GHS Classification: Exclamation Mark (GHS07)
Hazard Statements: May cause mild skin and eye irritation; prolonged or repeated exposure may cause effects on the central nervous system; facilitates absorption of toxic substances through the skin.
UN Number: Not regulated (non-hazardous for transport)
Hazard Class: Not classified as dangerous under transport regulations
Packing Group: Not applicable
Dimethyl Sulfoxide
GTC-335
Representative packaging
Other Organic Compounds
Dimethyl Sulfoxide
- CAS No.
- 67-68-5
- Catalogue ID
- GTC-335
Dimethyl Sulfoxide, CAS 67-68-5. Source-derived identification, physical data and applications are provided for catalogue reference; request the current specification, COA and SDS for the required grade.
Catalogue aliases / related identifiers
DMSO; Methyl sulfoxide; Methylsulfinylmethane; Dimethyl sulphoxide; Dimexide; Sclerosol; (CH3)2SO; Sulfinylbismethane
Supplied catalogue source: GTC-335 · Page 21
Reference data — confirm before ordering or use
The information below is a structured migration from the supplied catalogue snapshot. It is not a current product specification, COA or SDS. Confirm the actual supplier, grade, batch documents, classification, packing and destination requirements for your enquiry.
Basic Information of Dimethyl Sulfoxide
Dimethyl sulfoxide (DMSO), CAS 67-68-5, is a polar aprotic solvent. The following catalogue data is for reference; request the current specification, COA and SDS for the required grade.
DMSO enquiry checklist
For a Dimethyl Sulfoxide (DMSO), CAS 67-68-5, quotation, please include:
- Required grade or specification
- Minimum assay and test basis
- Maximum water content
- Required quantity
- Destination country and port
| CAS No.: | 67-68-5 |
|---|---|
| EC No.: | 200-664-3 |
| Linear Formula: | C₂H₆OS |
| Molecular Weight: | 78.13 |
| Appearance: | Transparent Liquid |
| Odor: | Odorless or a slight sulfur odor |
| Melting Point: | 18.4 °C |
| Boiling point: | 189°C(lit.) |
| Density: | 1.100g/mLat 20°C |
| Solubility: | Highly miscible with water and a wide range of organic solvents, including alcohols, ethers, ketones, and aromatic hydrocarbons. |
| Hygroscopic: | Readily absorbs moisture from the air. |
| Low Toxicity: | Generally considered low toxicity, but skin absorption is rapid. |
| Chemical Structure: |  |
Our commitment to delivering high-purity Dimethyl Sulfoxide ensures a reliable and efficient component for your critical processes, offering consistent quality for diverse industrial needs.
Typical Applications of Dimethyl Sulfoxide (DMSO)
Dimethyl Sulfoxide is a versatile polar aprotic solvent widely used across pharmaceutical, chemical, biotechnology, electronics, and industrial manufacturing environments.
DMSO is widely used as a pharmaceutical solvent in formulation development, excipient systems, and drug delivery research.
It is commonly applied as an industrial solvent for polymer dissolution, resin processing, and chemical manufacturing operations.
High-purity grades are used for electronics cleaning in semiconductor fabrication, photoresist stripping, and PCB processing.
In organic synthesis, DMSO is frequently used as a reaction solvent for oxidation, substitution, and coupling reactions.
It is also used as an extraction solvent in separation and purification processes for pharmaceutical intermediates and natural products.
In biotechnology, DMSO is used as a cryoprotectant and formulation excipient for cell, tissue, and microbial preservation.
Commitment to Quality & Safety: We adhere to the highest industry standards for quality management, safety, and environmental responsibility across all our operations, ensuring peace of mind for our clients.
Frequently Asked Questions — Dimethyl Sulfoxide (CAS 67-68-5)
What is Dimethyl Sulfoxide (DMSO)?
Dimethyl Sulfoxide (DMSO) is an organosulfur compound with the chemical formula (CH3)2SO. It is a highly polar, aprotic solvent with exceptional ability to dissolve both polar and nonpolar compounds, making it widely used in pharmaceuticals, biotechnology, and chemical research.
Is Dimethyl Sulfoxide safe?
DMSO is generally regarded as non-hazardous under GHS classification and is not regulated as a dangerous good for transport. However, it can rapidly penetrate skin and carry dissolved substances into the body. Proper laboratory hygiene, gloves, and eye protection are recommended when handling.
What is Dimethyl Sulfoxide used for?
DMSO is used as a powerful solvent in chemical synthesis, pharmaceuticals, polymers, and electronics. It also serves as a cryoprotectant in cell preservation and is studied for its biological properties in drug delivery and medical research.
How should DMSO be stored?
Store DMSO in tightly sealed containers in a cool, dry, and well-ventilated place. Protect from moisture and light. Compatible containers include glass and certain plastics (consult supplier guidelines). Avoid contact with reactive chemicals such as strong oxidizers.
What is the shelf life of DMSO?
Under recommended storage conditions, DMSO is chemically stable for extended periods. The specific shelf life may vary depending on purity and packaging, so always refer to the supplier’s Certificate of Analysis (COA) for guidance.
Where can I find the Safety Data Sheet (SDS) for DMSO?
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Hazards Classification
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Confirm the current commercial product record.
Include the required grade or purity, quantity, preferred packing, destination country/port and required document set.
- 01Current specification
- 02Batch or sample COA
- 03Product- and supplier-specific SDS
- 04Packing and shipping review
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