Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise specializing in the research and development, manufacturing, and sales of fine chemicals. Headquartered in Jinan, Shandong, China, we are committed to delivering high-quality products to our global partners. Currently, over 90% of our products are exported to developed markets, including North America, Europe, Japan, South Korea, and the Middle East.
Product Overview
Dimethyl sulfoxide (DMSO, CAS 67-68-5) is a highly polar aprotic organic solvent. It appears as colorless transparent liquid with a slight characteristic odor. Featuring excellent dissolving capacity, strong permeability and chemical stability, it is widely used as solvent, reaction medium, extractant and pharmaceutical auxiliary material in chemical, pharmaceutical, electronic and biological fields. Produced via advanced synthesis and distillation processes, this product has high purity, low moisture and stable batch quality. For legitimate industrial production, formulation and scientific research only.
Product Features
- High Purity: GC ≥99.0% / ≥99.9%, moisture and volatile impurities are strictly controlled.
- Powerful Solubility: Dissolves inorganic substances, organic compounds, polymers and biomaterials widely.
- Strong Permeability: Easily penetrates biological tissues, commonly used in pharmaceutical preparations and skin care products.
- Low Volatility: Relatively low vapor pressure, not easy to volatilize under normal conditions.
- Good Chemical Compatibility: Compatible with most organic and inorganic raw materials.
- Strict Quality Control: Each batch is fully tested; standard COA and inspection reports are available.
Physical & Chemical Properties
Physical Properties
- Appearance: Colorless transparent liquid
- Odor: Slight characteristic sulfur-containing odor
- Melting Point: 18.4 °C
- Boiling Point: 189 °C (760 mmHg)
- Density: 1.100 g/cm3 (25 °C)
- Refractive Index: n20/D 1.479
- Flash Point: 95 °C (closed cup)
- Solubility: Miscible with water, ethanol, methanol, ether and most organic solvents
- Viscosity: 1.99 mPa·s (25 °C)
Chemical Properties
- Chemical Stability: Stable in sealed, cool and dry environment. Avoid long-term exposure to strong oxidants.
- Acid-Base Character: Neutral solvent, stable in weak acid and weak alkali systems.
- Reactivity: Acts as solvent or reactant; participates in oxidation, reduction and alkylation reactions under specific conditions.
- Thermal Stability: Decomposes gradually above 190 °C.
- Incompatibility: Avoid contact with strong oxidants, strong acids and halogenated compounds under heating conditions.
Applications
- Pharmaceutical Industry: High-purity solvent for drug synthesis, carrier for transdermal drugs and pharmaceutical excipient.
- Organic Synthesis: Universal reaction solvent for various coupling, condensation and catalytic reactions.
- Biotechnology & Laboratory: Cell cryoprotectant, solvent for biochemical reagents and analytical testing.
- Electronic Industry: Cleaning agent and solvent for electronic components and circuit boards.
- Fine Chemicals & Cosmetics: Solvent and penetration enhancer for daily chemicals, coatings and adhesives.
Usage Restriction: For industrial synthesis and scientific research use only. Strictly forbidden for illegal processing and improper application.
Storage & Transportation Instructions
Storage Conditions: Store in a cool, dry and well-ventilated warehouse. Keep container tightly sealed. Keep away from direct sunlight, heat sources and strong oxidants. Recommended storage temperature: 10 – 25 °C.
Transportation Requirements: Transport as general chemical goods. Avoid violent collision, extrusion and rain soaking. Do not transport together with oxidants, corrosive substances and toxic goods.
Operation Notes: Wear chemical-resistant gloves, safety goggles and protective mask. Work in a well-ventilated area. Avoid inhalation of vapor and direct contact with skin and eyes.
Regulatory Information
This product is a widely used polar solvent, complying with general industrial chemical standards. Domestic sales and cross-border export shall comply with local chemical supervision regulations. All transactions are limited to qualified chemical factories, pharmaceutical enterprises, laboratories and research institutions.
Full Product Parameter Table
| Item | Specification & Details |
| Product Name | DMSO / Dimethyl sulfoxide |
| CAS NO. | 67-68-5 |
| IUPAC Name | Dimethyl sulfoxide |
| Synonyms | Methyl sulfoxide; Sulfinylbis(methane) |
| Category | Organic Sulfur Compound, Aprotic Polar Solvent |
| Molecular Formula | C2H6OS |
| Molecular Weight | 78.13 |
| EINECS Number | 200-664-3 |
| UN Number | Non-dangerous goods |
| Appearance | Colorless transparent liquid |
| Purity | GC ≥99.0% / ≥99.9% (customizable) |
| Melting Point | 18.4 °C |
| Density | 1.100 g/cm3 (25 °C) |
| Boiling Point | 189 °C (760 mmHg) |
| Flash Point | 95 °C (closed cup) |
| Refractive Index | n20/D 1.479 |
| Solubility | Miscible with water and all common organic solvents |
| HS Code | 29309070 |
| Storage Temperature | 10 – 25 °C, sealed, dry & dark environment |
| Packing Specification | 25kg/plastic drum, 200kg/iron drum |
| Grade Standard | Industrial Grade / Pharma Grade / Electronic Grade / Research Grade |
| Application Scope | Organic solvent, pharmaceutical excipient, cell cryoprotectant, cleaning agent |
| Validity Period | 24 Months under specified storage conditions |
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