2-Mercaptoethanesulfonic acid sodium salt (Mesna) [19767-45-4]
Order number: 17418243
Part number: AC100070324
![17418243 2-Mercaptoethanesulfonic acid sodium salt (Mesna) [19767-45-4]](https://media.alliedchemi.com/full/17418243)
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2-Mercaptoethanesulfonic Acid Sodium Salt (Mesna) [19767-45-4] is a technically defined substance with the molecular formula C2H5NaO3S2 and a molecular weight of 164.18. This white or slightly yellow crystalline powder has a Melting Point of ≤0.3%. Product-specific specifications available for this SKU include a pH range of 4.5 - 6, an assay of 96% - 102%, an ethanol content of ≤5000ppm, and a loss on drying of ≤1.0%. It is freely soluble in water, slightly soluble in ethanol, and practically insoluble in cyclohexane. This Mesna variant is specifically graded at 96% - 102% purity and is supplied in packaging suitable for laboratory use.
- CAS Number: 19767-45-4
- Molecular Weight: 164.18
- Melting Point: ≤0.3%
- Molecular Formula: C2H5NaO3S2
- GHS Signal Word: Danger
- Exact Mass: 141.97583640
- Hazard Statements:
- H314: Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
| Name | Value | |
|---|---|---|
| pH | : | 4.5 - 6 |
| CAS | : | 19767-45-4 |
| Assay | : | 96% - 102% |
| Ethanol | : | ≤5000ppm |
| Appearance | : | White or slightly yellow crystalline powder |
| Categories | : | Analytical Reagents Building Blocks |
| Impurity A | : | ≤0.3% |
| Impurity B | : | ≤0.3% |
| Impurity C | : | ≤0.2% |
| Impurity D | : | ≤3.0% |
| Impurity E | : | ≤0.3% |
| Solubility | : | Freely soluble in water, slightly soluble in ethanol, practically insoluble in cyclhexane |
| Isopropanol | : | ≤5000ppm |
| Product Code | : | 17418243 |
| Product Name | : | 2-Mercaptoethanesulfonic acid sodium salt (Mesna) |
| Chloride (Cl) | : | ≤250ppm |
| Identification | : | Conforms to reference |
| Loss on Drying | : | ≤1.0% |
| Sulphate (SO4) | : | ≤300ppm |
| Storage Details | : | Ambient |
| Molecular Weight | : | 164.18 |
| Molecular Formula | : | C2H5NaO3S2 |
| Any Other Impurities | : | ≤0.1% |
| Harmonised Tariff Code | : | 29309098 |
| Sum of any other substances | : | ≤0.3% |
