Sigma-Aldrich 360589-18L-CS Tetrahydrofuran - ≥99.9% (18L)

CAS Number: 109-99-9

Contains 250 ppm BHT as inhibitor

Vapor density: 2.5 (vs air)

Vapor pressure: 114 mmHg (15 °C) - 143 mmHg (20°C)

Assay: ≥99.0%

Form: liquid

Autoignition temp: 610°F

Expl. lim: 1.8-11.8%

Technique(s): HPLC: suitable

Impurities: ≤0.015% peroxide (as H2O2) - ≤0.05% water

Evaporation residue: ≤0.03%

Color: APHA: ≤20

Refractive index: n20/D 1.407 (lit.)

pH: ~7

bp: 65-67°C (lit.)

mp: −108°C (lit.)

Solubility: water: soluble

Density: 0.889 g/mL at 25°C (lit.)

** SEE LINK TO SDS FOR MORE INFORMATION