Potassium hydroxide KOH 90% 95%Flakes (chemical formula :KOH, formula :56.11) white powder or flake solid. The melting point was 360~406ºC, the boiling point was 1320~1324ºC, the relative density was 2.044g/cm, the flash point was 52°F, the refractive index was N20 /D1.421, the vapor pressure was 1mmHg(719ºC). Highly alkaline and corrosive. Very easy to absorb moisture in the air and delirium, absorb carbon dioxide and become potash. Soluble in about 0.6 parts hot water, 0.9 parts cold water, 3 parts ethanol and 2.5 parts glycerin. A great deal of heat is produced when dissolved in water, alcohols, or treated with acids. The pH of 0.1 molar solution is 13.5. Medium toxicity, half of the lethal dose (rats, through the mouth)1230mg/kg. Soluble in ethanol, slightly soluble in ether. It is highly alkaline and corrosive, and its properties are similar to caustic soda.
Item |
Test result |
KOH |
95.0 |
K2CO3 |
0.5 |
Chloride (Cl) |
0.005 |
Fe |
0.0005 |
Sulfate (SO42-) |
0.005 |
Nitrate&Nitrite (N) |
0.0005 |
Na |
0.8 |
Phosphate (PO4) |
0.005 |
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Q: Are you a manufacturer or a trading company?
A: We are a manufacturer located in Hebei Province.
Can I get some samples before I place an order?
A: Yes, we can provide free samples, but you will pay the freight.
Q: How long will it take to get a sample?
A: 7-10 days for general products, 30-40 days for customized products. Depends on production arrangements.
Q: What documents do you provide?
A: Usually we provide commercial invoice, packing list, bill of lading, COA, health certificate. If your market has any special requirements, please let us know.