Dimethyl Sulfoxide
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Dimethyl Sulfoxide

Dimethyl sulfoxide (DMSO) is an organosulfur compound with the formula (CH3)2SO. This colorless liquid is an important polar aprotic solvent that dissolves both polar and nonpolar compounds and is miscible in a wide range of organic solvents as well as water. It has a relatively high melting point. DMSO has the unusual property that many individuals perceive a garlic-like taste in the mouth after contact with the skin.

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Product Description

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Dimethyl sulfoxide (DMSO) CAS:67-68-5

Dimethyl sulfoxide Chemical Properties




Melting point: 18.4°C

Boiling point 189°C

Density 1.100g / mL

Color Colorless liquid

Dimethyl sulfoxide (DMSO) CAS:67-68-5 Specification:







Crystallization Point



Acid Value



Crystallization point(℃)



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Refractive Index(20℃)



Dimethyl sulfoxide (DMSO) CAS:67-68-5 Introduction:
Dimethyl sulfoxide (DMSO) can be used as organic solvent, reaction medium and intermediate of organic synthesis.Very versatile.This product has a high ability of selective extraction and polysulfone resin used in acrylic resin polymerization and condensation of solvent, polymerization of polyacrylonitrile and acetate fiber spinning solvent, the separation of alkanes and aromatics extraction solvents, used for aromatics, butadiene extraction, acrylic spinning, the plastic solvent and organic synthesis of dye, pharmaceutical and other industrial reaction medium.In medicine, dimethylsulfoxide has anti-inflammatory and analgesic effects, and has a strong permeability to the skin, thus dissolving some drugs, so that such drugs can penetrate into the human body to achieve the purpose of treatment.This carrier characteristic of dimethylsulphoxide can also be used as an additive of pesticide.A small amount of dimethylsulphoxide is added to some pesticides to help them penetrate into plants and improve their effectiveness.Dimethyl sulfoxide can also be used as the dyeing solvent, dedyeing agent and dyeing carrier of synthetic fiber, as well as the absorbent for recovering acetylene and sulfur dioxide, the modification agent for synthetic fiber, antifreeze agent, capacitor medium, brake oil, rare metal extraction agent, etc.

Dimethyl sulfoxide (DMSO) CAS:67-68-5 Function:
Dimethyl sulfoxide is used to enhance dermal absorption of many chemicals.A solvent for many organic and inorganic compounds including fats, carbohydrates, dyes, resins, and polymers.Used in antifreeze or hydraulic fluids and as a cryopreservative for cell cultures.Used in the oxidation of thiols and disulfides to sulfonic acids. Used as a PCR cosolvent to help improve yields, especially in long PCR. 

Dimethyl sulfoxide (DMSO) CAS:67-68-5 Application:
1:Dimethyl sulfoxide application in medical treatment
DMSO has solution for many drugs, permeability, itself has anti-inflammatory, analgesic, promote blood circulation and wound healing, and diuresis, pin function

2: Dimethyl sulfoxide application in petroleum processing

Its advantages are: (1) high selectivity of aromatics; 2 room temperature restrict the miscibility of aromatic hydrocarbons; (3) low extraction temperature, and does not react with alkanes, alkenes, water; (4) non-corrosive, non-toxic; 5] extraction process is simple, less equipment, energy saving; [6] insoluble olefin is suitable for high olefine oil; Once dissolved recycling reverse extraction available .
DMSO to alkane insoluble, so wax used in food, the consumption of white oil refining and cancer detection.

3: In the application of synthetic fiber

DMSO in acrylic spinning in the application, the earliest is toyo rayon, patent application, make the acrylonitrile polymerization in DMSO, no separation, direct jet in the water bath, get bulk, soft and easy to artificial wool dyeing. Its advantage is to simplify the process, high solubility, high boiling point solvent, non-toxic, easy recovery, good product performance and low cost.

4: In the agricultural chemicals, agricultural fertilizer application

DMSO is agricultural chemicals, agricultural fertilizer solvents, penetrating agent and synergistic agent.

5: In the application of the dyes

Jilin dye factory in jintan and Greenland used after using DMSO production capacity in production, the yield increased significantly, the dye factory is still in use in sichuan province. According to the report in the printing and dyeing in DMSO make dyeing even eliminate the color difference.

6: Dimethyl sulfoxide application in coatings

DMSO as solvent, solvent, antifreeze, is widely used in the other hand paint. Because the DMSO to various resin good solubility, thus as solubilizer in some of the paint. More important purpose is to paint. Adding alkali DMSO or nitric acid, can get rid of, including epoxy resin, all kinds of paint film.

7: In the application of the antifreeze

DMSO antifreeze in northern cold region for deicing agent, paint, all kinds of latex antifreeze, gasoline, jet fuel deicing agent, bone marrow, blood, low temperature preservation of antifreeze, etc.

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