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TERATHANE® polyether clycol

Tetrahydrofuran (THF) is an industrial solvent used in the plastics, pharmaceutical, and specialty chemicals industries. INVISTA™ THF is at least 99.95% pure with a small (approximately 0.01%) amount of butylated hydroxytoluene (BHT) added an antioxidant.
Property Typical Value
Specific Gravity @ 20°C 0.90
Boiling Point (°C) 66
Freezing Point (°C) -108.5
Liquid Density @ 20°C (lb/gal) 7.41
Vapor Density (Air = 1) 2.49
Evaporation Rate (n-butyl acetate = 1) 8.0
Viscosity @ 20°C cP (mPa.s) 0.48
Heat of Vaporization @ bp (btu / lb) 195
Specific heat, Liquid @ 20°C (btu/ lb.F) 0.42
Coefficient of Thermal Expansion @ 10 – 20°C 0.00126
Flash Point, TCC (°C) -20
Solubility in water (%) 100
Odor Ethereal
Vapor Pressure @ 20°C (mmHg) 130
Property Units Minimum Maximum
Purity (THF) Wt% 99.95
Color APHA 10
Water ppm 300
Peroxide (calculated THF-hydroperoxide) ppm 10
Stabilizer (BHT)* ppm 75 150
THF Product

Data Sheet

Other

Recovery_of_THF.pdf

Additional information about THF is available on request.