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CAS NO.10031-30-8
100%(10-1000)Kilogram
Physicochemical properties of superphosphate
Density 2.220^1^6
Boiling point 203°C
Molecular formula CaH6O9P2
Molecular weight 252.06800
Flash point 203°C
Accurate quality 251.91100
PSA 190.03000
Appearance: white crystalline powder
Vapor pressure 1.41mmHg at 25°C
Storage conditions
It should be stored in a cool, dark and dry warehouse.
Stability
Slightly hygroscopic, soluble in hydrochloric acid and nitric acid, slightly soluble in cold water, almost insoluble in ethanol. At 30°C, 18 g of calcium dihydrogen phosphate can be dissolved in 100 ml of water. The aqueous solution is acidic, and the heated aqueous solution is hydrolyzed into calcium hydrogen orthophosphate. It loses crystal water at 109°C and decomposes into calcium metaphosphate at 203°C.
Molecular Structure
1. Molar refractive index: not available
2. Molar volume (cm3/mol): no available
3. Isotonic volume (90.2K): no available
4. Surface tension (dyne/cm): no available
5. Dielectric constant: no available
6. Polarizability (10-24cm3): no available
7. Monoisotopic mass: 251.911295 Da
8. Nominal quality: 252 Da
9. Average quality: 252.0678 Da