Properties of tetrasodium pyrophosphate

Identification

• Atoms
  Na: 4, O: 7, P: 2
• CAS
  7722-88-5
• Formula
  Na4O7P2
• ID
  7722-88-5
• InChI
  4Na.H4O7P2/c;;;;1-8(2,3)7-9(4,5)6/h;;;;(H2,1,2,3)(H2,4,5,6)/q4*+1;/p-4
• InChI Key
  FQENQNTWSFEDLI-UHFFFAOYSA-J
• IUPAC Name
  tetrasodium;phosphonato phosphate
• Molecular Weight (kg)
  265.902
• Phase
  s
• PubChem ID
  2.4403e+4
• SMILES
  O=P([O-])([O-])OP(=O)([O-])[O-].[Na+].[Na+].[Na+].[Na+]
• SynonymsView 90 Synonyms

Physical Properties

• Acentric factor
• Critical pressure (bar)
  0
• Critical temperature (°C)
  -273.15
• Critical volume (m³/kmol)
  0
• Dipole moment
• Melting temperature (°C)
  988
• Normal boiling temperature (°C)
  -273.15

State-dependent Properties

• Compressibility factor
  0.00429585
• Density (kg/m³)
  2530
• 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))
  253.969
• Molar volume (m³/kmol)
  0.1051
• Parachor
• Poynting correction factor
• Prandtl number
• Saturation pressure (bar)
  0
• Solubility parameter
• Specific enthalpy (kJ)
  0
• Specific entropy (kJ/kg·K)
  0
• Specific gravity
  2.53249
• Specific heat capacity (kJ/kg·K)
  0.95512
• 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