292788

Potassium methoxide

95%

• Synonym(s): Potassium methylate
• Linear Formula: CH₃OK
• CAS Number: 865-33-8
• Molecular Weight: 70.13
• Beilstein: 3551544
• EC Number: 212-736-1
• MDL number: MFCD00012416
• UNSPSC Code: 12352107
• PubChem Substance ID: 24857610
• NACRES: NA.22

Properties

• Quality Level: 200
• Assay: 95%
• form: solid
• SMILES string: [K+].C[O-]
• InChI: 1S/CH3O.K/c1-2;/h1H3;/q-1;+1
• InChI key: BDAWXSQJJCIFIK-UHFFFAOYSA-N

Description

General description

Potassium methoxide is a basic nucleophile used in the dehalogenation of arylhalides.

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.

Safety Information

• Pictograms: GHS02,GHS05
• Signal Word: Danger
• Hazard Statements: H251,H314
• Precautionary Statements: P235 - P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Self-heat. 1 - Skin Corr. 1B
• Supplementary Hazards: EUH014
• Storage Class Code: 4.2 - Pyrophoric and self-heating hazardous materials
• WGK: WGK 2
• Flash Point(F): 51.8 °F - closed cup
• Flash Point(C): 11 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves