Potassium Phosphate, Dibasic, Anhydrous (K2HPO4) is a reagent with a very high buffering capacity. Widely used in molecular biology, biochemistry, and chromatography. Potassium phosphate occurs in several forms: monobasic (KH2PO4), dibasic (K2HPO4), and tribasic (K3PO4).
- Cas No:
- 7758-11-4
- Formula:
- K2HPO4
- Molecular Weight:
- 174.18
- Character:
- Colorless or white, granular salt that is deliquescent when expose to moist air. Soluble in water, insoluble in alcohol.
- Packaging:
- 50 Kg. HDPE bags with polyliner inside.
- Storage:
- Preserve in well closed container.
Available Grade & Specification
| Item | IP | FCC ( FOOD) |
|---|---|---|
| Assay | NLT 98.0% &NMT 100.5% on dry basis | NLT 98.0% &NMT 101.5% of K2HPO4 after drying |
| Identification | Positive | Positive |
| pH ( 1 in 20 ) | 8.5 – 9.6 | 9.0 of 1% solution |
| Insoluble Substances | 0.2% max | 0.2% max |
| Carbonate | Pass the test | |
| Arsenic | 3 PPM Max | 3PPM Max |
| Heavy metals | 0.001% Max | 2 PPM as Pb |
| Iron | 0.003% Max | |
| Chloride | 0.03% max | |
| Sodium | Passes the test | |
| Loss on drying | NMT 1.0% | NMT 2.0% |
| Sulphate | 0.1%Max | |
| Limit Of Fluoride | 0.001% Max | 10 PPM Max |
| Limit of monobasic or tribasic salt | Pass the test | Pass the test |
Application & Industries
Food
As imitation dairy creamer.
Dry powder beverages to prevent coagulation of Mineral supplements & stator cultures.
Addictive in cheese processing.
Pharma
Nutrient in microorganism culture to produce antibiotics.
As buffering agent in certain pharmaceuticals.