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DMSO -Universal Solvent Colorless And Odorless Transparent Liquid

Dimethyl sulfoxide (DMSO) is a sulfur-containing organic compound with the empirical formula (CH3) 2SO. It is a colorless and odorless transparent liquid at room temperature and a hygroscopic flammable liquid. It has the properties of high polarity, high boiling point, good thermal stability, aprotic and water miscibility. It is soluble in most organic substances such as ethanol, propanol, benzene and chloroform and is known as the "universal solvent". Heating in the presence of acid produces a small amount of compounds such as methyl mercaptan, formaldehyde, dimethyl sulfide and methanesulfonic acid. It decomposes at high temperatures and can react violently when encountered with chlorine. It burns in the air and gives off a light blue flame. It can be used as an organic solvent, a reaction medium, and an organic synthesis intermediate. It can also be used as a coloring agent, a decolorizing agent, a dye carrier for synthetic fibers, and an absorbent for the recovery of acetylene and sulfur dioxide.
Product Description

China, Japan, France and China all have production facilities for dimethyl sulfoxide. By the end of 1997, the current production capacity of dimethyl sulfoxide in the USA, France and Japan reached 30,000 tons / year. China is about 10,000 tons / year.


Formula (CH3)2SO
Molecular weight 78.13
CAS 67-68-5
Properties An organic compound containing sulfur and a colorless, odorless, transparent liquid at room temperature.
Uses Mainly applied in pesticides, agricultural fertilizers, petroleum processing, synthetic fibers, pharmaceutical production and medical treatment
Packing Barreled
Storage 1. The product should be sealed in a cool, dry place and protected from light. 2. The product is packaged in aluminum barrels, plastic barrels or glass bottles. Store in a cool, ventilated and dry place, store and transport in accordance with the regulations for flammable and toxic substances.


Inspection Items Product Index
Content(DMSO )% ≥99.90
Appearance Colorless transparent liquid
Acid Value (mgKOH/g ) ≤0.03
Water content KF % ≤0.10
Crystallization point(℃) ≥18.00
Transmittancy (400nm)% ≥96.00
Refractive Index (20℃) 1.4775-1.4790


Use in pesticides and fertilizers:

Used as a solvent, penetrant and synergist for pesticides and agricultural fertilizers. Can be used as a pesticide additive. Foreign reports use dissolving antibiotics to treat fruit tree rot, use pesticides dissolved in them to kill bores in trees and fruits, and spray 0.5 ‰ of the solution during the flowering period of soybeans to increase soybean yield by 10% to 15%. Adding 5 ‰ DMSO to various fertilizer solutions is more likely to result in personal poisoning.

It was used to treat fungal diseases in Chinese fruit trees. In plant experiments, impermeable drugs and dyes are mixed in their aqueous solutions and then the stems are smeared. After 12 hours, the twigs, leaves, rhizomes, and fruits were found to be contained or colored, and the results disappeared after 24 hours. The results show that the drugs and pigments dissolved in it can penetrate and circulate and can also be excreted via the metabolism. This function shows its application perspectives in agriculture, which must be investigated in the future.

Application in petroleum processing:

Used as an extraction solvent in aromatics extraction. The first method is the French IFP method, published at the 35th National Conference of the Chemical Industry in Warsaw. Its advantages are: 1. High selectivity for aromatics, 2. Unrestricted miscibility with aromatics at room temperature, 3. Low extraction temperature, no reaction with alkanes, alkenes and water, 4. No corrosion and no toxicity; 5. Easier extraction process, less equipment and energy saving. 6. Insoluble olefin is suitable for high olefin oil. 7. Steam stripping can be used for solvent recovery. It is superior to Shell's sulfoxide method and Universal's Udcx method. The imported equipment was used by the Chinese Beijing and Liaoyang Petrochemical Company.

It is insoluble in alkanes, so it can be used to refine edible wax, edible white oil, and detect substances that are used in cancer treatment.

It is easily soluble in acetylene. Each liter of DMSO can dissolve 33 liters of acetylene, while acetone can only dissolve 25 liters of acetylene. Its high boiling point makes it easy to extract and regenerate. Therefore it is used for the extraction of petroleum acetylene and for the production of dissolved acetylene.

It is easily soluble in organic sulfides, aromatic compounds and alkynes and is widely used for refining lubricating oil and diesel. It and water do not freeze at -60 ° C at 40%. It is therefore used in gasoline, aviation fuel icing agents and automotive antifreeze in alpine regions. Ferrocene is used as a reaction solvent in the manufacture of the fuel oil additive, which can accelerate the reaction of sodium dicyclopentadiene and ferric chloride and increase the yield. In the production of nitroalkanes, the direct reaction yield of sodium nitrite and chloroalkanes is very high. Recently there have been many reports of petroleum refining and new applications are constantly being developed, especially industrial production in the overseas diesel refinery.

For synthetic fibers:

Used for spinning acrylic. Toyo Rayon Co., Ltd.'s first patent application involved polymerizing acrylonitrile without separation and then spinning it directly in a water bath to make bulky, soft, and easily dyable man-made wool. Its advantages are a simplified process, high solubility, high boiling point of the solvent, non-toxic, easy to recycle, good product performance and low cost. Some acrylic fiber factories in Yuci, Dalian, and Beijing Shanxi use this process. It has also recently been used to make carbon fibers with polyacrylonitrile. It is used to refine terephthalate in the manufacture of polyester resin abroad. In addition, its spun and acrylonitrile copolymers are also used to make chlorinated fibers.

Application in pharmaceutical production:

Used as a reaction solvent in the synthesis of pharmaceutical intermediates. For example, fluorochloroaniline is made by using potassium fluoride and 3,4-dichloronitrobenzene to make norfloxacin and fluorinated drugs (such as trifluoronite).



Q1: What are the varieties of DMSO?

Answer: Industrial grade dimethyl sulfoxide, pharmaceutical grade dimethyl sulfoxide, external pharmaceutical grade dimethyl sulfoxide, anhydrous grade dimethyl sulfoxide, reagent grade dimethyl sulfoxide, spectral pure grade dimethyl sulfoxide Base sulfoxide, electronic grade dimethyl sulfoxide; industrial grade dimethyl sulfide, reagent grade dimethyl sulfide, food grade dimethyl sulfide; industrial grade dimethyl sulfone, pharmaceutical grade dimethyl sulfone, Food grade dimethyl sulfone; industrial grade sodium methyl mercaptan and other chemical products.

Q2: Do you have a factory?

Answer: We have our own factory and the products are of high quality.

Q3: When can I receive the quotation?

Answer: We will usually reply within 24 hours after receiving your inquiry. If you have more questions to discuss, please call or tell us in the email so that we can get back to you as soon as possible.

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