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Industrial Chemicals
NO.7783-28-0
Di-Ammonium phosphate, also known as Ammonium hydrogen phosphate Dibasic (NH4)2HPO4, is an inorganic salt. It is a colorless, transparent monoclinic crystal or white powder that is soluble in water but insoluble in alcohol.
Main usage and application
① Fertilizer use:
It is a high-concentration quick-acting fertilizer, with less solid content after dissolution, and is suitable for various crops and soils, especially for crops that like nitrogen and need phosphorus. It is a high-quality basic raw material for preparing ternary compound fertilizer of N, P and K.
② Application of flame retardant: it is used as a fire retardant for wood, paper and fabric, and also as an additive for fire retardant coatings.
③Food industry: used as starter, nutrient, etc.
Specification
Technical parameters
| Items | Unit | Lower Limit | Upper Limit | |
| Appearance | White crystal | |||
| Main content | % | 99.0 | ||
| P2O5 | % | 53 | ||
| Water Insoluble | % | 0.1 | ||
| Moisture | % | 0.15 | ||
| Fluoride | ppm | 10 | ||
| As | ppm | 3 | ||
| Heavy metals as Pb | ppm | 10 | ||
| Pb | ppm | 4 | ||
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