2-Mercaptoethanesulfonic acid sodium salt (Mesna)
( 19767-45-4 | CLS-CHU-1120-25g )
Our packs are available in standard sizes, but we can also customize them to meet your specific requirements. Pack sizes are listed alongside the catalog number.
Example: Catalog Number – Pack Size.
| CAS: | 19767-45-4 |
|---|---|
| Molecular Formula: | C2H5NaO3S2 |
| Molecular Weight: | 164.18 |
Product Detail
| Product Name | 2-Mercaptoethanesulfonic acid sodium salt (Mesna) |
| Categories | Analytical Reagents, Building Blocks |
| CAS | 19767-45-4 |
| Molecular Formula | C2H5NaO3S2 |
| Molecular Weight | 164.18 |
| CLS CAT Numbers | CLS-CHU-1120-25g |
| Prepack Size | 25g |
Product Specification
| Impurity A | ≤0.3% |
| Impurity B | ≤0.3% |
| Identification | Conforms to reference |
| pH | 4.5 – 6 |
| Impurity C | ≤0.2% |
| Impurity D | ≤3.0% |
| Loss on Drying | ≤1.0% |
| Chloride (Cl) | ≤250ppm |
| Solubility | Freely soluble in water, slightly soluble in ethanol, practically insoluble in cyclhexane |
| Assay | 96% – 102% |
| Ethanol | ≤5000ppm |
| Isopropanol | ≤5000ppm |
| Any Other Impurities | ≤0.1% |
| Appearance | White or slightly yellow crystalline powder |
| Sulphate (SO4) | ≤300ppm |
| Impurity E | ≤0.3% |
| Sum of any other substances | ≤0.3% |
