Tetrahydrothiophene 1,1-dioxide

Basic Information

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CAS Number

126-33-0

Molecular Formula

C4H8O2S

Molecular Weight

120.17 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Water Treatment Chemicals Coagulants and Flocculants Inorganic Coagulants

Basic Physical Properties

Melting Point

20-26 °C

Boiling Point

104 °C/0.2 mmHg<br />285 °C

Solubility

>=100g/l soluble

Refractive Index

n20/D 1.484(lit.)<br />n20/D 1.485

Vapor Pressure

0.01 mmHg ( 20 °C)

SMILES

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O=S1(=O)CCCC1

InChI

InChI=1S/C4H8O2S/c5-7(6)3-1-2-4-7/h1-4H2

InChIKey

HXJUTPCZVOIRIF-UHFFFAOYSA-N

LogP

0.19500000000000006

Topological Polar Surface Area

34.14 Å²

Hydrogen Bond Donor/Acceptor

0 / 2

Complexity

128

Safety Information

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GHS Hazard Pictograms

H302

Hazard Statement

H302 Harmful if swallowed
Acute toxicity, oral

Stability

Stable. Combustible. Incompatible with strong oxidizing agents.

Sensitiveness

Hygroscopic

Toxicity

LD50 orally in rats: 1.54 ml/kg (Smyth)

Synonyms & References

English

Tetramethylene sulfone
2,3,4,5-TETRAHYDROTHIOPHENE-1,1-DIOXIDE
SULFOLAN
SULFOLANE
SULFOLANE-W
SULPHOLANE
TETRAHYDROTHIOPHEN-1,1-DIOXIDE
TETRAHYDROTHIOPHENE 1,1-DIOXIDE
TETRAMETHYLENE SULPHONE
1,1-Dioxide tetrahydrothiofuran
1,1-Dioxidetetrahydrothiophene
1,1-Dioxothiolan
5-sulfoisophthalicacid,lithiumsaltsulfolane
Bondelane A
Bondolane A
Cyclic tetramethylene sulfone
Tetrahydrothiophene-1,1-dioxide
UOP Method 660 Standard
Tetramethylene sulfone Sulfolane
Sulfalone
Sulfolone
Supholane
tetrahydrothiophene dioxide
tetrahydro-thiophene-1,1-dioxide
Sulfolane in dimethyl sulfoxide
Sulfolane solution
bondelanea
bondolanea
Sulphoxaline
Dioxothiolan
Thiophan sulfone

MDL Number

MFCD00005484

Customs Code

29349990

FAQ

What is Tetrahydrothiophene 1,1-dioxide (CAS: 126-33-0)?

Tetrahydrothiophene 1,1-dioxide, with the CAS number 126-33-0, is a cyclic sulfur-containing organic compound. Its chemical formula is C4H8OS2. It is a colorless liquid with a sharp, pungent odor and is commonly used as an intermediate in chemical synthesis. The compound exhibits reactivity due to its oxidized thiophene ring and is known for its ability to participate in various chemical reactions, including oxidation and reduction processes.

What are the main uses of Tetrahydrothiophene 1,1-dioxide (CAS: 126-33-0)?

Tetrahydrothiophene 1,1-dioxide (CAS: 126-33-0) is primarily used in the pharmaceutical industry as a precursor for the synthesis of various drugs. It also finds applications in the production of dyes, pesticides, and other specialty chemicals. Additionally, it is used in research for developing new compounds and in industrial processes for chemical transformations. Its unique chemical structure makes it valuable in the creation of sulfur-containing molecules for diverse applications.

Is Tetrahydrothiophene 1,1-dioxide (CAS: 126-33-0) safe?

Tetrahydrothiophene 1,1-dioxide (CAS: 126-33-0) is considered hazardous and should be handled with care. It is toxic if inhaled or ingested and can cause skin and eye irritation. Safety standards require proper ventilation, protective gloves, and eye protection during handling. It is classified as a potential irritant and should be stored and used in accordance with OSHA and EPA guidelines to ensure safety in both industrial and laboratory settings.

How should Tetrahydrothiophene 1,1-dioxide (CAS: 126-33-0) be stored?

Tetrahydrothiophene 1,1-dioxide (CAS: 126-33-0) should be stored in a cool, dry, and well-ventilated area, away from direct sunlight. It is typically kept in sealed, airtight containers to prevent exposure to air and moisture. The storage temperature should be maintained below 25°C, and the compound should be protected from heat and humidity to ensure stability. Always follow safety guidelines for chemical storage to prevent degradation or hazardous reactions.