| Identification | |
| Name: | Methanesulfonic acid |
| Synonyms: | MSA; Methanesulfonicacidaqsoln; Methanesulphonic acid; Methylsulfonic Acid; Mesic acid |
| CAS: | 75-75-2 |
| EINECS: | 200-898-6 |
| Molecular Formula: | CH4O3S |
| Molecular Weight: | 96.1 |
| InChI: | InChI=1/CH4O3S/c1-5(2,3)4/h1H3,(H,2,3,4) |
| Molecular Structure: |  |
| Properties | |
| Transport: | UN 2585/2586/3265 |
| Density: | 1.481 |
| Stability: | Stable. Moisture sensitive. Incompatible with amines, bases, water, common metals. Releases a substantial amount of heat when diluted with water (add acid to water with care if diluting). |
| Refractive index: | 1.413-1.415 |
| Water Solubility: | Soluble in water. Slightly in toluene. Insoluble in paraffins. |
| Solubility: | Soluble in water. Slightly in toluene. Insoluble in paraffins. |
| Appearance: | Colorless to pale yellow liquid |
| Specification: | colourless or light yellow liquid Safety Statements:26-36-45-1/2-36/37/39 26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 36:Wear suitable protective clothing 45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) 1/2:Keep locked up and out of the reach of children 36/37/39:Wear suitable protective clothing, gloves and eye/face protection |
| Packinggroup: | III |
| HS Code: | 29041000 |
| Storage Temperature: | Store in a tightly closed container. Keep under an argon blanket. Store in a cool, dry, well-ventilated area away from incompatible substances. Corrosives area. |
| Sensitive: | Light Sensitive & Hygroscopic |
| Color: | brown |
| Usage: | Catalyst in esterification, alkylation, olefin polymerization, peroxidation reactions, chemical intermediate to form secondary methane sulfonates from olefins, chemical intermediate for trifluoromethane sulfonic acid, methane sulfonyl chloride, as solvent. |
| Safety Data | |
| Hazard Symbols |
C:Corrosive
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