Sulfolane

Independent reference data for Sulfolane (CAS 126-33-0), compiled from public chemistry databases.

Registry identifiers across databases

Computed descriptors

Physicochemical values on record

Documented uses on record

Used as a solvent (aromatics extraction and polymerization), plasticizer, curing agent (epoxy resins) and therapeutic (antibacterial, convulsant, and radiation-protective agent); Also used for acid gas purification, fractionation (wood tars, tall oil, and other fatty acids), and textile finishing; [HSDB] Used in electronic applications, pharmaceutical manufacturing (solvent), jet printing inks (solvent), and medicines (believed to exist only in patent literature); [SIDS UNEP]Semiconductor Manufacturing [Category: Industry]

Synonyms and trade names

SULFOLANE; 126-33-0; Tetrahydrothiophene 1,1-dioxide; Tetramethylene sulfone; Sulfolan; 1,1-Dioxothiolan; Sulpholane; Thiophene, tetrahydro-, 1,1-dioxide; thiolane 1,1-dioxide; Sulfalone; Sulphoxaline; Dioxothiolan; Thiophan sulfone; Bondelane A; Bondolane A; Thiophane dioxide

GHS hazard classification

Reported hazard statements	H302, H360 (22.7%), H320, H361

H302: Harmful if swallowed [Warning Acute toxicity, oral]

P264, P270, P301+P317, P330, and P501 (click each P-code to see the statement)

What the public record says

Tetramethylene sulfone · CAS 126-33-0 · C4H8O2S. UNII Y5L06AH4G5. Boiling Point: 545 °F at 760 mmHg (USCG, 1999); Boiling Point: 285 °C; Boiling Point: 285 °C @760 [mm Hg].

Physical description and handling notes

Source: PubChem / Wikidata; the batch COA governs where values differ.