Sodium tert-Butoxide, CAS 865-48-5
Sodium tert-Butoxide, CAS 865-48-5, is an alkali metal alkoxide and strong, sterically hindered base. It is also known as Sodium t-Butoxide, Sodium tert-Butylate and Sodium tert-Butanolate.
Sodium tert-Butoxide is widely used as a strong base and chemical reagent in organic synthesis. It is commonly used in deprotonation, condensation, elimination, cyclization and other base-promoted chemical reactions.
The product is widely used in the manufacture of pharmaceutical intermediates, agrochemical intermediates, fine chemicals and other specialty chemical products.
Product Chemical Properties
Product Name: Sodium tert-Butoxide
CAS No.: 865-48-5
EC No.: 212-741-9
Molecular Formula: C4H9NaO
Molecular Weight: 96.10
Chemical Name: Sodium 2-Methylpropan-2-olate
Chemical Type: Alkali Metal Alkoxide / Strong Base / Chemical Reagent
Synonyms: Sodium t-Butoxide, Sodium tert-Butylate, Sodium tert-Butanolate, Sodium 2-Methylpropan-2-olate, tert-Butoxysodium, NaOtBu, t-BuONa, STB
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Product Technical Specification
Appearance White or off-white particles
Content ≥ 99%
Free alkali ≤ 1%

Applications of Sodium tert-Butoxide
1. Used as an intermediate in organic synthesis and pharmaceutical manufacturing.
2. As a strong base, it is widely used in organic synthesis—including in the chemical, pharmaceutical, and pesticide industries—for reactions such as condensation, rearrangement, and ring-opening.
Packaging
25kg/drum, bag
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.
Sodium tert-Butoxide Bulk Supply from China
Hosea Chem® offers Sodium tert-Butoxide, CAS 865-48-5, also known as Sodium t-Butoxide, Sodium tert-Butylate and NaOtBu, 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.
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