Sulfolane 5600 yuan CA S Login No. 126-33-0 Tietong Jinzhou Petrochemical
Chemical formula C4H8O2S molecular weight 120.17 EINECS login No. 1 204-783-1 melting point 27.4-27.8 boiling point 285 density 1.261g/cm3 appearance colorless clear liquid flash point 166 250kg/barrel 99.7%
CAS registration number 126-33-0
Physical and chemical properties of sulfolane
Appearance property: colorless liquid.
Solubility: miscible with water.
Melting point: 27.4 ° C
Boiling point: 285 ° C Density: 1.261g/mLat25 ° C (lit.)
Vapor density: 4.2 (vsair)
Vapor pressure: 0.01mmHg (20 ° C)
Refractive index: n20/D1.484 (lit.)
Flash point: 330 ° F
Water solubility: solid
Freezing point: 26 ℃
Merck:14,8955
Test method: GC
BRN:107765
Application of sulfolane
Application 1: It is used for natural gas purification and desulfurization, aromatics extraction of reformate oil, and removal of carbon dioxide, hydrogen sulfide, organic sulfur and other impurities in hydrogen.
Use 2: It is used as gas chromatography stationary liquid and analytical reagent, and also for organic synthesis.
Use 3: polar solvent with strong solubility and good selectivity. Most organic compounds and polymers can be soluble in or miscible with sulfolane. It is mainly used as extractant for aromatics extraction, polymer spinning or casting solvent, purification of natural gas, synthesis gas, refinery gas, purification and desulfurization of synthesis gas, and as solvent for rubber and plastics. In addition, it can also be used in textile printing and dyeing industry as printing and dyeing auxiliary Can make the color bright and bright.
Preparation method of sulfolane
Method: Using butadiene and sulfur dioxide as raw materials benzene In the presence of diphenol solvent, it is heated (100-110 ℃) in a pressure resistant reactor to synthesize a cyclobutene sulfone solution. After fractionation, the refined cyclobutene sulfone is hydrogenated into sulfolane in the presence of nickel containing catalyst, and then the product is obtained after gas-liquid separation and fractionation. Raw material consumption quota: butadiene (>99%) 654kg/t, sulfur dioxide (>97%) 909kg/t, aluminum nickel catalyst (Ni45-50%) 71kg/t, liquid * * * 110kg/t
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