Potassium Hydroxide

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S45Other hazards - noneIn case of accident or if you feel unwell, seek medical advice immediately(show the label where possible).3. COMPOSITION/INFORMATION ON INGREDIENTSSynonyms : Caustic potashFormula : HKOMolecular Weight : 56,11 g/molCAS-No. EC-No. Index-No. Classification Concentration<strong>Potassium</strong> hydroxide1310-58-3 215-181-3 019-002-00-8 Skin Corr. 1A; Acute Tox. 4;H314, H302C, R22 - R35For the full text of the H-Statements mentioned in this Section, see Section 16.-4. FIRST AID MEASURESGeneral adviceConsult a physician. Show this safety data sheet to the doctor in attendance.If inhaledIf breathed in, move person into fresh air. If not breathing give artificial respiration Consult a physician.In case of skin contactTake off contaminated clothing and shoes immediately. Wash off with soap and plenty of water. Consult aphysician.In case of eye contactRinse thoroughly with plenty of water for at least 15 minutes and consult a physician.If swallowedDo NOT induce vomiting. Never give anything by mouth to an unconscious person. Rinse mouth with water.Consult a physician.5. FIRE-FIGHTING MEASURESSuitable extinguishing mediaUse extinguishing measures that are appropriate to local circumstances and the surrounding environment.Special protective equipment for fire-fightersWear self contained breathing apparatus for fire fighting if necessary.Further informationGives off hydrogen by reaction with metals.The product itself does not burn.6. ACCIDENTAL RELEASE MEASURESPersonal precautionsUse personal protective equipment. Avoid dust formation. Avoid breathing dust. Ensure adequate ventilation.Evacuate personnel to safe areas.Environmental precautionsDo not let product enter drains.Methods and materials for containment and cleaning upPick up and arrange disposal without creating dust. Keep in suitable, closed containers for disposal.7. HANDLING AND STORAGEPrecautions for safe handlingAvoid formation of dust and aerosols.Sigma-Aldrich - 484016 Page 2 of 5
Provide appropriate exhaust ventilation at places where dust is formed.Conditions for safe storageStore in cool place. Keep container tightly closed in a dry and well-ventilated place.Absorbs carbon dioxide (CO2) from air.Air sensitive. strongly hygroscopic8. EXPOSURE CONTROLS/PERSONAL PROTECTIONPersonal protective equipmentRespiratory protectionWhere risk assessment shows air-purifying respirators are appropriate use a full-face particle respiratortype N100 (US) or type P3 (EN 143) respirator cartridges as a backup to engineering controls. If therespirator is the sole means of protection, use a full-face supplied air respirator. Use respirators andcomponents tested and approved under appropriate government standards such as NIOSH (US) or CEN(EU).Hand protectionThe selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and thestandard EN 374 derived from it.Handle with gloves.Eye protectionFace shield and safety glassesSkin and body protectionChoose body protection according to the amount and concentration of the dangerous substance at thework place.Hygiene measuresHandle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and atthe end of workday.9. PHYSICAL AND CHEMICAL PROPERTIESAppearanceFormflakesSafety datapH 13,5Melting point 361 °CBoiling point 1.320 °CFlash pointIgnition temperatureLower explosion limitUpper explosion limitno data availableno data availableno data availableno data availableVapour pressure 1 hPa at 719 °C1 hPa at 714 °CDensityWater solubility2,044 g/cm3soluble10. STABILITY AND REACTIVITYChemical stabilityHeat of solution is very high, and with limited amounts of water, violent boiling may occur Stable underrecommended storage conditions.Sigma-Aldrich - 484016 Page 3 of 5
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Potassium Hydroxide

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