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CAS NO 584-08-7 White powder potash is used primarily as an agricultural
Potash is the primary component of potash and the more refined pearl ash or
salts of tartar. Historically, pearl ash was created by baking potash in a kiln to
remove impurities. The fine, white powder remaining was the pearl ash. The
first patent issued by the US Patent Office was awarded to Samuel Hopkins in 1790
for an improved method of making potash and pearl ash.
In late 18th century North America, before the development of baking powder, pearl
ash was used as a leavening agent in quick breads.
Potassium carbonate (chemical formula: K2CO3), also known as potash; its
appearance is colorless crystal or white granules and is easily soluble in water with
its solution being strongly alkaline. Cool its saturated solution with generating
glassy monoclinic crystalline hydrate 2K2CO3 • 3H2O separated. It has a density of
2.043. It will lose its crystal water at 100 ℃. It is insoluble in ethanol, acetone and
ether. It has a strong hygroscopic effect and can absorb carbon dioxide and water
upon exposure to air to be converted into potassium bicarbonate. It can be
generated through the reaction between potassium hydroxide with carbon dioxide
Today, potassium carbonate is prepared commercially by the electrolysis of
potassium chloride. The resulting potassium hydroxide is then carbonated using
carbon dioxide to form potassium carbonate, which is often used to produce other
2KOH + CO2 → K2CO3 + H2O
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Potash is used primarily as an agricultural fertilizer (plant nutrient) because it is
a source of soluble potassium, one of the three primary plant nutrients.
Hand protection: handle with gloves. Eye protection: safety glasses.
Skin and Body protection: choose body protection according to the amount and
concentration of the dangerous substance at the work place.Handle in accordance
with good industrial hygiene and safety practice. Wash hands before breaks and at
the end of workday.
Accidental release measures. Use personal protective equipment. Avoid dust
formation. Avoid breathing dust.
If breathed in, move person into fresh air. If not breathing give artificial respiration.
Consult a physician.
In case of skin contact, wash off with soap and plenty of water.
Consult a physician.
In case of eye contact, rinse thoroughly with plenty of water for at least 15 minutes
and consult a physician.
If swallowed, never give anything by mouth to an unconscious person. Rinse mouth
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