Monopotassium Phosphate (MKP)
MKP is a low-sodium moisture-retaining agent, acidity adjuster, and chelating agent used in food industry and fermentation, and a nourishing supplement in feed processing. Industrial grade is used as a highly effective composite fertilizer and nutrient solution.
- Manufacturer since 1952 — batch-level Certificate of Analysis (COA) on every shipment
- Long-term supply contracts with committed monthly allocations, insulated from spot-market swings
- Third-party pre-shipment inspection (SGS / BV) welcomed on request
Quick facts
Standard: GB 1886.337-2021; FCC; GB 34470-2017 (food/feed) · HG/T 4511-2013 (industrial)
Appearance: White crystal or powder
Packaging: 25 kg, 50 kg, 1000 kg bags, or according to customer's demand
Specification — Food & Feed Grade
| Item | Food Grade | Feed Grade |
|---|---|---|
| Main contents (KH₂PO₄) (dry basis), w/% ≥ | 98.0 | 98.0 |
| Main contents (as P) (dry basis), w/% | — | 22.3 |
| Main contents (as K) (dry basis), w/% | — | 28.0 – 32.0 |
| Loss of dryness, w/% ≤ | 1.0 | 0.5 |
| Water insoluble, w/% ≤ | 0.2 | 0.2 |
| pH (10 g/L solution) | 4.2 – 4.7 | — |
| Heavy metals (as Pb), mg/kg ≤ | 10 | — |
| Fluoride (F), mg/kg ≤ | 10.0 | 200 |
| Arsenic (As), mg/kg ≤ | 3.0 | 10 |
| Chromium (Cr), mg/kg ≤ | — | 30 |
| Lead (Pb), mg/kg ≤ | 2.0 | 30 |
| Sulphate (as SO₄²⁻), w/% ≤ | — | 0.5 |
Standard executed: GB 1886.337-2021; FCC; GB 34470-2017.
Specification — Industrial Grade
| Item | First Class | Qualified |
|---|---|---|
| Main contents (KH₂PO₄, dry basis), w/% | 98.0 | 97.0 |
| Burnt potash (K₂O), w/% ≥ | 33.5 | 33.0 |
| Water insoluble, w/% ≤ | 0.2 | 0.5 |
| Arsenic (As), w/% ≤ | 0.015 | — |
| Heavy metals (as Pb), w/% ≤ | 0.008 | — |
| Iron (Fe), w/% ≤ | 0.008 | — |
| Chloride (as Cl), w/% ≤ | 0.2 | |
| pH (30 g/L solution) | 4.3 – 4.7 | |
| Moisture, w/% | 1.0 | 2.0 |
Standard executed: HG/T 4511-2013.
Customized specification available. Particle size and packaging can be produced to your requirement. The batch Certificate of Analysis (COA) prevails for every shipment.
Applications
Sports & Nutrition Drinks
Low-sodium potassium and phosphorus source for isotonic beverages and nutrition products.
Fermentation
Nutrient substance in fermentation processes.
Fertilizer & Feed
Composite fertilizer and nutrient solution in industrial grade; nourishing supplement in feed.
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