Tetramethylene sulfone (CAS 126-33-0) — formula C4H8O2S, molecular weight 120.17; category organic chemicals.
| CAS Number | 126-33-0 |
|---|---|
| Molecular Formula | C4H8O2S |
| Molecular Weight | 120.17 |
| Melting Point | 79 °F (USCG, 1999) |
| Boiling Point | 545 °F at 760 mmHg (USCG, 1999) |
| LogP | -0.8 |
| Applications | Uses: 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], Textiles (Printing, Dyeing, or Finishing) [Category: Industry], Selective solvent for liquid-vapor extractions., Solvent for aromatics extraction, for acid gas purification., Extraction of aromatic hydrocarbons from oil refinery streams, polymerization solvent, plasticizer., Fractionation of wood tars, and other fatty acids, component of hydraulic fluid, textile finishing., For more Uses (Complete) data for SULFOLANE (6 total), please visit the HSDB record page., Industry Uses: Other, Solvent, Processing aids, specific to petroleum production, Intermediate, Cleaning agent, Consumer Uses: Solvent, Methods of Manufacturing: Prepared by catalytic hydrogenation of sulfolene oxides: Mahan, Fauske, US 2578565 (1951 to Phillips Petroleum)., ... From butadiene and sulfur dioxide ... Evans, Morris, US 2360859 (1944 to Shell)., Sulfolane ... is made by reacting sulfur dioxide and butadiene to form sulfolene, which is then hydrogenated to give sulfolane, Formulations, Preparations: Commercially available as anhydrous sulfolane and as sulfolane containing 3% wt deionized water, Grade: Technical, Sulfolane-W (97% 1, 1-tetrahydrothiophenedioxide and 3% water), U.S. Production: 2023: 1, 000, 000 - <5, 000 lb, 2022: 10, 000 - <50, 2021: 10, 2020: 10, Thiophene, tetrahydro-, 1, 1-dioxide is listed as a High Production Volume (HPV) chemical (65FR81686). Chemicals listed as HPV were produced in or imported into the U.S. in >1 million pounds in 1990 and, or 1994. The HPV list is based on the 1990 Inventory Update Rule. (IUR) (40 CFR part 710 subpart B, 51FR21438)., (1986) >1 million - 10 million pounds, (1990) >1 million - 10 million pounds, (1994) >1 million - 10 million pounds, For more U.S. Production (Complete) data for SULFOLANE (7 total), U.S. Imports: (1972) NEGLIGIBLE, U.S. Exports: (1972) NEGLIGIBLE, General Manufacturing Information: Petrochemical Manufacturing, All Other Basic Organic Chemical Manufacturing, All other Petroleum and Coal Products Manufacturing, Petroleum Refineries, Adhesive Manufacturing, Computer and Electronic Product Manufacturing, Pharmaceutical and Medicine Manufacturing, All Other Basic Inorganic Chemical Manufacturing, 1-dioxide: ACTIVE |
| Category | Organic Chemicals |
Documented applications: Uses: 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], Textiles (Printing, Dyeing, or Finishing) [Category: Industry], Selective solvent for liquid-vapor extractions., Solvent for aromatics extraction, for acid gas purification., Extraction of aromatic hydrocarbons from oil refinery streams, polymerization solvent, plasticizer., Fractionation of wood tars, and other fatty acids, component of hydraulic fluid, textile finishing., For more Uses (Complete) data for SULFOLANE (6 total), please visit the HSDB record page., Industry Uses: Other, Solvent, Processing aids, specific to petroleum production, Intermediate, Cleaning agent, Consumer Uses: Solvent, Methods of Manufacturing: Prepared by catalytic hydrogenation of sulfolene oxides: Mahan, Fauske, US 2578565 (1951 to Phillips Petroleum)., ... From butadiene and sulfur dioxide ... Evans, Morris, US 2360859 (1944 to Shell)., Sulfolane ... is made by reacting sulfur dioxide and butadiene to form sulfolene, which is then hydrogenated to give sulfolane, Formulations, Preparations: Commercially available as anhydrous sulfolane and as sulfolane containing 3% wt deionized water, Grade: Technical, Sulfolane-W (97% 1, 1-tetrahydrothiophenedioxide and 3% water), U.S. Production: 2023: 1, 000, 000 - <5, 000 lb, 2022: 10, 000 - <50, 2021: 10, 2020: 10, Thiophene, tetrahydro-, 1, 1-dioxide is listed as a High Production Volume (HPV) chemical (65FR81686). Chemicals listed as HPV were produced in or imported into the U.S. in >1 million pounds in 1990 and, or 1994. The HPV list is based on the 1990 Inventory Update Rule. (IUR) (40 CFR part 710 subpart B, 51FR21438)., (1986) >1 million - 10 million pounds, (1990) >1 million - 10 million pounds, (1994) >1 million - 10 million pounds, For more U.S. Production (Complete) data for SULFOLANE (7 total), U.S. Imports: (1972) NEGLIGIBLE, U.S. Exports: (1972) NEGLIGIBLE, General Manufacturing Information: Petrochemical Manufacturing, All Other Basic Organic Chemical Manufacturing, All other Petroleum and Coal Products Manufacturing, Petroleum Refineries, Adhesive Manufacturing, Computer and Electronic Product Manufacturing, Pharmaceutical and Medicine Manufacturing, All Other Basic Inorganic Chemical Manufacturing, 1-dioxide: ACTIVE.
Tetramethylene sulfone is a carbon-based organic compound with CAS registry number 126-33-0 and molecular formula C4H8O2S (molecular weight 120.17), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 126-33-0
Its molecular formula C4H8O2S comprises 4 C, 8 H, 2 O, 1 S atoms.
Also known as: Tetramethylene sulfone · Sulfolane
Category: organic chemicals
The CAS registry number of Tetramethylene sulfone is 126-33-0.
Molecular formula C4H8O2S, molecular weight 120.17.
It is also registered under: Tetramethylene sulfone, Sulfolane.
Recorded applications: Uses: 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], Textiles (Printing, Dyeing, or Finishing) [Category: Industry], Selective solvent for liquid-vapor extractions., Solvent for aromatics extraction, for acid gas purification., Extraction of aromatic hydrocarbons from oil refinery streams, polymerization solvent, plasticizer., Fractionation of wood tars, and other fatty acids, component of hydraulic fluid, textile finishing., For more Uses (Complete) data for SULFOLANE (6 total), please visit the HSDB record page., Industry Uses: Other, Solvent, Processing aids, specific to petroleum production, Intermediate, Cleaning agent, Consumer Uses: Solvent, Methods of Manufacturing: Prepared by catalytic hydrogenation of sulfolene oxides: Mahan, Fauske, US 2578565 (1951 to Phillips Petroleum)., ... From butadiene and sulfur dioxide ... Evans, Morris, US 2360859 (1944 to Shell)., Sulfolane ... is made by reacting sulfur dioxide and butadiene to form sulfolene, which is then hydrogenated to give sulfolane, Formulations, Preparations: Commercially available as anhydrous sulfolane and as sulfolane containing 3% wt deionized water, Grade: Technical, Sulfolane-W (97% 1, 1-tetrahydrothiophenedioxide and 3% water), U.S. Production: 2023: 1, 000, 000 - <5, 000 lb, 2022: 10, 000 - <50, 2021: 10, 2020: 10, Thiophene, tetrahydro-, 1, 1-dioxide is listed as a High Production Volume (HPV) chemical (65FR81686). Chemicals listed as HPV were produced in or imported into the U.S. in >1 million pounds in 1990 and, or 1994. The HPV list is based on the 1990 Inventory Update Rule. (IUR) (40 CFR part 710 subpart B, 51FR21438)., (1986) >1 million - 10 million pounds, (1990) >1 million - 10 million pounds, (1994) >1 million - 10 million pounds, For more U.S. Production (Complete) data for SULFOLANE (7 total), U.S. Imports: (1972) NEGLIGIBLE, U.S. Exports: (1972) NEGLIGIBLE, General Manufacturing Information: Petrochemical Manufacturing, All Other Basic Organic Chemical Manufacturing, All other Petroleum and Coal Products Manufacturing, Petroleum Refineries, Adhesive Manufacturing, Computer and Electronic Product Manufacturing, Pharmaceutical and Medicine Manufacturing, All Other Basic Inorganic Chemical Manufacturing, 1-dioxide: ACTIVE.
Category: Organic Chemicals.
Independent reference data for Tetramethylene sulfone (CAS 126-33-0), compiled from public chemistry databases.
| CAS Registry Number | 126-33-0 |
|---|---|
| PubChem CID | 31347 |
| Molecular formula | C4H8O2S |
| IUPAC name | thiolane 1,1-dioxide |
| UNII (FDA) | Y5L06AH4G5 |
| Molecular Weight | 120.17 |
|---|---|
| XLogP3 | -0.8 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 120.02450067 |
| Monoisotopic Mass | 120.02450067 |
| Topological Polar Surface Area | 42.5 |
| Heavy Atom Count | 7 |
| Boiling Point | 545 °F at 760 mmHg (USCG, 1999) |
|---|---|
| Boiling Point | 285 °C |
| Boiling Point | 285 °C @760 [mm Hg] |
| Melting Point | 79 °F (USCG, 1999) |
| Melting Point | 27.4-27.8 °C |
| Flash Point | 330 °F (USCG, 1999) |
| Flash Point | 177 °C (350 °F) (OPEN CUP) |
| Density | 1.2606 at 30 °C/4 °C |
| Density | 1.261 @25 °C |
| Vapor Pressure | 0.0062 [mmHg] |
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
| 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)
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].
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
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