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Sulfolane CAS 126-33-0

Tetramethylene sulfone; Tetrahydrothiophene 1,1-dioxide CAS 126-33-0

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Sulfolane Usage And Synthesis
Chemical Properties    colourless crystals
Chemical Properties    Sulfolane is a colorless oily liquid
Uses    Selective solvent for liquid-vapor extractions.
Sulfolane Usage And Synthesis
Chemical Properties    colourless crystals
Chemical Properties    Sulfolane is a colorless oily liquid
Uses    Selective solvent for liquid-vapor extractions.
Raw materials    Sulfur dioxide-->Hydroquinone-->1,3-BUTADIENE-->3-SULFOLENE
 Sulfolane (also tetramethylene sulfone, systematic name: 2,3,4,5-tetrahydrothiophene-1,1-dioxide) is an organosulfur compound, formally a cyclic sulfone, with the formula (CH2)4SO2. It is a colorless liquid commonly used in the chemical industry as a solvent for extractive distillation and chemical reactions. Sulfolane was originally developed by the Shell Oil Company in the 1960s as a solvent to purify butadiene. Sulfolane is a polar aprotic solvent, and it is readily soluble in water.
Appearance & Physical State     Clear colourless liquid
Density     1.261
Boiling Point     285ºC
Melting Point     27.4-27.8ºC
Freezing Point     26℃
Flash Point     165ºC
Refractive Index     1.482-1.485
Water Solubility     soluble
Stability     Stable. Combustible. Incompatible with strong oxidizing agents.
Storage Condition     Store in a cool, dry place. Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Vapor Density     4.2 (vs air)
Vapor Pressure     0.01 mm Hg ( 20 °C)
Safety Info
RTECS     XN0700000
Safety Statements     S25
HS Code     29349990
Sulfolane Chemical Properties
Melting point     27.4 °C
Boiling point     285 °C
density     1.261 g/mL at 25 °C(lit.)
vapor density     4.2 (vs air)
vapor pressure     0.01 mm Hg ( 20 °C)
refractive index     n20/D 1.484(lit.)
Product Name:    Sulfolane
Synonyms:    thiophanedioxide;Thiophanesulfone;thiophansulfone;Thiophene, 1,1-dioxide-tetrahydro-;thiophene,tetrahydro-,1,1-dioxide;TETRAHYDROTHIOPHENE 1,1-DIOXIDE;TETRAHYDROTHIOPHEN-1,1-DIOXIDE;TETRAMETHYLENE SULFONE
CAS:    126-33-0
MF:    C4H8O2S
MW:    120.17
EINECS:    204-783-1
Product Categories:    -;Organics;Syntheses Material Intermediates
bondelanea; Tetramethylene sulfone; Sulfolone; 2,3,4,5-tetrahydrothiophene-1,1-dioxide; Supholane;
Sulfolane; 2,3,4,5-Tetrahydrothiophene-1,1-dioxide; Thioxyclopentane-1,1-dioxide; (Cyclo) Tetramethylene Sulfone; Tetrahydrothiophene S,S-dioxide; Tetramethylene sulphone; Sulpholane; tetrahydrothiophene 1,1-dioxide; Sulfolane Anhydrous