Properties of ammonium nitrate

Thermophysical properties for ammonium nitrate (CAS: 6484-52-2). Use the selector below to view properties in different unit systems.

Calculation Conditions

The following state-dependent properties were calculated at these standard conditions.

Temperature

25 °C

Pressure

1.01325 bar

Need properties at a different state? Use our interactive calculator.

Open Calculator

Identification

  • Atoms
    H: 4, N: 2, O: 3
  • CAS
    6484-52-2
  • Formula
    H4N2O3
  • ID
    6484-52-2
  • InChI
    NO3.H3N/c2-1(3)4;/h;1H3/q-1;/p+1
  • InChI Key
    DVARTQFDIMZBAA-UHFFFAOYSA-O
  • IUPAC Name
    azanium;nitrate
  • Molecular Weight (kg)
    80.0434
  • Phase
    s
  • PubChem ID
    2.2985e+4
  • SMILES
    [NH4+].[N+](=O)([O-])[O-]
  • Synonyms

Physical Properties

  • Acentric factor
    0.879631
  • Critical pressure (bar)
    97.506
  • Critical temperature (°C)
    464.792
  • Critical volume (m³/kmol)
    0.226899
  • Dipole moment
  • Melting temperature (°C)
    169.7
  • Normal boiling temperature (°C)
    235

State-dependent Properties

  • API gravity
    -7.43175
  • Compressibility factor
    0.00190214
  • Density (kg/m³)
    1720.01
  • Dynamic viscosity (cP)
    0
  • Enthalpy of vaporization (mass) (kJ)
    1163.31
  • Enthalpy of vaporization (molar) (kJ/kmol)
    9.3115e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
  • Kinematic viscosity
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    133.051
  • Molar volume (m³/kmol)
    0.0465366
  • Parachor
    3.7766e-5
  • Poynting correction factor
    1.00289
  • Prandtl number
  • Saturation pressure (bar)
    1.2193e-6
  • Saturation temperature (°C)
    235.658
  • Solubility parameter
    3.5840e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    1.7217
  • Specific heat capacity (kJ/kg·K)
    1.66224
  • Surface tension
    0.0811208
  • Thermal conductivity
  • Thermal diffusivity

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    -273.15
  • Lower flammability limit
    0.18283
  • Upper flammability limit
    0.22226

Environmental Properties

  • Global warming potential
  • Ozone depletion potential