8-羟基喹啉 8-Hydroxyquinoline

物理描述 Physical Description

8-hydroxyquinoline appears as white to off-white or faintly yellow crystalline powder. Phenolic odor. (NTP, 1992)

颜色/状态 Color Form

White crystals or white crystalline powder

气味 Odor

Phenolic odor

沸点 Boiling Point

267.0 °C

熔点 Melting Point

75.5 °C

溶解度 Solubility

In water, 556 mg/l @ 20 °C

密度 Density

1.034 @ 20 °C

蒸汽压力 Vapor Pressure

1.66X10-3 mm Hg @ 25 °C

稳定性/保质期 Stability Shelf Life

DARKENS WHEN EXPOSED TO LIGHT.

分解 Decomposition

WHEN HEATED TO DECOMP EMITS HIGHLY TOXIC FUMES OF /NITROGEN OXIDES/.

解离常数 Dissociation Constants

pKa 5.017; Ka 1.21X10-6 at 20 °C

保留指数 Kovats Retention Index

1326.3;1348.9;1339;1312

其他实验性质 Other Experimental Properties

Pale yellow, crystalline powder; slight saffron odor; burning taste; MP: 175-178 °C; freely sol in water; insol in ether; sol in about 100 parts glycerol; slightly sol in alcohol /8-Hydroxyquinoline sulfate/

辛醇/水分配系数 LogP

2.02 (LogP)

酸度系数/解离常数 pKa

5.017

碰撞截面 Collision Cross Section

123.6 Ų [M+H]+ [CCS Type: TW, Method: calibrated with polyalanine and drug standards]