Potassium Phosphate Monobasic CAS 7778-77-0 Purity >99.5% (Titration) Molecular Biology Grade Factory
Shanghai Ruifu Chemical Co., Ltd. is the leading manufacturer and supplier of Potassium Phosphate Monobasic (CAS: 7778-77-0) with high quality, commercial production. Welcome to order. Please contact: alvin@ruifuchem.com
Chemical Name | Potassium Phosphate Monobasic |
Synonyms | MKP; Potassium Dihydrogen Phosphate; Monopotassium Phosphate |
CAS Number | 7778-77-0 |
CAT Number | RF-PI1662 |
Stock Status | In Stock, Production Scale Up to Tons |
Molecular Formula | KH2PO4 |
Molecular Weight | 136.09 |
Brand | Ruifu Chemical |
Item | Specifications |
Grade | Molecular Biology Grade |
Appearance | White Crystals or Crystalline Powder |
Purity / Analysis Method | >99.5% (Titration by NaOH, on Dried Basis) |
Water (by Karl Fischer) | ≤0.20% |
Loss on Drying | ≤0.20% |
Water Insoluble Matter | ≤0.002% |
Heavy Metals (as Pb) | <10ppm |
Arsenic (As) | <3ppm |
Iron (Fe) | <10ppm |
Lead (Pb) | <5ppm |
Chloride (Cl) | <5ppm |
Sodium (Na) | <0.02% |
Total Nitrogen | <0.001% |
Sulfate (SO4) | <0.003% |
Copper (Cu) | <5ppm |
Fluorides (F) | <10mg/kg |
UV Absorption/210nm | ≤0.10 |
UV Absorption/220nm | ≤0.06 |
UV Absorption/230nm | ≤0.04 |
UV Absorption/300nm | ≤0.02 |
UV Absorption/500nm | ≤0.02 |
pH (50g/L,25) | pH of Water Solution 4.2~4.8 |
Solubility | Clear, Colorless (H2O Soluble 0.1 g/ml at 25℃) |
Total Metallic Impurities | ≤200ppm |
DNase, RNase, Protease | Not Detected |
Filter Test | Corresponds to Standard |
Test For RP Gradient | Corresponds to Standard |
X-Ray Diffraction | Conforms to Structure |
Test Standard | Enterprise Standard; FCC |
Usage | Buffer; Food Additives; Pharmaceutical Intermediates; etc. |
Package: Bottle, Aluminium foil bag, 25kg/Cardboard Drum, or according to customer's requirement.
Storage Condition: Store in sealed containers at cool and dry place; Protect from light and moisture.


Potassium Phosphate Monobasic (CAS: 7778-77-0), (1) It is a commonly used laboratory reagent useful in formulating buffered solutions for applications such as: equilibrium dialysis, high performance liquid chromatography (HPLC), and affinity capillary electrophoresis (ACE). (2) In buffers for pH determination. (3) As feed phosphorus additives; In the food industry, it is used for the manufacture of baked goods, for leavening agent, flavoring agent, fermentation additives, nutritional fortifiers, yeast food. Also used as a buffer, chelating agent. (4) It can be used for the fertilization of rice, wheat, cotton, rape, tobacco, sugar cane, apple and other crops. (5) As a highly efficient fertilizer, it is suitable for all kinds of soil and crops. It can also used as a bacterial culture agent, the flavoring agent for the synthesis of sake and the raw material for making potassium metaphosphate. (6) Used as feed nutritional supplements; As a quality improver, it has effects of improving the complexation metal ions and pH value, increasing the ionic strength of food, and thus improving the adhesion and water holding capacity of food.
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