Physical and chemical properties of CAS 616-45-5 2-pyrrolidone
Colorless crystal, melting point 24.6 ℃, boiling point 245 ℃, density 1.116 (25 / 4 ℃), refractive index 1.4870. Viscosity 13.3. Saturated vapor pressure 1.33 kPa / 122 ℃. Flash point 129 ℃. Ignition temperature 145 ℃. Combustion heat 2286.5 kJ / mol. Soluble in most organic solvents such as water, alcohol, ether, chloroform, benzene, ethyl acetate and carbon disulfide, but insoluble in petroleum ether.
Structural type:
[relative molecular weight or atomic weight] 85.11
[density] 1.120
[melting point (℃)] 24.6
[boiling point (℃)] 245
[flash point (℃)] 129.4
[viscosity MPa · s (20 ℃)] 13.3 (25 ℃)
[refractive index] 1.4806
[character] colorless crystal.
[dissolution] easily soluble in water, ethanol and ether.
Use of CAS 616-45-5 2-pyrrolidone
Organic synthesis intermediates are mainly used as solvents for the synthesis of resins, pesticides, polyols, inks and iodine. They are also raw materials for the production of polyvinylpyrrolidone, nylon-4 and Naofukang.
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