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speacer Home > Product Index > Monomers and Basic Chemicals > Monomers 1/2 > Acetonitrile > Basic Physical Properties


Basic Physical Properties

Molecular weight

41.1

CAS No.

75-05-8
Boiling point81.6 °C (760 mmHg)
Melting point-43.8°C
Specific gravity 0.7822  
Refractive index1.34411  
Dieiectric constant37.5 (20°C)
Dipole moment3.44 D
Viscosity0.375 cP
Surface tension19.10 dyn
Heat of vaporization7.94 cal/mol (25°C)
Heat of fusion1.952 cal/mol
Heat of formation12.3 cal/mol (25°C)
Heat of combustion-302.4 cal/mol (25°C)
Specific heat12.48 cal/deg•mol
Vapor pressure88.8 mmHg (25°C)
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