CAS Number: 7778-77-0
Other names: Potassium Phosphate Monobasic; Potassium Biphosphate
Monopotassium phosphate, MKP, (also potassium dihydrogenphosphate, KDP, or monobasic potassium phosphate), KH2PO4, is a soluble salt of potassium and the dihydrogen phosphate ion which is used as a fertilizer, a food additive and a fungicide. It is a source of phosphorus and potassium. It is also a buffering agent.
When used in fertilizer mixtures with urea and ammonium phosphates, it minimizes escape of ammonia by keeping the pH at a relatively low level.
Monopotassium phosphate, is a soluble salt of potassium and the dihydrogen phosphate ion, It is colourless or white crystalline granule or powder It is a source of phosphorus and potassium. Fine crystalline powder which dissolves quickly in water without any residues. It is suited to application through all fertigation systems – hydroponics, drip systems, low throw sprinklers, centre pivots and spray units.
Fertilizer-grade MKP powder contains the equivalent of 52% P2O5 and 34% K2O, and is labeled NPK 0-52-34. MKP powder is often used as a nutrient source in the greenhouse trade and in hydroponics. When used in fertilizer mixtures with urea and ammonium phosphates, it minimizes escape of ammonia by keeping the pH at a relatively low level.
2. Food Additive
It is used as an ingredient in emulsifying salts for processed cheese products, and a component in Gatorade and meat products. Monopotassium Phosphate is widely used as Leavening agent in food production. As Leavening agent: in baked food to promote fermentation and enhance nutrition. Potassium phosphate helps stabilize, thicken and regulate the acidity and moisture in foods. It's often used in large amounts in soft drinks, canned fish, processed meats, sausages, ham and baked goods. Canned and dried vegetables, chewing gum, chocolate products, condensed milk, puddings, breakfast cereals, candies, crackers, alcoholic beverages, pasta, fruit juices, dairy products, salt substitutes and other seasonings, soups and tofu can also contain potassium phosphate. Overall, any kind of processed foods, including fast foods, may contain added phosphates such as potassium phosphates.
3. Nutritional Supplement
Monopotassium Phosphate is widely used as nutritional supplements. It is found in many multivitamin and minerals supplements to provide adequate supply to meet the recommended dietary requirements. Separate Potassium Phosphate supplements are typically only used for treating low phosphate levels, such as those that occur in certain hereditary disorders. These supplements should only be used under a doctor's supervision. Monopotassium Phosphate is widely used as nutritional supplement in Agriculture/Animal Feed.
4. Medical Use
Potassium Phosphate used as a medicine has diuretic effect and act as a laxative. However, phosphorus can interact with some medications, including corticosteroids and potassium-sparing diuretics, increasing the risk for adverse effects; only use it when advised to do so by a doctor.
Potential Health Considerations
Unintentionally consume too much Phosphate increases the risk that people with kidney problems increases the risk for heart disease Most adults shouldn't consume more than the tolerable upper intake level of 4,000 milligrams of phosphorus per day.