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英文名稱：Potassium methoxideCAS號：865-33-8分子式：CH3KO分子量：70.13EINECS號：212-736-1

熔點 -20°C沸點 84°C密度 0.95 g/mL at 20 °C
折射率 n20/D 1.37
閃點 7°C儲存條件 Flammables area溶解度 Soluble in methanol and ethanol.形態Liquid顏色Clear colorlessPH值12.8 (7g/l, H2O, 20℃)水溶解性 may decompose敏感性 Moisture SensitiveBRN 3551544穩定性Stable. Reacts violently with water. Moisture sensitive. Absorbs carbon dioxide from the air. Incompatible with acids, strong oxidizing agents, acid chlorides, acid anhydrides, alkali metals.

危險性符號(GHS)
GHS02,GHS05,GHS06,GHS08警示詞Danger危險性描述H228-H318-H301-H311-H331-H225-H301+H311+H331-H314-H370-H251防范說明P210-P260-P280-P301+P310-P305+P351+P338-P310-P235+P410-P260h-P303+P361+P353-P405-P501a危險品標志 F,T,C危險類別碼 11-14-34-67-65-63-48/20-39/23/24/25-38-23/24/25安全說明 8-16-26-43-45-62-46-36/37/39-33-29-25危險品運輸編號 UN 3274 3/PG 2
WGK Germany 1
F 3-10-23自燃溫度30 - 50 °CTSCA YesHazardClass 4.2PackingGroup II海關編碼 29051900