Potassium tert-butoxide
- Createtime： 2026-04-14
- Updatetime： 2026-07-24
Product Details
| useage |
Industrial use
|
| deliveryInfo |
|
| appearance |
powder
|
| Molecular Weight |
112.21
|
| aliasen |
|
| supplyCapacity |
50000MT/Month
|
| harbor |
Qingdao,China
|
| minorder |
1KG
|
| Appearance |
White to off-white crystalline powder
|
Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise focused on industry of fine chemicals research and develop, produce and sale. Shandong Huashang Chemical Co., Ltd. is located in Shan Dong Ji Nan China. we have the ability to provide you high quality products. More than 90 % of our products are exported to developed countries and regions such as north America, Europe, Japan, South Korea and the Middle East.
Basic Information
Product Name: Potassium tert-butoxide
CAS Number: 865-47-4
Alias: Potassium 2-methylpropan-2-olate, t-BuOK
Molecular Formula: C4H9KO
Molecular Weight: 112.21
IUPAC Name: potassium 2-methylpropan-2-olate
Structural Information
- Structure Type: Strong organic alkali, metal alkoxide
- Structural Features: Tertiary butyl group combined with potassium alkoxide structure, strong alkalinity and nucleophilicity.
Physical & Chemical Properties
- Appearance: White to off-white crystalline powder
- Odor: Characteristic terpene odor
- Melting Point: 256-258 °C (decomposition)
- Density: 0.929 g/cm3
- Solubility: Soluble in THF, toluene, alcohols; reacts violently with water
- Stability: Unstable in air, easy to absorb moisture and carbon dioxide; sensitive to heat, moisture and oxidants.
Synthesis & Applications
Production Method
Reaction of tert-butanol with metallic potassium or potassium hydroxide under anhydrous conditions.
Main Applications
- Organic Synthesis: Strong base and catalyst for condensation, elimination and rearrangement reactions.
- Pharmaceutical Intermediate: Widely used in synthesis of APIs and fine chemicals.
- Chemical Reagent: Catalyst for esterification and polymerization reactions.
Safety & Storage Instructions
- Hazard Classification: Highly corrosive, flammable solid; reacts violently with water, causes severe burns.
- Personal Protection: Wear full-face goggles, respirator and alkali-resistant protective gloves/clothing.
- Storage Condition: Sealed, dry, inert gas protection; strictly moisture-proof, stored separately from water, acids and oxidants.
- Transportation: Hazardous goods; follow corrosive solid transportation regulations.
Quality Specifications
- Purity: ≥98.0%
- Free tert-Butanol: ≤2.0%
- Moisture: ≤0.5%
Information Summary Table
| Item | Specification |
| CAS Number | 865-47-4 |
| Product Name | Potassium tert-butoxide |
| Synonym | t-BuOK |
| Molecular Formula | C4H9KO |
| Molecular Weight | 112.21 |
| Appearance | White crystalline powder |
| Melting Point | 256-258 °C (decompose) |
| Solubility | Soluble in organic solvents, reacts with water |
| Purity | ≥98.0% |
| Storage Condition | Sealed dry place, strictly moisture-proof |
| Hazard Property | Corrosive, reacts violently with water |
| Main Usage | Strong base catalyst, organic synthesis reagent |
