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Sulfolane 126-33-0

19 Inquiries

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CAS No.:

126-33-0

Grade:

Industrial Grade

Content:

98%

Port:

shanghai

Packaging:

according to the clients requirement

Price valid (until):

2023-12-27

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Dayang Chem (Hangzhou) Co.,Ltd

Company Type:

Manufactory

Location:

China

Qualification:

Main Products:

N-Diethyl-m-toluamide,6-Methyluracil,Anisole,4-Dimethoxybenzoic acid,CS (lacrimator),Daucosterol

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Product Description
Seller Information
Inquiry History

Description

Product Detail

as a leading manufacturer and supplier of chemicals in china, dayangchem not only supply popular chemicals, but also dayangchem's r&d center offer custom synthesis services. dayangchem can provide different quantities of custom synthesis chemicals in lab, plant and industrial scale with more than fifteen years.

dayangchem exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, dayangchem is your best choice.

pls contact with us freely for getting detailed product specifications, product tech. date sheet, coa and msds, prices, delivery time and payment terms.

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dayang chem (hangzhou) co.limited, established in 2000, dedicated to the development, production and marketing of chemicals. we are a leading manufacturer and supplier of chemicals in china.

manufacturing base: the company has some manufacturing base in zhejiang, jiangsu and shandong provide. these bases focus on production and contract manufacturing.

strong quality control system: strength of our ethical commitment to quality control and quality assurance systems firmly based on iso standard. qa and qc used in the whole process of raw material control, process control and finished product quality inspection.

sales agent: dayangchem are authorized by many chinese chemical manufacturers as universal agency and international area agency. dayangchem has established very good cooperation and business relations with hundreds of chinese qualified manufacturers by long time business intercourse.

rich experience in sales: 1000 square meters of office space with independent property rights, sales team of nearly 40 people. our customers throughout the world, especially the world-renowned companies, such as bachem, basf, celanese, corden,dow,evonik, genzyme,henkel, merck,roche,sanofi,solvay.

flexible payment terms: various payment terms such as l/c,d/p,d/a and t/t will be accepted. special notice: dayangchem never require customers to remit payment to a personal account. beware of being cheated.

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Basic Info

Product Name:

Sulfolane

Other Name:

Thiophene,tetrahydro-,1,1-dioxide;Cyclic tetramethylene sulfone;Cyclotetramethylene sulfone;Sulfolan;Sulfolane;Tetrahydrothiophene 1,1-dioxide;Tetramethylene sulfone;1,1-Dioxothiolan;Bondolane A;Thiacyclopentane dioxide;Tetrahydrothiophene dioxide;Sulpholane;Thiophane dioxide;Bondelane A;Thiophane 1,1-dioxide;Thiolane 1,1-dioxide;Tetrahydrothiophene S,S-dioxide;NSC 46443;Sulfolane SG;1λ6-Thiolane-1,1-dione;208252-54-4

CAS No.:

126-33-0

Molecular Formula:

C4H8O2S

InChIKeys:

InChIKey=HXJUTPCZVOIRIF-UHFFFAOYSA-N

Molecular Weight:

120.166

Exact Mass:

120.17

EC Number:

204-783-1

UNII:

Y5L06AH4G5

NSC Number:

46443

UN Number:

3334

DSSTox ID:

DTXSID3027037

Color/Form:

White or creamy white, crystalline powder

HScode:

29349990

Categories:

Bulk Drug Intermediates

Characteristics

PSA:

42.5

XLogP3:

-0.8

Appearance:

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)

Density:

1.2606 g/cm³ @ Temp: 30 °C

Melting Point:

27.4-27.8 °C

Boiling Point:

285 °C

Flash Point:

177 DEG C (350 DEG F) (OPEN CUP)

Refractive Index:

n 20/D 1.484(lit.)

Water Solubility:

H2O: >=100g/l soluble ;Freely soluble in alcohol, soluble in dilute mineral acids

Storage Conditions:

Store in a cool, dry place. Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

Vapor Pressure:

0.01 mm Hg ( 20 °C)

Vapor Density:

4.2 (vs air)

Toxicity:

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

Odor:

Odorless

Taste:

Slightly bitter taste

Henrys Law Constant:

Henry's Law constant = 4.8X10-6 atm-cu m/mole (est)

Experimental Properties:

HIGHLY POLAR CMPD WITH OUTSTANDING SOLVENT PROPERTIES|Heat of solution = -22 Btu/lg = -12 Cal/g|Heat of fusion: 11.44 kJ/kg; dielectric constant: 43.3|Hydroxyl radical reaction rate constant = 1.3X10-11 cu cm/molecule-sec at 25 deg (est)

Air and Water Reactions:

Water soluble.

Reactive Group:

Sulfonates, Phosphonates, and Thiophosphonates, Organic

Reactivity Profile:

Mixing SULFOLANE in equal molar portions with any of the following substances in a closed container caused the temperature and pressure to increase: chlorosulfonic acid and oleum [NFPA 1991]. With nitrating agents (nitronium tetrafluoroborate in sulfolane) very highly exothermic reactions are known to occur [J. Org. Chem., 1978, 43, 4677].

Heat of Combustion:

-9,500 Btu/lb= -5,300 Cal/g

See More Sulfolane Properties 

Hazard Identification

Classification of the substance or mixture

Acute toxicity - Category 4, Oral

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)
Signal word	Warning
Hazard statement(s)	H302 Harmful if swallowed
Prevention	P264 Wash ... thoroughly after handling. P270 Do not eat, drink or smoke when using this product.
Response	P301+P317 IF SWALLOWED: Get medical help. P330 Rinse mouth.
Storage	none
Disposal	P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

See More Sulfolane Safety Data Sheet 

Seller Information

Business Type:
Manufactory

Main Products:
N-Diethyl-m-toluamide,6-Methyluracil,Anisole,4-Dimethoxybenzoic acid,CS (lacrimator),Daucosterol

Location:
RM901-7,Unit 2,259# WenSan Road, Xihu District, Hangzhou Zhejiang, China

Payment Terms:
TT against copy of documents,D/P,L/C,D/A,TT against B/L draft before shipment,100% TT in advance

Average lead Time:
2

Total Annual Revenue:
$10 million-$25 million

Total Employees:
11-50

Year of Establishment:
2020

Certifications:
Dangerous Chemicals Business License,Pesticide Business License,ISO 9001:2015

Company
Dayang chem (Hangzhou) Co., Ltd.,which headquartered in Hangzhou, China, is a high-tech enterprise specialized in technical research, production, development and trade of chemical products. Dayang chem (Hangzhou) Co., Ltd retained the whole sales, technical and after-sales team of Hangzhou Dayangchem Co., Ltd, which will serve our customers better.
DAYANG CHEM covers whole range from small amount (gram grade) for research to big bulk for industrial production. Synthesis capacity from 1 liter to 3000 liter is available.
business serve local customers and markets around the globeProfile

Company Profile
Dayangchem focus on:
-Organic compounds
-Active Pharmaceutical Ingredient(s)
-Nutritional products
-Custom synthesis
-Contract Manufacturing
We have following advantages:
Our laboratory---We have two laboratories in Zhejiang University and Zhejiang Industry University . These laboratories focus on Technology Development and Custom Synthesis,
Manufacturing base --- The company has Manufacturing bases in Zhejiang, Jiangsu and Shandong province. These bases focus on production and Contract Manufacturing.
Sales agent ---DAYANG CHEM are authorized by some Chinese chemical factories as universal agency and international area agency.
Good reputation---DAYANG CHEM has established very good cooperation and business relations with hundreds ofqualified manufacturers worldwide. Our products were exported to more than 100 countries

Inquiry History

19 Inquiries

Country	Product	Purchase Quantity	Date Posted
Russia	Factory Supply CAS 126-33-0 Sulfolane	72 MT	Oct 27, 2023
India	Sulfolane	10.00 KG	Jun 5, 2025
India	Sulfolane	30.00 KG	Jun 5, 2025
Singapore	Sulfolane	200.00 MT	Feb 6, 2026
India	Sulfolane Anhydrous	10 MT	Nov 18, 2024
Indonesia	Sulfolane	72 MT	Jul 1, 2026
China	Sulfolane	25 MT	Jul 15, 2025
India	Sulfolane	5 MT	May 19, 2025
India	Sulfolane	18000.00 KG	Apr 16, 2024
Belgium	Sulfolane	1 MT	May 9, 2026
India	Sulfolane	2000 KG	May 7, 2026
Qatar	Sulfolane	500 MT	Sep 15, 2025
India	Sulfolane	20 MT	Sep 10, 2025
Egypt	Sulfolane	50.00 KG	May 23, 2025
India	Sulfolane	1 MT	Apr 7, 2025
India	4-Nitrobenzoic acid	1.00 KG	Sep 30, 2025
Poland	Sodium hypochlorite	40.00 KG	Jun 12, 2025
Poland	Paraffin Wax	50.00 KG	Jun 12, 2025
Bangladesh	Butyl Acetate	1.00 KG	Nov 11, 2025

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