Potassium Hydroxide

Conditions to avoidDo not heat above melting point.Materials to avoidNitro compounds, Organic materials, Magnesium, Copper, Water, reacts violently with:, Metals, Light metals,Contact with aluminum, tin and zinc liberates hydrogen gas. Contact with nitromethane and other similar nitrocompounds causes formation of shock-sensitive salts., vigorous reaction with:, Alkali metals, Halogens, Azides,AnhydridesHazardous decomposition productsHazardous decomposition products formed under fire conditions. - Potassium oxides11. TOXICOLOGICAL INFORMATIONAcute toxicityLD50 Oral - rat - 273 mg/kgSkin corrosion/irritationSkin - rabbit - Severe skin irritation - 24 hSerious eye damage/eye irritationEyes - rabbit - Eye irritation - 24 hRespiratory or skin sensitizationno data availableGerm cell mutagenicityno data availableCarcinogenicityIARC: No component of this product present at levels greater than or equal to 0.1% is identified asprobable, possible or confirmed human carcinogen by IARC.Reproductive toxicityno data availableSpecific target organ toxicity - single exposureno data availableSpecific target organ toxicity - repeated exposureno data availableAspiration hazardno data availablePotential health effectsInhalationMay be harmful if inhaled. Material is extremely destructive to the tissue of themucous membranes and upper respiratory tract.IngestionHarmful if swallowed. Causes severe burns.SkinMay be harmful if absorbed through skin. Causes severe skin burns.EyesCauses severe eye burns.Additional InformationRTECS: TT210000012. ECOLOGICAL INFORMATIONToxicityToxicity to fish LC50 - Gambusia affinis (Mosquito fish) - 80 mg/l - 96 hPersistence and degradabilityno data availableBioaccumulative potentialno data availableMobility in soilSigma-Aldrich - 484016 Page 4 of 5