英文名称：Potassium hydroxideCAS号：1310-58-3分子式：KOH分子量：56.11EINECS号：215-181-3

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)OdorlessPH值14 (56g/l, H2O, 20℃)爆炸极限值(explosive limit)3.5-15.0%(V) (ethanol)水溶解性 soluble敏感性 Air Sensitive & HygroscopicMerck 14,7640暴露限值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.InChIKeyKWYUFKZDYYNOTN-UHFFFAOYSA-M

危险性符号(GHS)
GHS05,GHS07,GHS02,GHS06,GHS08警示词Danger危险性描述H225-H303-H311-H318-H331-H370-H290-H302-H314-H315-H319防范说明P301+P330+P331-P280-P301+P312+P330-P303+P361+P353-P304+P340+P310-P305+P351+P338-P260-P264-P280a-P321-P332+P313-P337+P313-P210-P260h-P405-P501a危险品标志 C,F,T,Xi危险类别码 34-35-22-11-39/23/24/25-23/24/25-36/38-36/37-67-52/53安全说明 7-16-36/37-45-36/37/39-26-61危险品运输编号 UN 2924 3/PG 2
WGK Germany 1
RTECS号TT2100000
F 3自燃温度425 °C (ethanol)TSCA YesHazardClass 8PackingGroup II海关编码 28259090毒性LD50 orally in rats: 1.23 g/kg (Smyth)