Potassium methoxide
ALDRICH/292788 - 95%
Synonym: Potassium methylate
CAS Number: 865-33-8
Empirical Formula (Hill Notation): CH3KO
Molecular Weight: 70.13
EC Number: 212-736-1
MDL Number: MFCD00012416
Linear Formula: CH3OK
Product Type: Chemical
| assay | 95% |
| form | solid |
| InChI | 1S/CH3O.K/c1-2;/h1H3;/q-1 |
| InChI key | BDAWXSQJJCIFIK-UHFFFAOYSA |
| Quality Level | 200 ![]() |
| SMILES string | [K+].C[O-] |
| Application: | Potassium methoxide can be used: • As a methoxylating agent for methoxylation of bromo- and mesyloxyalkanes in the presence of an ionic liquid [bmim][BF4]. • As a catalyst for the synthesis of dimethyl carbonate and methyl formate. • As a catalyst for the transesterification of sunflower oil for the production of biodiesel. |
| General description: | Potassium methoxide is a basic nucleophile used in the dehalogenation of arylhalides. |
| Packaging: | 250 g in steel can |
| Packaging: | 5 g in glass bottle |
| Symbol | ![]() GHS02,GHS05 |
| Signal word | Danger |
| Hazard statements | H251 - H314 |
| Precautionary statements | P235 - P260 - P280 - P303 + P361 + P353 - P305 + P351 + P338 |
| Hazard Codes | F,C |
| Risk Statements | 11-14-34 |
| Safety Statements | 8-16-26-43-45 |
| RIDADR | UN 3206 8(4.2) / PGII |
| WGK Germany | WGK 2 |
| Flash Point(F) | 51.8 °F - closed cup |
| Flash Point(C) | 11 °C - closed cup |
| Supplemental Hazard Statements | EUH014 |
| Purity | 95% |
| UNSPSC | 12352107 |



