Potassium bicarbonate is soluble in water, and is often found added to bottled water to affect taste; however, it is not soluble in alcohol. Decomposition of the substance occurs between 100°C and 120°C into K2CO3 (potassium carbonate), H2O (water), and CO2 (carbon dioxide). In concentrations greater than 0.5%, KHCO3 can have phytotoxic effects on plants (potassium bicarbonate has widespread use in crops, especially for neutralizing acidic soil), although there is no evidence of human carcinogenicity, no adverse effects of overexposure, and no LD50.
uses
Fire Extinguisher Ingredient
- Dry powder fire extinguishers
- Efficient fire extinguishing agent for Class B (flammableliquids and gases) and Class C (electrical) type fires
- Automatic release systems for fire prevention
- Airfield, petrochemical, naval and other commercial applications
- Scavenger of acidic fire by-products
Agriculture – Soils
- The absorption of potassiumby soils is enhanced by thebicarbonate
- Reduces the loss of cations inacidic or neutral soils andincreases the action of phosphatefertilizers
- Corrects soil pH, reduces acidity
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