Detail of "10425-71-5"

CAS Number:
10425-71-5
Name:
4-Pyridinol,3,5-dinitro-
Molecular Structure:
Formula:
C5H3 N3 O5
Molecular Weight:
185.09
Synonyms:
3,5-Dinitro-4-hydroxypyridine;3,5-Dinitro-4-pyridinol; 4-Hydroxy-3,5-dinitropyridine
Density:
1.69g/cm³
Boiling Point:
318°Cat760mmHg
Flash Point:
146.1°C

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Constant-volume combustion energy of the lead salts of 2HDNPPb and 4HDNPPb and their effect on combustion characteristics of RDX-CMDB propellant: All Rights Reserved. Constant-volume combustion energy of the lead salts of 2HDNPPb and 4HDNPPb and their effect on combustion characteristics of RDX-CMDB propellant. Fengqi, Z.; Hongxu, G.; Yang, L.; Rongzu, H.; Pei, C.; Sheng-li, G.; Xu-wu, Y.; Qizhen, S. (Xian Modern Chemistry Research Institute, Xian, Shaanxi 710065, Peop. Rep. China). Journal of Thermal Analysis and Calorimetry, 85(3), 791-794 (English) 2006 Springer. CODEN: JTACF7. ISSN: 1388-6150. DOCUMENT TYPE: Journal CA Section: 50 (Propellants and Explosives) The const.-vol. combustion energies of the lead salts of 2-hydroxy-3,5-dinitropyridine (2HDNPPb) and 4-hydroxy-3,5-dinitropyridine (4HDNPPb), DUc (2HDNPPb(s) and 4HDNPP(s)), were detd. as -4441.92±2.43 and -4515.74±1.92 kJ mol-1 , resp., at 298.15 K. Their std. enthalpies of combustion, DcHqm(2HDNPPb(s) and 4HDNPPb(s), 298.15 K), and std. enthalpies of formation, DrHqm(2HDNPPb(s) and 4HDNPPb(s), 298.15 K) were as -4425.81±2.43, -4499.63±1.92 kJ mol-1 and -870.43±2.76, -796.65±2.32 kJ mol-1 , resp. As two combustion catalysts, 2HDNPPb and 4HDNPPb can enhance the burning rate and reduce the pressure exponent of RDX-CMDB propellant.Except for chemicals metioned above, 121-82-4 and 10425-71-5 are also used. .