diammonium phosphate

• ChemBase ID: 126944
• Molecular Formular: H8N2O4P-
• Molecular Mass: 131.048281
• Monoisotopic Mass: 131.02216838
• SMILES: [NH4+].[NH4+].[O-]P(=O)([O-])[O-]
• Canonical SMILES: [O-]P(=O)([O-])[O-].[NH4+].[NH4+]
• InChI: InChI=1S/2H3N.H3O4P/c;;1-5(2,3)4/h2*1H3;(H3,1,2,3,4)/p-1
• InChIKey: MNNHAPBLZZVQHP-UHFFFAOYSA-M

NAMES AND DATABASE IDS

Names

• IUPAC name: diammonium phosphate
• IUPAC Traditional name: diammonium phosphate
• Synonyms: ammonium monohydrogen phosphate; ammonium phosphate dibasic; Diammonium phosphate

Database IDs

• CAS Number: 7783-28-0
• PubChem SID: 162221270
• PubChem CID: 23216297; 24540
• Chemspider ID: 22946
• Unique Ingredient Identifier: 10LGE70FSU
• Wikipedia Title: Diammonium_phosphate

CALCULATED PROPERTIES

• Acid pKa: 1.7961261
• H Acceptors: 4
• H Donor: 0
• LogD (pH = 5.5): -3.3916447
• LogD (pH = 7.4): -3.9718332
• Log P: -1.0201038
• Molar Refractivity: 11.2868 cm^3
• Polarizability: 5.564544 Å^3
• Polar Surface Area: 86.25 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Solubility: 57.5 g/100 mL (10 °C) ; 106.7 g/100 mL (100 °C) in water; insoluble in alcohol, acetone and liquid ammonia
• Apperance: white powder
• Melting Point: 155 °C decomp.
• Flash Point: Non-flammable
• Density: 1.619 g/cm^3
• Refractive Index: 1.52
• Std enthalpy of formation: -1566.91 kJ/mol

Safety Information

• EU Index: Not listed
• NFPA704:
  

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