Descriptions of Ammonium Phosphate Dibasic Powder
Ammonium Phosphate Dibasic Powder is an inorganic compound. It appears as a colourless, transparent monoclinic crystal or as a white powder. Its chemical formula is (NH4)2HPO4 and its molecular weight is 132.06. This material is used in the printing and plate manufacturing industry, in medicine, fire protection and electronic tubes. It is also used as a fertiliser for vegetables, fruit, rice and wheat. In industrial applications it is employed as a feed supplement, fireproofing agent and an extinguishing additive.
Specifications for Ammonium Phosphate Dibasic Powder
Physical and Chemical Information
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Density
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1.620 g/cm³
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Melting Point
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155 °C (decomposition)
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pH Value
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7.5 - 9.0 (132.1 g/l, H₂O, 25 °C)
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Vapour Pressure
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0.076 Pa (20 °C)
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Bulk Density
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800 - 1000 kg/m³
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Solubility
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690 g/l
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Toxicological Information
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LD50 (oral)
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LD50 in rat: 6500 mg/kg
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LD50 (dermal)
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LD50 in rabbit > 7950 mg/kg
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Applications of Ammonium Phosphate Dibasic Powder
- Industrial impregnation of wood and fabrics to enhance durability;
- Used as a leavening agent, dough regulator, yeast nutrient and fermentation aid in the food industry;
- Employed as a concentrated nitrogen and phosphorus mixed fertiliser for vegetables, fruit, rice and wheat;
- Feed additive for ruminants;
- Used as an analytical reagent, buffering agent and water softener;
- Used as a dry powder fire extinguisher and as a fluorescent material for fluorescent lamps;
- Used in the manufacture of printing plates, vacuum tubes, ceramics, enamel and other products, and in the biochemical treatment of waste water.
Safety Information for Ammonium Phosphate Dibasic
Storage Class
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11 Flammable Solids
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WGK
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WGK 1, slightly hazardous to water
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Disposal
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14
Inorganic salts: Container I. Neutral solutions of the salts: Container D. Before filling into Container D, verify the pH using pH universal indicator strips.
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