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Physical and chemical properties and spectra for substances may be found in many, many different sources.
A common property may appear in many sources. An uncommon property may appear in few to none.
Common properties for common substances may likely be found in many sources. Uncommon properties of more obscure substances may require a search of the primary sources. If the property has never been published at all, a thorough search can provide evidence that this is the case.
Selected sources for specific properties and spectra are listed on these webpages. But these lists are NOT comprehensive. Many additional sources for properties exist that are not listed below. And the library might own them.
For an in depth discussion of how to find physical and chemical properties, read Currano & Roth (2014, p. 147-) Chapter 6.
QUESTIONS TO ASK (Currano & Roth, 2014, pp. 150.):
EVALUATE THE DATA (Currano & Roth, 2014, pp. 151.):
Is the value experimental or calculated?
Chemical Information for Chemists by Absorption Coefficient (ε)
Activation Energies (none)
Activity Coefficients (γ) see Extinction Coefficient
Boiling Point see Physical Constants
Bond Dissociation Energy (De)
Bond Lengths/Bond Angles
Conductance, Electrical (σ)
Conductivity, Thermal see Thermal Conductivity
Conversion Factors
Critical Constants
Crystal Structures
Density see Physical Constants
Dielectric Constant (ε)
Dipole Moment
Dissociation Constant
Electrical Conductivity (σ)
Electrode Potentials
Electron Affinity
Enthalpy (H) see Thermodynamic Properties
Enthalpy of Formation see Heat of Formation
Entropy (S) see Thermodynamic Properties
Equilibrium Constant (K)
Extinction Coefficient (ε)
Free Energy (G) see Thermodynamic Properties
Freezing Point see Physical Constants
Fundamental Physical Constants
G-Factors
Gibbs Free Energy (G) see Thermodynamic Properties
Heat Capacity see also Specific Heat
Heat of Combustion
Heat of Dilution
Heat of Dissociation
Heat of Formation
Heat of Fusion
Heat of Ionization
Heat of Mixing
Heat of Polymerization
Heat of Reaction
Heat of Solution
Heat of Sublimation
Heat of Transition
Heat of Vaporization
Henry's Law Constants
Internuclear Distance
Ionization Constant see Equilibrium Constants
Ionization Heat see Heat of Ionization
Ionization Potential
Kinetic Data
Luminescence
Melting Point see Physical Constants
Molar Absorptivity see Extinction Coefficient
Optical Rotation
Partition Coefficients
Physical Constants (Boiling Point, Freezing Point, Melting Point, Density, Refractive Index, Specific Gravity)
Rate Coefficients see Kinetic Data
Rate Constants see Kinetic Data
Refractive Index see Physical Constants
Solubility
Specific Gravity see Physical Constants
Specific Heat see also Heat Capacity
Specific Rotation
Spectra
Stability Constants see also Equilibrium Constants
Surface Tension (γ,σ)
Thermal Conductivity
Thermal Expansion (α)
Thermodynamic Properties (Enthalpy, Entropy, Free Energy, Gibbs Free Energy)
(η) Vapor Pressure
Virial Coefficient
Viscosity
see also Specific Heat
Horvath, A.L. Reference Literature to Properties of Chemical Compounds,
Inorganic Liquids and Gases. Journal of Chemical Documentation, v.10 (1),
1970, p59
Organic solvents : physical properties and methods of purification by Organic solvents : physical properties and methods of purification by 
Lange's Handbook of Chemistry by Organic Solvents: Physical Properties and Methods of Purification by 
Standard Potentials in Aqueous Solution by Organic solvents: physical properties and methods of purification by Organic solvents: physical properties and methods of purification by 
CRC handbook of chemistry and physics by 
Perry's chemical engineers' handbook by Organic solvents: physical properties and methods of purification by CRC handbook of chemistry and physics by Organic solvents: physical properties and methods of purification by CRC handbook of chemistry and physics by Organic solvents: physical properties and methods of purification by CRC handbook of chemistry and physics by 
Handbook of environmental data on organic chemicals by 
Groundwater chemicals desk reference by 
