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Product Description
Ammonium Phosphate Dibasic CAS#7783 - 28 - 0
Ammonium phosphates include mono- and diammonium orthophosphates and ammonium polyphosphates. As discussed below, these are made directly by reaction anhydrous ammonia with orthophosphoric acid or superphosphoric acid. Both are dry crystalline materials with good handling properties.

Product Name: | Ammonium phosphate dibasic |
Synonyms: | SEC-AMMONIUM HYDROGEN PHOSPHATE;SEC AMMONIUM PHOSPHATE;PHOSPHORUS ICP STANDARD;phos-chek202;phos-chek259;phosphatedibasiqued’ammonium;Phosphoricacid,diammoniumsalt;secondaryammoniumphosphate |
CAS: | 7783-28-0 |
MF: | H9N2O4P |
MW: | 132.06 |
EINECS: | 231-987-8 |
Product Categories: | fertilizer;Ammonium Salts;Materials Science;Metal and Ceramic Science;Salts;Inorganics;Industrial/Fine Chemicals;Water Ttreatment Chemicals;metal phosphate compound;Application CRMs;ICP CRMsSpectroscopy;ICP-OES/-MS;ICPSpectroscopy;Matrix Selection;NitrateAlphabetic;P;PER - POLA;Spectroscopy;Food Additives |
Mol File: | 7783-28-0.mol |
Ammonium phosphate dibasic Chemical Properties |
Melting point | 155 °C (dec.)(lit.) |
density | 1.203 g/mL at 25 °C |
bulk density | 800-1000kg/m3 |
vapor pressure | 0.076Pa at 20℃ |
RTECS | TB9385000 |
storage temp. | -20°C |
solubility | H2O: 1 M at 20 °C, clear, colorless |
form | Powder |
color | White |
Specific Gravity | 1.619 |
PH | 7.6-8.2 (100g/l, H2O, 20℃) |
Odor | wh. cryst. or powd., odorless, cooling salty taste |
Water Solubility | 58 g/ 100mL (10 ºC) |
λmax | λ: 260 nm Amax: 0.065λ: 280 nm Amax: 0.065 |
Merck | 14,542 |
Stability: | Stable. Incompatible with strong acids, strong bases, strong oxidizing agents. |
InChIKey | MNNHAPBLZZVQHP-UHFFFAOYSA-N |
LogP | -2.148 (est) |
CAS DataBase Reference | 7783-28-0(CAS DataBase Reference) |
EPA Substance Registry System | Diammonium phosphate (7783-28-0) |
Product Usage
Fireproofing textiles, paper, wood, and vegetable fibers; impregnating lamp wicks; preventing afterglow in matches; flux for soldering tin, copper, brass, and zinc; purifying sugar; in yeast cultures; in dentifrices; in corrosion inhibitors; in fertilizers.It is commonly used in fertilizer as plant food as well as a yeast nutrient. Ammonium phosphate dibasic has been used to prepare multi-shell nanoparticles to increase transfection efficiency.
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