Model: | MOS7722-76-1 |
Brand Name: | MOSINTER |
CAS No.: | 7722-76-1 |
Molecular formula: | H6NO4P |
Molecular weight: | 115.03 |
Melting point: | 190 °C (dec.)(lit.) |
Density: | 1.02 g/mL at 20 °C |
Storage condition: | 2-8°C |
Solubility: | H2O: 0.1 M at 20 °C, clear, colorless |
Soluble: | 368 g/L (20 ºC) |
Monoammonium Phosphate (CAS: 7722-76-1)
Item | Index |
Appearance | White crystals |
Main content
(as NH4H2PO4) %≥ |
99.0 |
Phosphorus pent-oxide
(as P2O5) %≥ |
61.0 |
Nitrogen(as N) %≥ | 11.8 |
PH value | 4.4-4.8 |
Moisture %≤ | 0.2 |
Water insoluble %≤ | 0.10 |
Ammonium dihydrogen phosphate (ADP), or monoammonium phosphate, NH4H2PO4, is formed
when a solution ofphosphoric acid is added to ammonia until the solution is distinctly acidic. It crystallizes
in tetragonal prisms. Monoammonium phosphate is often used in the blending of dry agricultural fertilizers.
It supplies soil with the elementsnitrogen and phosphorus in a form usable by plants. The compound is also a
component of the ABC powder in some dry chemical fire extinguishers. This substance is also supplied in an
emerald green, amethyst, or aquamarine crystal growing box kit for children.
Solid monoammonium phosphate show a dissociation pressure of ammonia of 0.05 mm Hg at 125 °C based on
the decomposition reaction as follows:
NH4H2PO4(s) NH3(g) + H3PO4(l)
ADP is a widely used crystal in the field of optics due to its birefringence properties. As a result of its tetragonal
crystal structure, this material has negative uniaxial optical symmetry with typical refractive indices no =1.522 and
ne= 1.478 at optical wavelengths.
ADP crystals are piezoelectric, a property required in some active sonar transducers (the alternative being transducers
that use magnetostriction). In the 1950s ADP crystals largely replaced the Quartz and Rochelle Salt crystals in transducers
because they are easier to work than Quartz and, unlike Rochelle Salt, are not deliquescent.
You must be logged in to post a review.
Reviews
There are no reviews yet.