Sodium hydrogen phosphate, ammonium
- CAS number
- 51750-73-3
- Molecular weight
- Molecular formula / chemical symbol
- NaNH4HPO44H2O
Description
Colorless monoclinic crystals or granules. Odorless. Weathering and partial loss of ammonia in the air. The prolonged heating Plaza to water and ammonia and sodium metaphosphate (NaPO3). Soluble in cold water, boiling water, almost insoluble in ethanol. 5% aqueous solution of pH 7.8 to 8.2. The relative density of 1.544. Melting point of about 80 ° C (acute heat).
Keywords: Phosphate
USES
Determination of magnesium and zinc. The blowpipe Analysis (phosphonium salt ball test). Uranium solution calibration. Preparing a stock solution of ammonium phosphate and ammonium molybdate. This product should be sealed in a cool dry place.