Dimethyl Sulfoxide (DMSO) | Dimethyl Sulfoxide | CAS 67-68-5 | High-purity polar solvent
Chemical Name: Dimethyl Sulfoxide (DMSO)
CAS Number: 67-68-5
Molecular Formula: C₂H₆OS
Molecular Weight: 78.13 g/mol
Chemical Structure:
CH3
|
CH3 - S = O
Dimethyl sulfoxide (DMSO) is a transparent, colorless, highly polar organic solvent with a slight garlic odor. Due to its excellent solubility, biocompatibility, and stability, it is widely used in various industries, including chemical synthesis, biopharmaceuticals, electronic chemistry, agricultural chemical formulations, and polymerization reactions.
📊 Physical and Chemical Properties of Dimethyl Sulfoxide (DMSO)
| Property | Value |
|---|---|
| Appearance | Colorless transparent liquid |
| Purity | ≥99.9% (electronic grade available) |
| Density (20℃) | 1.100–1.105 g/cm³ |
| Boiling Point | 189°C |
| Melting Point | 18.4°C (may solidify at room temp) |
| Flash Point (Closed Cup) | 89°C |
| Solubility | Miscible with water, alcohols, ethers, ketones |
| Stability | Thermally stable and chemically inert |
Main Application Areas
🧪 1. Chemical Synthesis Solvent
DMSO, a highly polar aprotic solvent, is widely used in organic synthesis reactions, catalytic systems, and polymerization reactions. It is the preferred solvent for reactions such as Grignard reactions and nucleophilic substitution.
💊 2. Pharmaceutical Research and Biological Sample Preservation
Used for drug dissolution and permeability enhancement
Serves as a key component in cell cryopreservation solutions
Serves as a raw material for the preparation of various pharmaceutical intermediates
💡 3. Electronic Chemistry and Semiconductor Materials
In the electronics industry, DMSO is used for photoresist cleaning, liquid crystal display manufacturing, and as a diluent in battery electrolytes, particularly in applications requiring strict impurity control.
🌾 4. Pesticides and Plant Growth Promoters
Serves as a pesticide solvent and penetrant, improving the absorption rate of active ingredients. It also serves as a sustained-release agent in control agent formulations.
🧼 5. Industrial Cleaning and Oil Extraction
Used for metal surface treatment, resin release, and natural product extraction, it exhibits excellent solubility and thermal stability.
Product Advantages
✅ High purity ≥99.9%, low moisture and impurities
✅ Excellent solubility, suitable for a variety of polar and non-polar substances
✅ Good biocompatibility, suitable for pharmaceuticals and cell cryopreservation
✅ Available in industrial, pharmaceutical, and electronic grades
✅ Export support: MSDS, TDS, COA, and other materials provided
Packaging, storage and transportation information
| Packaging Type | Specification |
|---|---|
| Plastic/Steel Drum | 25kg, 200kg |
| IBC Tank | 1000kg |
| Custom Small Packaging | 1L, 5L, 10L (for samples) |
Storage: Store sealed in a cool, dry place, away from high temperatures and open flames.
Shipping: Non-hazardous goods, standard shipping methods accepted.
FAQ
Q1: What purity level of DMSO do you offer?
A1: We offer industrial, pharmaceutical, and electronic grade DMSO, with purity ranging from ≥99.5% to 99.99%.
Q2: Do you provide samples?
A2: We accept free sample requests (100ml/250ml), with express delivery.
Q3: Do you offer OEM/ODM services?
A3: We support OEM/ODM customized packaging and brand labels. We welcome cross-border e-commerce collaborations with brand owners.
Q4: Do you offer export services?
A4: We offer global shipping. We have extensive export experience and can assist customers with customs clearance and documentation.
Contact us for the latest quote.
📍 Shipping origin: China (multiple warehouses), supporting FOB, CIF, DDP, and other trade terms.
