mmHg
Flash Point:
145.4°C
Hazard Symbols:
Risk Codes:
36/37/38
Safety:
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26-36
WGK Germany 3

Hazard Note Irritant
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Copper(II) complexes of 4-formylantipyrine N(4)-substituted thiosemicarbazones: Copper(II) complexes of 4-formylantipyrine N(4)-substituted thiosemicarbazones. El-Sawaf, Ayman K.; West, Douglas X.Except for chemicals metioned above, 950-81-2 is also used.; El-Saied, Fathy A.; El-Bahnasawy, Ramadan M. (Department of Chemistry, Illinois State University, Normal, IL 61790-4160, USA). Transition Metal Chemistry (London), 22(4), 360-365 (English) 1997 Chapman & Hall. CODEN: TMCHDN. ISSN: 0340-4285. DOCUMENT TYPE: Journal CA Section: 78 (Inorganic Chemicals and Reactions) Section cross-reference(s): 77 Cu(II) complexes between three 4-formylantipyrine N(4)-substituted thiosemicarbazones and four Cu(II) salts were prepd. and characterized. IR, electronic and ESR spectra of the complexes, as well as IR, electronic and 1H and 13C-NMR spectra of the thiosemicarbazones, were obtained. Both mononuclear and binuclear complexes were formed with bridging ligands for the latter, being either chloro or acetato. The stoichiometries of the complexes are dependent on both the steric requirements of the thiosemicarbazone ligands and the electronic effects of their N(4)-substituents.Except for chemicals metioned above, 950-81-2 is also used. ..

Copper(II) complexes of 4-formylantipyrine N(4)-substituted thiosemicarbazones: Copper(II) complexes of 4-formylantipyrine N(4)-substituted thiosemicarbazones. El-Sawaf, Ayman K.; West, Douglas X.Except for chemicals metioned above, 950-81-2 is also used.; El-Saied, Fathy A.; El-Bahnasawy, Ramadan M. (Department of Chemistry, Illinois State University, Normal, IL 61790-4160, USA). Transition Metal Chemistry (London), 22(4), 360-365 (English) 1997 Chapman & Hall. CODEN: TMCHDN. ISSN: 0340-4285. DOCUMENT TYPE: Journal CA Section: 78 (Inorganic Chemicals and Reactions) Section cross-reference(s): 77 Cu(II) complexes between three 4-formylantipyrine N(4)-substituted thiosemicarbazones and four Cu(II) salts were prepd. and characterized. IR, electronic and ESR spectra of the complexes, as well as IR, electronic and 1H and 13C-NMR spectra of the thiosemicarbazones, were obtained. Both mononuclear and binuclear complexes were formed with bridging ligands for the latter, being either chloro or acetato. The stoichiometries of the complexes are dependent on both the steric requirements of the thiosemicarbazone ligands and the electronic effects of their N(4)-substituents.Except for chemicals metioned above, 950-81-2 is also used. ..