Methanesulfonyl chloride
SIAL/64270 - purum, ≥98.0% (AT)
Synonym: Methyl sulfonyl chloride; Mesyl chloride
CAS Number: 124-63-0
Empirical Formula (Hill Notation): CH3ClO2S
Molecular Weight: 114.55
EC Number: 204-706-1
MDL Number: MFCD00007454
Linear Formula: CH3SO2Cl
Product Type: Chemical
| assay | ≥98.0% (AT) |
| bp | 60 °C/21 mmHg (lit.) |
| density | 1.48 g/mL at 25 °C (lit.) |
| grade | purum |
| InChI | 1S/CH3ClO2S/c1-5(2,3)4/h1 |
| InChI key | QARBMVPHQWIHKH-UHFFFAOYSA |
| Quality Level | 200  |
| refractive index | n |
| n |
|
| SMILES string | CS(Cl)(=O)=O |
| Application: | Methanesulfonyl chloride can be used for the mesylation of primary alcohols to synthesize the corresponding methanesulfonates. It may also be used for the conversion of amines to the corresponding sulfonamides. |
| Symbol |   GHS05,GHS06 |
| Signal word | Danger |
| Hazard statements | H301 + H311 - H314 - H317 - H330 - H335 |
| Precautionary statements | P280 - P301 + P310 + P330 - P301 + P330 + P331 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 |
| Hazard Codes | T+ |
| Risk Statements | 24/25-26-34-37 |
| Safety Statements | 26-28-36/37/39-45 |
| RIDADR | UN 3246 6.1(8) / PGI |
| WGK Germany | WGK 2 |
| Flash Point(F) | 235.4 °F - closed cup |
| Flash Point(C) | 113 °C - closed cup |
| Purity | ≥98.0% (AT) |
| bp | 60 °C/21 mmHg (lit.) |
| Density | 1.48 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| UNSPSC | 12352101 |