Properties of potassium bromide

Thermophysical properties for potassium bromide (CAS: 7758-02-3). 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

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Identification

  • Atoms
    Br: 1, K: 1
  • CAS
    7758-02-3
  • Formula
    BrK
  • ID
    7758-02-3
  • InChI
    BrH.K/h1H;/q;+1/p-1
  • InChI Key
    IOLCXVTUBQKXJR-UHFFFAOYSA-M
  • IUPAC Name
    potassium;bromide
  • Molecular Weight (kg)
    119.002
  • Phase
    s
  • PubChem ID
    2.5388e+5
  • SMILES
    [K+].[Br-]
  • Synonyms

Physical Properties

  • Acentric factor
    0.596
  • Critical pressure (bar)
    115.52
  • Critical temperature (°C)
    3246.85
  • Critical volume (m³/kmol)
    0.314
  • Dipole moment
    10.6
  • Melting temperature (°C)
    734
  • Normal boiling temperature (°C)
    1435

State-dependent Properties

  • API gravity
    -65.0406
  • Compressibility factor
    0.00177522
  • Density (kg/m³)
    2740.01
  • Dynamic viscosity (cP)
    0
  • Enthalpy of vaporization (mass) (kJ)
    4762.67
  • Enthalpy of vaporization (molar) (kJ/kmol)
    5.6677e+5
  • 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))
    52.3222
  • Molar volume (m³/kmol)
    0.0434314
  • Parachor
    4.5565e-5
  • Poynting correction factor
    1.00229
  • Prandtl number
  • Saturation pressure (bar)
    1.1737e-25
  • Saturation temperature (°C)
    1383.39
  • Solubility parameter
    1.0043e+5
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    2.7427
  • Specific heat capacity (kJ/kg·K)
    0.439674
  • Surface tension
    0.435947
  • Thermal conductivity
  • Thermal diffusivity

Safety Properties

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

Environmental Properties

  • Global warming potential
  • Ozone depletion potential