Potassium hydroxide
Contact Info
- Address:山東省淄博市高新區(qū)柳泉路 139 號齊魯電商谷 D3 座 7 層 704 室, Zip: 255000
- Contact: 張經(jīng)理
- Tel:18653369603
- Email:[email protected]
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Domestic potassium hydroxide manufacturers produce an organic compound. Potassium hydroxide is an inorganic compound with the chemical formula KOH. It is a common inorganic base with strong alkalinity. A 0.1 mol/L solution has a pH of 13.5. It is soluble in water and ethanol, slightly soluble in ether, and highly hygroscopic, absorbing moisture from the air to deliquesce. It absorbs carbon dioxide to form potassium carbonate. It is mainly used as a raw material for producing potassium salts and can also be used in electroplating, printing, and dyeing.
1. Properties: Colorless transparent liquid with a pungent odor.
Reaction Type | Reaction Condition | Equation |
|---|---|---|
Color Reaction | Turns litmus test solution blue and phenolphthalein test solution red. | —— |
Reaction with Acids | Reaction with hydrochloric acid. | KOH+HCl = KCl+H2O |
Reaction with sulfuric acid. | 2KOH+H2SO4 = K2SO4+2H2O | |
Reaction with nitric acid. | KOH+HNO3 = KNO3+H2O | |
Reaction with hydrogen sulfide. | 2KOH+H2S=K2S+2H2O | |
Reaction with Acidic Oxides | Reaction with carbon dioxide. | KOH+CO2 = KHCO3 (The deterioration reaction of potassium hydroxide and also the main method for producing the important chemical raw material K2CO3) 2KOH+CO2 = K2CO3+H2O |
Reaction with sulfur dioxide. | 2KOH+SO2 = K2SO3+H2O | |
Reaction with Amphoteric Metals | Such as reaction with aluminum. | 2Al+2KOH+2H2O = 2KAlO2+3H2↑ |
Reaction with Amphoteric Oxides | Such as reaction with aluminum oxide. | Al2O3+2KOH = 2KAlO2+H2O |
Reaction with Amphoteric Hydroxides | Such as reaction with aluminum hydroxide. | Al(OH)3+KOH=KAlO2+2H2O |
Double Displacement Reaction with Salt Solutions | Such as reaction with copper sulfate. | CuSO4+2KOH = Cu(OH)2↓+K2SO4 |
Such as reaction with copper chloride. | 2KOH+CuCl2 = Cu(OH)2↓+2KCl | |
Such as reaction with ferric chloride. | FeCl3+3KOH = Fe(OH)3↓+3KCl[2] |
1. Used in electroplating, engraving, lithography, etc.
2. Used as a raw material for the production of potassium salts, such as potassium permanganate, potassium carbonate, etc.
3. In the pharmaceutical industry, used to produce potassium borohydride, spironolactone, batyl alcohol, testosterone propionate, progesterone, vanillin, etc.
4. In the light industry, used to produce potassium soap, alkaline batteries, cosmetics (such as cold cream, vanishing cream, and shampoo).
5. In the dye industry, used to produce vat dyes, such as Vat Blue RSN, etc.
6. Used as an analytical reagent, saponification reagent, and absorbent for carbon dioxide and moisture.
Storage precautions: Store in a cool, dry, well-ventilated warehouse. Keep away from fire and heat sources. The humidity in the warehouse should preferably not exceed 85%. The packaging must be sealed and must not be exposed to moisture. It should be stored separately from flammable (combustible) materials, acids, etc., and must not be mixed. The storage area should be equipped with suitable materials to contain leaks.
| Industry Category: | Chemicals/Inorganic Salts/Other Inorganic Salts |
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