Sulfolane/Tetramethylene sulfone/Cyclobutyl sulfone/Tetrahydrothiophene-1,1-dioxide

English name：Sulfolane；Tetramethylene sulfone；Cyclobutyl sulfone；Tetrahydrothiophene-1,1-dioxide；Tetrahy- drothiophene-1-dioxide；Thiophen sulfone

Other names: sulfolane; Tetrahydrothiophene sulfone; Tetrahydrothiophene-1,1-dioxide; Thiophene dioxide; Tetrahydrothiophene dioxide; Sulfocene; 1,1-dioxythiophene; Tetramethylene sulfone; Tetramethylsulfone

CAS No.: 126-33-0

C4H8O2S=120.17

Grade: color fixation

Density (20 ℃): 1.261 ～ 1.266g/ml

Refractive index (n30d): 1.4805 ～ 1.4825

Alkalinity (calculated by OH -): 100mmol / g

Loss test: qualified

Physicochemical properties: colorless liquid. At 30 ℃, it is miscible with water, acetone and toluene, and partially miscible with octane, olefin and cycloalkane. The melting point is 27.4 ～ 27.8 ℃. The boiling point is 285 ℃. Flash point (open cup) 176 ℃. The viscosity is 10.34mpa · s. Low toxicity, LD50 (rat, oral) 1540mg / kg

Purpose: biochemical research. The lower hydrocarbon isomers were separated and analyzed by gas chromatography fixed liquid (maximum use temperature 100 ℃, solvent acetone). It is used as a selective solvent for gas-liquid extraction, extracting aromatic hydrocarbons from aliphatic hydrocarbons, and removing acid gases from gas mixtures.

Saving: RT