2-Propynyl methanesulfonate
ALDRICH/809993 - battery grade, ≥99.5%, acid <200 ppm, H2O <100 ppm
Synonym: 2-Propinyl methanesulfonate; Methanesulfonic acid
CAS Number: 16156-58-4
Empirical Formula (Hill Notation): C4H6O3S
Molecular Weight: 134.15
MDL Number: MFCD09841205
Linear Formula: C4H6O3S
Product Type: Chemical
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 809993-500G.
| application(s) | battery manufacturing |
| assay | ≥99.5% |
| bp | 167 °C (lit.) |
| density | 1.481 g/cm3 |
| description | Acid content: <200 ppm |
| Moisture: <100 ppm | |
| form | liquid |
| grade | battery grade |
| impurities | ≤100 ppm H2O |
| ≤200 ppm acid | |
| InChI | 1S/C4H6O3S/c1-3-4-7-8(2,5 |
| InChI key | OWAHJGWVERXJMI-UHFFFAOYSA |
| mp | 17-19 °C (lit.) |
| Quality Level | 100  |
| SMILES string | CS(OCC#C)(=O)=O |
| Application: | The presence of electrolyte additives enhances the performance of lithium ion batteries by improving their thermal stability and ionic conductivity. Additives also reduce the flammability of electrolytes and provide overcharge protection. 2-Propynyl methanesulfonate finds application as additive in lithium ion batteries. |
| Legal Information: | Product of MU Ionic Solutions Corp |
| Packaging: | 25 g in glass bottle |
| Preparation Note: | • These additives have low water content (less than 100 ppm), please handle under inert and moisture free environment (glove box). • Keep containers tightly closed. • Keep away from heat and ignition sources. • Store in a cool and dry place. • Avoid storing together with oxidizers. |
| Symbol |  GHS06 |
| Signal word | Danger |
| Hazard statements | H301 - H315 |
| Precautionary statements | P301 + P310 + P330 - P302 + P352 |
| RIDADR | UN 2810 6.1 / PGIII |
| WGK Germany | WGK 3 |
| Flash Point(F) | > 230.0 °F |
| Flash Point(C) | > 110 °C |
| Purity | ≥99.5% |
| bp | 167 °C (lit.) |
| mp | 17-19 °C (lit.) |
| Density | 1.481 g/cm3 |
| UNSPSC | 26111700 |