Industrial-grade phosphate
QitaihePotassium dihydrogen phosphate (industrial grade)
Uses: Primarily used as a corrosion inhibitor in antifreeze agents and as a nutrient supplement in antibiotic culture media.
Category:
Product Description
Molecular formula: K 2 HPO 4 ; K 2 HPO 4 ·3H 2 O
Molecular weight: 174.18; 228.23
CAS NO.: 7758-11-4; 16788-57-1
Technical Specification: HG/T4510-2013
Appearance: White powder
Uses: Primarily used as a corrosion inhibitor in antifreeze agents and as a nutrient supplement in antibiotic culture media.
Packaging: 25 kg and 50 kg bags; bulk ton bags; as per customer requirements.
| Project | Indicator |
| (With K 2 HPO 4 ·H 2 O content, w/% ≥ | 98 |
| (With K 2 HPO 4 ·3H 2 O content, w/% ≥ | 98 |
Phosphorus pentoxide % ≥ | 39.9 |
Potassium oxide %≥ | 40 |
| Chloride (expressed as Cl) content, w/% ≤ | 0.05 |
| As, w/% ≤ | 0.01 |
| pH (10 g/L solution) | 8.9–9.4 |
| Insoluble in water w/% ≤ | 0.02 |
| Fe, wt.% ≤ | 0.003 |
| Heavy metal (expressed as Pb) content, mg/kg ≤ | 0.005 |