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Sulfolane

CAS 126-33-0C4H8O2SMW 120.17

Sulfolane (CAS No. 126-33-0) is supplied by Jinan Shenghe Chemical Co., Ltd. with a typical purity of 按批次COA提供(不公开发布). Main applications include Organic Chemicals. Bulk quantities are available with COA; purity and packaging are subject to batch COA and order confirmation.

Specifications

CAS Number126-33-0
Molecular FormulaC4H8O2S
Molecular Weight120.17
Melting Point79 °F (USCG, 1999)
Boiling Point545 °F at 760 mmHg (USCG, 1999)
LogP-0.8
Purity按批次COA提供(不公开发布)
Packaging按订单/批次确认(不公开发布)
ApplicationsOrganic Chemicals
CategoryOrganic Chemicals

Where it is used

Organic Chemicals

Packaging & Supply

Packaging按订单/批次确认(不公开发布)
Purity按批次COA提供(不公开发布)
StorageSealed, cool and dry place
Lead TimeIn stock / per order

Documents & Support

COA provided with every batch; MSDS and technical documents available on request. Email us with product name and CAS number for a quote within one business day.

Frequently Asked Questions

What is the CAS number of Sulfolane?

The CAS number of Sulfolane is 126-33-0.

What purity and packaging are available?

Typical purity is 按批次COA提供(不公开发布), supplied in 按订单/批次确认(不公开发布), with COA provided.

What are the applications of Sulfolane?

Main applications include Organic Chemicals.

How do I buy Sulfolane or get a quote?

Email info@591daili.com or reach us on WhatsApp with the product name, CAS number and required quantity; quotes within one business day. Supplier: Jinan Shenghe Chemical Co., Ltd..

PubChem Public Data

Description

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].

Identification

CAS Registry Number126-33-0
PubChem CID31347
Molecular formulaC4H8O2S
IUPAC namethiolane 1,1-dioxide
UNII (FDA)Y5L06AH4G5

Computed Descriptors

Molecular Weight120.17
XLogP3-0.8
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count2
Rotatable Bond Count0
Exact Mass120.02450067
Monoisotopic Mass120.02450067
Topological Polar Surface Area42.5
Heavy Atom Count7
Formal Charge0

Physical & Chemical Properties

Boiling Point545 °F at 760 mmHg (USCG, 1999)
Boiling Point285 °C
Boiling Point285 °C @760 [mm Hg]
Melting Point79 °F (USCG, 1999)
Melting Point27.4-27.8 °C
Flash Point330 °F (USCG, 1999)
Flash Point177 °C (350 °F) (OPEN CUP)
Density1.2606 at 30 °C/4 °C
Density1.261 @25 °C
Vapor Pressure0.0062 [mmHg]

Physical description & handling notes

  • Sulfolane is a colorless oily liquid with a weak oily odor. Solidifies (freezing point is 79 °F) and sinks on first contact with water, then mixes with water. (USCG, 1999)
  • Liquid; Other Solid
  • Liquid; mp = 27.4-27.8 deg C; [Merck Index] White solid; [HSDB] Colorless liquid; mp = 26 deg C; [CAMEO] Colorless solid; mp = 27 deg C; [SIDS UNEP] Colorless crystalline solid; mp = 25-28 deg C; [Alfa Aesar MSDS]
  • White or creamy white, crystalline powder
  • Odorless
  • Slightly bitter taste

GHS Hazard Classification

Reported hazard statementsH302, 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)

Documented 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.

Synonyms

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

Frequently Asked Questions

What are the CAS number and molecular formula of Tetramethylene sulfone?

CAS 126-33-0; molecular formula C4H8O2S; molecular weight — g/mol.

What other names is Tetramethylene sulfone known by?

SULFOLANE, 126-33-0, Tetrahydrothiophene 1,1-dioxide, Tetramethylene sulfone, Sulfolan, 1,1-Dioxothiolan.

Is Tetramethylene sulfone classified as hazardous?

Hazard statements reported: H302, H360, H320, H361.

What are the key physical properties of Tetramethylene sulfone?

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).

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.

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