Properties of borax (B4Na2O7.10H2O)

Identification

• Atoms
  B: 4, H: 20, Na: 2, O: 17
• CAS
  1303-96-4
• Formula
  B4H20Na2O17
• ID
  1303-96-4
• InChI
  B4O7.2Na.10H2O/c5-1-9-3(7)11-4(8)10-2-6;;;;;;;;;;;;/h;;;10*1H2/q-2;2*+1;;;;;;;;;;
• InChI Key
  OJPFLODMGUZMKD-UHFFFAOYSA-N
• IUPAC Name
  disodium;[oxido(oxoboranyloxy)boranyl]oxy-oxoboranyloxyborinate;decahydrate
• Molecular Weight (kg)
  381.372
• Phase
  s
• PubChem ID
  1.1954e+7
• SMILES
  B(=O)OB([O-])OB([O-])OB=O.O.O.O.O.O.O.O.O.O.O.[Na+].[Na+]
• SynonymsView 43 Synonyms

Physical Properties

• Acentric factor
• Critical pressure (bar)
  0
• Critical temperature (°C)
  2756.85
• Critical volume (m³/kmol)
  0
• Dipole moment
• Melting temperature (°C)
  75
• Normal boiling temperature (°C)
  320

State-dependent Properties

• Compressibility factor
  0.00901055
• Density (kg/m³)
  1730
• Dynamic viscosity (cP)
  0
• Enthalpy of vaporization (mass) (kJ)
  0
• Enthalpy of vaporization (molar) (kJ/kmol)
• 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))
  389.923
• Molar volume (m³/kmol)
  0.220447
• Parachor
• Poynting correction factor
• Prandtl number
• Saturation pressure (bar)
  0
• Solubility parameter
• Specific enthalpy (kJ)
  0
• Specific entropy (kJ/kg·K)
  0
• Specific gravity
  1.7317
• Specific heat capacity (kJ/kg·K)
  1.02242
• Surface tension
• 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

Failed Properties:

• API gravityFailed
• Saturation temperature (°C)Failed