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 Tetrahydrofuran Physical Properties
Tetrahydrofuran
 
Sigma-Aldrich Tetrahydrofuran
Synonym THF Beilstein Registry 102391
Molecular Formula C4H8O EG/EC Number 2037268
Molecular Weight 72.11 MDL Number MFCD00005356
CAS Number 109-99-9 Vapor Pressure 143 mm Hg (20°C)
Density 0. 889 g/mL at 25ēC Dielectric Constant 7.52 at 22ēC
Boiling Point 65-67ēC Dipole Moment 1.750
Melting Point -108ēC UV cutoff 220 nm
Flash Point -17.2ēC Refractive Index 1.407 at 20ēC
Viscosity 0.456 at 25ēC Vapor Density 2.5 (vs. air)
RIDADR UN 2056 3/PG 2 Risk Statements 11-19-36/37
Hazard Codes F,Xi Safety Statements 16-29-33
  

Tetrahydrofuran Specification Comparison Table

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