2-Mercaptoethanesulfonic acid sodium salt (Mesna)
CAS: 19767-45-4
Molecular Formula: C2H5NaO3S2
Molecular Weight: 164.18
Product Detail
| Product Code | 17418243 | ||||
| Product Name | 2-Mercaptoethanesulfonic acid sodium salt (Mesna) | ||||
| Categories | Analytical Reagents Building Blocks | ||||
| CAS | 19767-45-4 | ||||
| Molecular Formula | C2H5NaO3S2 | ||||
| Molecular Weight | 164.18 | ||||
| Storage Details | Ambient | ||||
| Harmonised Tariff Code | 29309098 |
Product Specification
| Impurity A | <0.3% | ||||
| Impurity B | <0.3% | ||||
| Heavy metals | <10ppm | ||||
| pH | 4.5 – 6 | ||||
| Impurity C | <0.2% | ||||
| Impurity D | <3.0% | ||||
| Loss on Drying | <1.0% | ||||
| 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% | ||||
| Cl | <250ppm | ||||
| Appearance | White or slightly yellow crystalline powder | ||||
| Sulfates | <300ppm | ||||
| Impurity E | <0.3% | ||||
| Sum of any other substances | <0.3% |
Safety Information
| Pictograms |
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| Signal word | Warning | ||||
| Hazard statements | H315: Causes skin irritation
H319: Causes serious eye irritation H335: May cause respiratory irritation |
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| Precautionary statements | P261: Avoid breathing dust/fume/gas/mist/vapours/spray
P280: Wear protective gloves/protective clothing/eye protection/face protection P305+351+338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do, continue rinsing P308+313: IF exposed or concerned: Get medical advice/attention |