Tetrahydrothiophene /1,1-dioxide/Tetramethylene sulfone/Sulfolane 126-33-0 Specifications Outside view colorless to light yellow transparent liquid ice point :27.6 30 ℃) density (kg/m after 1260-1270 Flash point method (closed) 170 ℃ The boiling point of 285 ℃ Dipole (benzene) 4.69 Dielectric constant (30 ℃) 44 Distillation test 5% distillate temperature (℃) 282 or higher 95% distillate temperature (℃) 288 or less
Amount of sulfur containing (no water) 26.0 27.0 wt %
Water acuities were 3.0 Wt % Grey acuities were 0.1 Wt % Thermal stability mgSO2 / Kg 20 or less 2 - cyclobutene sulfone content is 0.2 wt % or less Isopropyl ether sulfolane acuities were 0.2 wt %
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