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Monopotassium Phosphate (Phosphate BP), MKP, (also potassium dihydrogen phosphate, 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. Monopotassium Phosphate 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.
Specifications
Arsenic [As] | 3mg/kg max. (FCC), 3ppm max. (NF), 2ppm max. (EP/BP) |
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Assay | 98.0% min. (FCC), 98.0 to 100.5% (NF/EP/BP) |
Insoluble Matter | 0.2% max. (FCC/NF) |
Iron [Fe] | 10ppm max. (EP/BP) |
Reducing Substances | Pass Test (EP/BP) |
Sodium [Na] | 0.1% max. (EP/BP) |
Sulfate | 300ppm max. (EP/BP) |
Appearance of Solution | Clear and Colorless (EP/BP) |
pH | 4.2 to 4.5 (EP/BP) |
Chloride | 200ppm max. (EP/BP) |
Heavy Metals | 10ppm max. (EP/BP) |
Identification | Pass Test (NF/FCC/EP/BP) |
Loss on Drying | 1% max. (FCC), 1.0% max. (NF), 2.0% max. (EP/BP) |
Residual Solvents | Meets Requirements (EP/BP/NF) |
Dipotassium Phosphate (BP/AR) (K2HPO4) (also di-potassium salt; di-potassium hydrogen orthophosphate; potassium phosphate, dibasic) is a highly water-soluble salt, which is often used as a fertilizer, food additive and buffering agent. It is a common source of phosphorus and potassium.A Dipotassium Phosphate solution is formed by the stoichiometric reaction of phosphoric acid with two equivalents of potassium hydroxide
Specifications
Assay (acidimetric) | 98.0-100.5% |
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Appearance of solution | Passes test |
Arsenic (As) | 0.0002% max |
Carbonate | Passes test |
Chloride (Cl) | 0.02% max |
Fluoride (F) | 0.001% max |
Heavy metals (as Pb) | 0.001% max |
Identity | Passes test |
Insoluble substances | 0.2% max |
Iron (Fe) | 0.001% max |
KH2PO4 and tri-Potassium phosphate | Passes test |
Loss on drying (130°C) | 1.0% max |
pH (5%, water) | 8.5-9.6 |
Potassium dihydrogen phosphate | 2.5% max |
Reducing substances | Passes test |
Residual Solvents (Ph.Eur./ICH) | Excluded by production process |
Sodium | Passes test |
Sodium (Na) | 0.1% max |
Sulfate (SO4) | 0.1% max |
Monosodium Phosphate (IP/BP) (NaH2PO4), also known as Sodium Acid Phosphate and Sodium Dihydrogen Phosphate. One of many sodium phosphates, it is a common industrial chemical. We supply as IP/ BP grades as Dihydrate. We can provide Monosodium Phosphate with MLT Test Report. Monosodium Phosphate is used as a laxative in combination with other phosphates, as a pH buffer. Monosodium Phosphate is also used in metal treatment, dyestuffs & in acid based cleaners.
Specifications
Solubility | Freely soluble in water, practically insoluble in alcohol |
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Identification | Complies |
Aluminium, calcium, and related elements | Complies |
Sulphate | Max. 0. 15% |
Chloride | Max. 0. 014% |
Heavy metals | Max. 0. 002% |
Arsenic | Max. 0. 0008% |
pH of 5% solution | 4. 1-- 4. 5 |
Insoluble substances | Max. 0. 2% |
Water | 18. 0-- 26. 5% |
Assay | 98.0% -103.0% |
Disodium Phosphate (Anhydrous BP) is the inorganic compound with the formula Na2HPO4. It is one of several sodium phosphates. The salt is known in anhydrous form as well as forms with 2, 7, 8, and 12 hydrates. All are water-soluble white powders; the anhydrous salt being hygroscopic.
Disodium Phosphate is used primarily as a food additive for stabilization, emulsification and phosphate fortification.
Disodium Phosphate is an acid salt. Acid salts serve as buffers, controlling the acidity or alkalinity of an environment. In a buffer system, the pH of the solution changes little upon the addition of a small amount of strong acid or base. In this capacity, acid salts act both as an acid or a base, depending upon the other chemicals in the environment.
Disodium Phosphate is in various industrial cleaning products, working as a disinfectant, fungicide and sanitizer. It can also be used in medications designed to eliminate retained fluid.
Disodium Phosphate prevents or slows down the growth of bacteria and other microorganisms on foods.
Specifications
Arsenic [As] | 16ppm max. (USP), 3mg/kg max. (FCC), 2ppm max. (EP) |
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Assay | 98.0 to 100.5% (USP), 98.0% min. (FCC), 98.0 to 101.0% (EP) |
Iron [Fe] | 20ppm max. (EP) |
Reducing Substances | Pass Test (EP) |
Sulfate | 0.2% max. (USP), 500ppm max. (EP) |
Appearance of Solution | Pass Test (EP) |
Bacterial Endotoxins | Report EU/mg (EP) |
Chloride | 0.06% max. (USP), 200ppm max. (EP) |
Heavy Metals | 10ppm max. (EP) |
Identification | Pass Test (USP/FCC/EP) |
Loss on Drying | 5.0% max. (USP/FCC), 1.0% max. (EP) |
Monosodium Phosphate | Pass Test (EP) |
Residual Solvents | Meets Requirements (USP/EP) |