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中文名 氢氧化钾
英文名 Potassium hydroxide
CAS 1310-58-3
分子式 KOH
分子量 56.11
EINECS 215-181-3
结构式 氢氧化钾
性质
熔点 361 °C(lit.)
沸点 1320°C
密度 1.450 g/mL at 20 °C
蒸气压 1 mm Hg ( 719 °C)
折射率 n20/D 1.421
闪点 52 °F
储存条件 0-6°C
溶解度 H2O: 1 M at 20 °C, clear, colorless
形态 powder
颜色 white
比重 1.09
气味 (Odor) Odorless
PH值 14 (56g/l, H2O, 20℃)
极限值(explosive limit) 3.5-15.0%(V) (ethanol)
水溶解性 soluble
敏感性 Air Sensitive & Hygroscopic
Merck 14,7640
限值 Ceiling in air 2 mg/m3 (ACGIH).
稳定性 Stable, but very hygroscopic. Dissolves exothermically in water. Incompatible with most metals, strong acids, acid chlorides, organic materials, zinc, aluminium, nitroalkanes, nitrobenzene, chlorine dioxide. Reacts vigorously with a wide variety of other materials. Readily absorbs water and carbon dioxide from the air.
InChIKey KWYUFKZDYYNOTN-UHFFFAOYSA-M
NIST化学物质信息 Potassium hydroxide(1310-58-3)
EPA化学物质信息 Potassium hydroxide (1310-58-3)