pka5.25(at 25℃) colorcolorless OdorNauseating odor detectable at 0.23 to 1.9 ppm (mean = 0.66 ppm) Relative polarity0.302 PH8.81 (H2O, 20℃) explosive limit12.4% Odor Threshold0.063ppm Odor Typefishy biological sourcesynthetic Water SolubilityMiscible ...
Zolpidem is characterized by a single ionization constant, for which the pKa = 6.2 [3]. 1.2.4 Hygroscopicity A white or almost white hygroscopic crystalline powder [3]. 1.2.5 Thermal methods of analysis 1.2.5.1 Melting behavior The melting point of zolpidem is 196 °C. The melting point of...
CAS号110-86-1 分子式C5H5N 分子量79.1 EINECS号 相关类别 Mol文件110-86-1.mol 结构式 Pyridine 性质 熔点-42 °C 沸点115 °C 密度0.978 蒸气密度2.73 (vs air) 蒸气压18 mm Hg @ at 20°C 折射率1.509-1.510 闪点17 °C 形态液体 酸度系数(pKa)5.23±0.10(Predicted) ...
酸度系数(pKa) :3.46±0.10(Predicted) 3-Bromo-5-(3-aminophenyl)pyridine上下游产品信息 上游原料 下游产品 3-Bromo-5-(3-aminophenyl)pyridine生产厂家 中国3 全球3 3-Bromo-5-(3-aminophenyl)pyridine国内生产厂家 公司名称:康姆芘法思(上海)生物科技有限公司 联系电话:021-65232103 17602124823 电子邮件:comb...
CAS号:21797-99-9 英文名:3-Cyano-7-methylimidazo(1,2-a)pyridine 中文名: CBNumber:CB51012300 分子式:C9H7N3 分子量:157.17 MOL File:21797-99-9.mol3-Cyano-7-methylimidazo(1,2-a)pyridine化学性质密度:1.19±0.1 g/cm3(Predicted) 酸度系数(pKa) :3.20±0.50(Predicted)...
Pyridine is a weak base (pKa= 5.25); a 0.2 M solution has a pH of 8.5 (HSDB 1988). Its carbon atoms are deactivated towards electrophilic substitution. This is especially true in acidic media, where salts form at the nitrogen. It does, however, readily undergo nucleophilic substitution, pr...
Luning, U
350-03-8 Chemical Name: 3-Acetylpyridine Synonyms 3-Acetylpiridine;methylpyridylketone;1-(3-PYRIDINYL)ETHANONE;Ethanone,1-(3-pyridinyl)-;NSC 761;FEMA 3424;Imatinib-int A;3-ActylPyridine;3-ACETOPYRIDINE;3-ACETYLPYRIDNE CBNumber: CB9286704 ...
Plažek, E., Sorokowska, A., and Tolopka, D. Chem. Abstr. 33 (1939) 3379 Google Scholar (a) Tschitschibabin, A. E. and Schapiro, S. A. Zh. russk. fiz.-khim. Obshch. 53 (1921) 233; Google Scholar (b) Binz, A. and Maier-Bode, H. Angew. Chem. 49 (1936) 486 CA...
pka-5.87±0.10(Predicted) formsolid colorOff-white to light brown InChIKeyXNPMXMIWHVZGMJ-UHFFFAOYSA-N CAS DataBase Reference2893-33-6 UNSPSC Code12352100 NACRESNA.22 SAFETY Risk and Safety Statements Symbol(GHS) GHS07 Signal wordWarning ...