Potassium tert-Butoxide, CAS 865-47-4
Potassium tert-Butoxide, CAS 865-47-4, is a potassium alkoxide and strong, non-nucleophilic base. It is also known as Potassium t-Butoxide, Potassium tert-Butylate and Potassium tert-Butanolate. Its molecular formula is C4H9KO and its molecular weight is 112.21.
Potassium tert-Butoxide is widely used as a strong base and chemical reagent in organic synthesis. It is commonly applied in deprotonation, condensation, elimination, rearrangement, cyclization and other base-catalyzed chemical reactions.
The product is used in the manufacture of pharmaceutical intermediates, agrochemical intermediates, fine chemicals and other specialty chemical products. Commercial Potassium tert-Butoxide is available as a solid powder or as a solution in suitable organic solvents such as THF.
Hosea Chem supplies Potassium tert-Butoxide, CAS 865-47-4, with reliable quality, competitive pricing and stable bulk supply from China. TDS, MSDS are available upon request.
Product Chemical Properties
Product Name: Potassium tert-Butoxide
CAS No.: 865-47-4
EC No.: 212-740-3
Molecular Formula: C4H9KO
Molecular Weight: 112.21
Chemical Name: Potassium 2-Methylpropan-2-olate
Chemical Type: Alkali Metal Alkoxide / Strong Base / Chemical Reagent
Synonyms: Potassium t-Butoxide, Potassium tert-Butylate, Potassium tert-Butanolate, Potassium 2-Methylpropan-2-olate, tert-Butoxypotassium, KOtBu, t-BuOK

Product Technical Specification
Appearance: white or off-white particles
Content: ≥ 99%
Free alkali: ≤ 1%

Applications of Potassium tert-Butoxide
1. Used in organic synthesis for pesticides, pharmaceuticals, printing and dyeing, catalysts, liquid crystal materials, etc.
2. Used as a strong base in organic synthesis—such as in condensation, rearrangement, and ring-opening reactions—across the chemical, pharmaceutical, and pesticide industries.
Packaging
25kg/drum, 50kg/drum or according to customer requirements.
Production Capacity
12000MT/year
Storage Requirements
Store in a tightly sealed container in a cool, dry, and well-ventilated warehouse. Keep away from sources of ignition and heat. Store and transport separately from oxidizing agents and acids.
Potassium tert-Butoxide Bulk Supply from China
Hosea Chem® offers Potassium tert-Butoxide, CAS 865-47-4, also known as Potassium t-Butoxide, Potassium tert-Butylate and KOtBu, in bulk quantities with competitive factory-direct pricing and reliable export service.
We support international shipments in suitable moisture-proof packaging according to product grade and customer requirements. TDS, MSDS and COA are available upon request.
Contact Hosea Chem for the latest Potassium tert-Butoxide price, bulk quotation, availability and technical documents.