Ads by Google
Ammonium dihydrogen phosphate (MAP)
Synonym: Diammonium hydrogen phosphate; Mono-Ammonium PhosphateChemical formula: NH4H2PO4Molecular weight: 115.02Standard executed: Q/7089476401-1998Properties: White crystals, relative density is 1.803, melting point is 190°C, easy to dissolve in water and less to dissolve in alcohol, PH value of 1%water solution is 4.5.Applications: Mainly used for the fireproofing agent of wood, paper and textile, and also for additive of fireproofing dopes, powder fireproofing agent ,leaven and nutrient in food industry, and high-efficiency compound fertilizer.Package and storage: Plastic-woven sack with polythene inner bag, net weight per bag is 25kg,50kg and 100kg. keep in dry and windy conditions.Technical Specifications:
| No. | standard name | industrial grade | food grade |
| 1 | Main content(as NH4H2PO4)%≥ | 99.0 | 99.0 |
| 2 | Phosphorus pent-oxide(as P2O5)%≥ | 61.0 | 61.0 |
| 3 | Nitrogen(as N)%≥ | 11.8 | 11.8 |
| 4 | PH value | 4.4-4.8 | 4.4-4.8 |
| 5 | Moisture%≤ | 0.2 | 0.2 |
| 6 | Heavy metal(as Pb)%≤ | 0.001 | |
| 7 | Arsenic(As)%≤ | 0.0003 | |
| 8 | Fluoride(as F)%≤ | 0.005 | |
| 9 | Water insoluble %≤ | 0.10 | 0.10 |
Monoammonium Phosphate,MAP,