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Chemical formula: NH4H2PO4
Molecular weight: 115.0
Standard executed: HG/T4133-2010(INDUSTRIAL GRADE)GB25569-2010(FOOD GRADE)
Throughput: 100,000t/a
White granular crystal; relative density at 1.803, melting point at 190℃, easily soluble in water, slightly soluble in alcohol, insoluble in ketone, PH value of 1% solution is 4.5.
As a fire-prevention agent for fabric, timber and paper, as well as a fire-prevention coating, and dry powder for fire extinguisher. For food grade it is mainly used as a fermentation agent, nourishment, and so on. Used as a high effective non-chloride N, P compound fertilizer in agriculture. Its total nourishment (N=P2O5) is at 73%, and may be used as a basic raw material for N, P and K compound fertilizer.
Plastic-woven sack, net weight at 25kg, 50kg or 1,000kg. Store at a ventilated, dry place.
序号 No | 指标名称 Specifications | 工业级 Industrial Grade | 食品级 Food Grade |
1 | 主含量 Main contents %≥ | 99.0 | 99.0 |
2 | 五氧化二磷Phosphorus pentoxide %≥ | 61.0 | 61.0 |
3 | 氮 Nitrogen as N %≥ | 11.9 | 11.9 |
4 | PH值 PH value (1% solution) | 4.2-4.8 | 4.3-5.0 |
5 | 水份 Moisture %≤ | 0.2 | 0.2 |
6 | 重金属(以Pb计) Heavy metal, as Pb %≤ | / | 0.001 |
7 | 砷(以As计)Arsenic, as As %≤ | / | 0.0003 |
8 | 氟化物(以F计 Fluoride as F %≤ | / | 0.001 |
9 | 水不溶物 Water insoluble %≤ | 0.10 | 0.10 |