Dimethyl Sulfoxide (DMSO) is a widely used organic solvent in chemical manufacturing, pharmaceutical production, and laboratory research. With the molecular formula (CH₃)₂SO and CAS number 67-68-5, DMSO is known for its high polarity, strong dissolving ability, and excellent chemical stability. Because of these properties, it has become one of the most important solvents in modern organic chemistry and industrial processes.
Basic chemical information:
- Chemical Name: Dimethyl Sulfoxide
- Molecular Formula: (CH₃)₂SO
- CAS Number: 67-68-5
- Appearance: Colorless transparent liquid
- Boiling Point: 189°C
- Density: About 1.10 g/cm³
- Solubility: Miscible with water, alcohols, and many organic solvents
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Physical properties Of DMSO Dimethyl Sulfoxide
DMSO is a solvent with special physical properties. Its density is 1.10 g/cm³, its boiling point is 189°C, and its melting point is 18.45°C. In addition, it has a high dielectric constant and refractive index and can be used in analysis such as infrared spectroscopy, NMR and mass spectrometry. However, due to its strong absorption into the skin, it cannot come into contact with the skin and do not inhale its vapor to avoid causing damage to the human body.
Synthesis method
Dimethyl Sulfoxide (DMSO) can be synthesized by oxidation of dimethyl sulfide and oxygen, reaction of sodium methyl sulfate and dimethyl ammonia, etc. However, due to the high toxicity of DMSO, which is very harmful to the environment and human body, special care is required during synthesis and use.
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dmso dimethyl sulfoxide uses
Organic Synthesis:
DMSO Dimethyl Sulfoxide is an important polar solvent widely used in organic synthesis. It can dissolve many organic compounds and helps promote chemical reactions.
Pharmaceutical Field:
In the pharmaceutical industry, DMSO is used as a solvent and carrier for drugs, helping active ingredients penetrate biological tissues. It is also used in topical applications for the treatment of conditions such as arthritis.
Biochemical Research:
Dimethyl Sulfoxide is commonly used as a solvent or additive in biochemical research, including cell culture, protein purification, and analytical studies.
Health Products and Cosmetics:
It is sometimes used in health products and cosmetics because of its penetration ability and moisturizing properties.
Industrial Applications:
Organic Solvent DMSO is also used in various industrial applications, such as lubricants, extraction solvents, and as a solvent or additive in resin processing.
Benefits of Using DMSO
DMSO offers several advantages compared with many other organic solvents:
Excellent Solvating Power
DMSO can dissolve a wide variety of organic compounds, inorganic salts, and polymers.
High Polarity
Its polar structure makes it particularly effective for reactions involving nucleophiles.
High Boiling Point
The high boiling point allows reactions to be conducted at elevated temperatures without rapid solvent loss.
Chemical Stability
DMSO remains stable under many reaction conditions and is compatible with a wide range of reagents.
Toxicity and Safety Considerations
Although DMSO is widely used in laboratories and industry, it must be handled carefully.
One of the most notable properties of DMSO is its ability to penetrate the skin. This means that substances dissolved in DMSO can potentially enter the bloodstream through skin contact.
Possible safety concerns include:
- Skin irritation
- Eye irritation
- Absorption of dissolved chemicals through the skin
Safety precautions include:
- Wearing chemical-resistant gloves and protective eyewear
- Avoiding direct skin contact
- Working in well-ventilated areas
Proper handling and storage help ensure safe use of DMSO in both industrial and laboratory environments.
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