Dimethyl Sulfoxide suitable for biochemical, pharmaceutical and laboratory applications. CAS 67-68-5 EC 200-664-3 Grade AR grade

Dimethyl Sulfoxide (DMSO) is an organic compound with the chemical formula C2H6SO. It is commonly used as a solvent and a carrier in biochemistry, pharmaceuticals, and laboratory applications.

General Information

• Product Name: Dimethyl Sulfoxide
• CAS Number: 67-68-5
• MDL Number: MFCD00002089
• EC Number: 200-664-3
• Molecular Formula: C2H6SO
• Molecular Weight: 78.13 g/mol
• Purity: AR grade
• Brand: Nourish
• Packaging: 500ml × 20 bottles per case

Chemical Properties

• Structure: 

CS(=O)C

• Physical State: Colorless transparent liquid
• Solubility: Easily soluble in water and many organic solvents

Quality inspection report

| Product Name       | Specification  | Batch Number | Molecular Formula | Molecular Weight | Batch Quantity | Inspection Unit  | Sample Type | Report Date | Basis of Inspection   |
|--------------------|----------------|--------------|-------------------|------------------|----------------|------------------|-------------|-------------|-----------------------|
| Dimethyl Sulfoxide | Analytical Grade | 2023122201 | C2H6OS            | 78.13            | 4400 kg        | Production Department | Organic     | 2023.12.24  | HG/T 5345-2018 |

| Test Item                      | Standard Requirement | Test Result    |
|--------------------------------|----------------------|----------------|
| Content, %                      | ≥99.5                | 99.9           |
| Appearance                     | Colorless transparent liquid | Colorless transparent liquid |
| Chroma (Hazen units)            | ≤10                  | ＜10            |
| Density (20℃), g/mL            | 1.099-1.102          | 1.100          |
| Refractive Index n20/D         | 1.477-1.480          | 1.479          |
| Crystallization Point, ℃       | ≥18.0                | 18.2           |
| Residue on Evaporation, %      | ≤0.01                | 0.006          |
| Moisture, %                    | ≤0.1                 | 0.01           |
| Acidity (as H+), mmol/g        | ≤0.001               | 0.0001         |

| Analysis Conclusion             |
|---------------------------------|
| Meets the requirements of HG/T 5345-2018 for analytical grade dimethyl sulfoxide. |

Safety Information

Hazard Statements: Dimethyl Sulfoxide may cause severe eye and skin irritation. Prolonged or repeated exposure may cause skin dryness or cracking.

Precautionary Statements

• Personal Protective Equipment: Use safety glasses, chemical-resistant gloves, and protective clothing.
• Ventilation: Ensure adequate ventilation to reduce aerosol or vapor concentrations.
• Handling: Clean affected areas promptly after use.

Applications

Dimethyl Sulfoxide is widely used in:

• Biochemistry: As a solvent and carrier for the dissolution and storage of biomolecules.
• Pharmaceuticals: Used in the preparation of drugs and drug delivery systems.
• Laboratory Applications: Important solvent in analytical chemistry and organic synthesis.

Summary

Dimethyl Sulfoxide is a commonly used organic solvent and carrier, suitable for biochemistry, pharmaceutical, and laboratory applications. Strict adherence to safety procedures is necessary during handling to prevent adverse effects.

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