Description
Ammonium dihydrogen phosphate Chemical Properties
| Melting point | 190 °C (dec.) (lit.) |
| Boiling point | 87.4 °C |
| density | 1.02 g/mL at 20 °C |
| vapor pressure | 0.066 hPa (125 °C) |
| RTECS | TC6587000 |
| storage temp. | Inert atmosphere,Room Temperature |
| solubility | H2O: 0.1 M at 20 °C, clear, colorless |
| form | Solid |
| Specific Gravity | 1.803 |
| color | White or colorless |
| PH Range | 3.8 – 4.4 |
| PH | 3.8-4.4 (25℃, 50mg/mL in H2O) |
| Odor | brilliant wh. cryst. or powd., odorless |
| Water Solubility | 368 g/L (20 ºC) |
| λmax | λ: 260 nm Amax: ≤0.059 λ: 280 nm Amax: ≤0.050 |
| Merck | 14,543 |
| InChIKey | LFVGISIMTYGQHF-UHFFFAOYSA-N |
| LogP | -2.148 (est) |
| CAS DataBase Reference | 7722-76-1(CAS DataBase Reference) |
| EPA Substance Registry System | Monoammonium phosphate (7722-76-1) |
Safety Information
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 24/25-36-26 |
| RIDADR | UN3264 |
| WGK Germany | 1 |
| TSCA | Yes |
| HazardClass | 8 |
| PackingGroup | III |
| HS Code | 31054000 |
| Hazardous Substances Data | 7722-76-1(Hazardous Substances Data) |
| Toxicity | LD50 orally in Rabbit: 5750 mg/kg LD50 dermal Rabbit > 7940 mg/kg |
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