Sulfolane-Shandong Huashang Chemical Co., Ltd.

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Sulfolane

Brand：HS

Model：25kg/drum

Purity：99%

Cas：126-33-0

Createtime： 2026-04-14
Updatetime： 2026-04-15

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Product Details

useage	Industrial use
deliveryInfo
appearance	liquid
Molecular Weight	120.17
aliasen
supplyCapacity	50000MT/Month
harbor	Qingdao,China
minorder	1KG
Appearance	Colorless transparent liquid or white crystalline solid

Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise specializing in the research and development, manufacturing, and sales of fine chemicals. Headquartered in Jinan, Shandong, China, we are committed to delivering high-quality products to our global partners. Currently, over 90% of our products are exported to developed markets, including North America, Europe, Japan, South Korea, and the Middle East.

Basic Information

Product Name: Sulfolane

Alias: Tetramethylene sulfone; Tetrahydrothiophene 1,1-dioxide; Cyclobutyl sulfone; Sulfolan

CAS No.: 126-33-0

EINECS No.: 204-783-1

Molecular Formula: C?H?O?S

Molecular Weight: 120.17 g/mol

Classification: Organic sulfone compound, high-polar aprotic solvent, fine chemical, petroleum chemical raw material

Physical & Chemical Properties

Appearance: Colorless transparent liquid at temperature ＞27.8℃; white crystalline solid at temperature ＜27.8℃, odorless or slightly bitter, with excellent thermal and chemical stability, non-corrosive

Density: 1.261 g/cm3; stable density within a wide temperature range

Melting Point: 27.4-27.8 °C; easy to crystallize at low temperature, can be melted by proper heating

Boiling Point: 285-287 °C; does not decompose under normal boiling conditions

Vapor Pressure: 0.035 hPa; low volatility, minimal vapor loss under normal storage conditions

Refractive Index: 1.4810; stable refractive index, suitable for precision chemical applications

Flash Point: 165-177 °C; high flash point, low flammability risk

Solubility: Miscible with water, methanol, ethanol, acetone and other polar solvents; slightly soluble in paraffins and alkenes; insoluble in non-polar solvents; has strong solubility for aromatics and inorganic salts

Purity: ≥99.0%, ≥99.5% available for industrial grade, ≥99.8% for reagent grade, ≥99.99% for electronic grade

Storage Condition: Sealed, dry and cool place; room temperature storage is acceptable, avoid low temperature and high temperature; keep away from strong oxidants; store in a well-ventilated area, keep container tightly closed

Main Uses

Petrochemical Field: As a key selective solvent, it is widely used in aromatic extraction process to separate aromatic hydrocarbons; also used in natural gas pretreatment to remove impurities, and can be recycled
Safety & Chemical Processing Field: Used as HF vapor suppressant to reduce volatilization risk; also used as condenser carrier and lubricating oil additive to improve product performance
Other Fields: Used as high-polar solvent in pharmaceutical synthesis, additive in lithium battery electrolytes, and reaction solvent in laboratory research

Specification Table

Item	Specification	Unit	Remarks
Product Name	Sulfolane	—
CAS Number	126-33-0	—
Molecular Formula	C?H?O?S	—
Molecular Weight	120.17	g/mol
Appearance	Colorless transparent liquid or white crystalline solid	—
Purity	≥99.0	%
Melting Point	27.4-27.8	℃