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Molecule
Diammonium Phosphate
CAS: 7783-28-0 · H9N2O4P
2D Structure
3D Structure
Loading 3D structure...
Basic Information
- CAS Registry Number
- 7783-28-0
- Molecular Formula
- H9N2O4P
- Molecular Mass
- 132.06 g/mol
Identifiers
CAS Registry Number
7783-28-0
SMILES
N.N.O=P(O)(O)O
InChI Key
MNNHAPBLZZVQHP-UHFFFAOYSA-N
InChI
InChI=1S/2H3N.H3O4P/c;;1-5(2,3)4/h2*1H3;(H3,1,2,3,4)
Names and Synonyms
- Diammonium Phosphate Common Name
- Phosphoric acid, ammonium salt (1:2) Synonym
- Phosphoric acid, diammonium salt Synonym
- Ammonium phosphate dibasic Synonym
- Diammonium hydrogen phosphate Synonym
- Diammonium phosphate Synonym
- Secondary ammonium phosphate Synonym
- Dibasic ammonium phosphate Synonym
- Ammonium monohydrogen orthophosphate Synonym
- Diammonium monohydrogen phosphate Synonym
- Ammonium hydrogen phosphate Synonym
- Diammonium orthophosphate Synonym
- Diammonium acid phosphate Synonym
- Ammonium dibasic phosphate Synonym
- Diammonium hydrogen orthophosphate Synonym
- Ammonium hydrogen phosphate ((NH4)2HPO4) Synonym
- Pelor Synonym
- Phos-Chek 202A Synonym
- Hydrogen diammonium phosphate Synonym
- Coaltrol LPA 445 Synonym
- Akoustan A Synonym
- K 2 (phosphate) Synonym
- K 2 Synonym
- Ammonium orthophosphate dibasic Synonym
- Diammonium hydrogen phosphate ((NH4)HPO4) Synonym
- Ammonium monohydrogen phosphate Synonym
- Ammonium phosphate ((NH4)2(HPO4)) Synonym
- Spartan AR 295 Synonym
- DAP Synonym
- Pyrozyl WAR Synonym
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 132.06 g/mol | CAS Common Chemistry |
| 132.05599999999998 g/mol | RDKit | |
| 132.056 g/mol | RDKit | |
| Density | 1.62 g/cm³ | CAS Common Chemistry |
| 1.619 g/cm3 | CAS Common Chemistry | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Diammonium_phosphate | CAS Common Chemistry |
| Canonical SMILES | O=P(O)(O)O.N | CAS Common Chemistry |
| InChI | InChI=1S/2H3N.H3O4P/c;;1-5(2,3)4/h2*1H3;(H3,1,2,3,4) | CAS Common Chemistry |
| InChI Key | InChIKey=MNNHAPBLZZVQHP-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | 155 °C (decomp) | CAS Common Chemistry |
| Name | Diammonium hydrogen phosphate | CAS Common Chemistry |
| Diammonium phosphate | CAS Common Chemistry | |
| Heavy Atom Count | 7 | RDKit |
| Hydrogen Bond Acceptors | 3 | RDKit |
| Hydrogen Bond Donors | 5 | RDKit |
| Rotatable Bonds | 0 | RDKit |
| Aromatic Ring Count | 0 | RDKit |
| Topological Polar Surface Area | 147.76 Ų | RDKit |
| LogP | -0.6046 | RDKit |
| Molar Refractivity | 24.307100000000005 cm³/mol | RDKit |
| Ring Count | 0 | RDKit |
| Formal Charge | 0 | RDKit |
| Fraction Csp3 | 0.0 | RDKit |
| Exact Mass | 132.02999339800002 g/mol | RDKit |
Spectral Data
NMR, IR, and Mass spectral data
Predicting NMR spectra...
10 ppm
9
8
7
6
5
4
3
2
1
0 ppm
| Shift (ppm) | Multiplicity | Integration | Assignment |
|---|
200 ppm
180
160
140
120
100
80
60
40
20
0 ppm
| Shift (ppm) | DEPT | Assignment |
|---|
Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.
External Resources
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MW = 132.06 g/mol; density = 1.620 g/mL. Edit any field — others recompute live.
