Detail of "3656-02-8"

CAS Number:
3656-02-8
Name:
1H-Pyrazole-3,5-diamine,4-(2-phenyldiazenyl)-
Molecular Structure:
Formula:
C₉H₁₀N₆
Molecular Weight:
202.22
Synonyms:
3,5-Diamino-4-phenylazopyrazole;4-[(E)-Phenyldiazenyl]-1H-pyrazole-3,5-diamine;4-Phenylazo-1H-pyrazole-3,5-diamine;Pyrazole-3,5-diamine, 4-phenylazo-;
Density:
1.522 g/cm³
Boiling Point:
535.039 °C at 760 mmHg
Flash Point:
277.382 °C

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Solvent and pH effects on the electronic spectra of some 4-arylazo-3,5-diaminopyrazoles: Solvent and pH effects on the electronic spectra of some 4-arylazo-3,5-diaminopyrazoles. El-Haty, M. T.; Amrallah, A. H.; Selim, M. A. (Chem. Dep., Fac. Sci., Aswan, Egypt). Bull. Soc. Chim. Fr., (Nov.Several substances with their cas registry numbers 3656-02-8 and 140651-21-4 may be metioned in this study.-Dec.), 869-72 (English) 1991. CODEN: BSCFAS. ISSN: 0037-8968. DOCUMENT TYPE: Journal CA Section: 22 (Physical Organic Chemistry) The title compds. exist mainly in the azo-hydrazo tautomeric equil. The assignment of the spectral bands obtained and the possible solute-DMF mol. complexes are investigated. Acidity consts. of various acid-base equil. are also detd. .