Potassium Tert-butoxide CAS 865-47-4

1. Potassium tert-butoxide is widely employed as a strong, non-nucleophilic base in organic synthesis, facilitating deprotonation and enabling the formation of carbon-carbon bonds . It has pronounced applications in transition metal-free coupling reactions, such as forming C-C, C-N, C-O, and C-S bonds, offering an environmentally benign and cost-effective alternative .
2. Potassium tert-butoxide CAS 865-47-4 serves as a crucial intermediate and catalyst in pharmaceutical development for synthesizing active pharmaceutical ingredients (APIs) , in polymer chemistry for producing polyolefins , and in Grignard reactions for forming organometallic compounds .
3. Applications of Potassium tert-butoxide also include its use in material science for developing advanced materials like coatings and adhesives , and in environmental applications for synthesizing biodegradable polymers .

1. Store Potassium tert-butoxide in a tightly sealed container under an inert gas (e.g., nitrogen or argon) in a cool, dry, and well-ventilated place . It should be protected from light, moisture, and air, as it is hygroscopic and moisture-sensitive . Recommended storage is at room temperature.
2. Keep Potassium tert-butoxide strictly away from water, strong oxidizing agents, acids, acetone, and acetic acid . It is self-heating (H251) and may catch fire , and contact with metals may evolve flammable hydrogen gas .
3. Always Potassium tert-butoxide CAS 865-47-4 use appropriate personal protective equipment (PPE) including chemical-resistant gloves, tightly fitting safety goggles, face protection, and protective clothing . Handle only with adequate ventilation in a fume hood, minimize dust generation, and avoid breathing dust .

1. Immediately isolate the spill area, eliminate all ignition sources, and ensure adequate ventilation. Use full personal protective equipment including self-contained breathing apparatus (SCBA) . Do NOT let Potassium tert-butoxide enter drains or waterways.
2. Contain Potassium tert-butoxide using dry, inert, non-combustible absorbent material (e.g., dry sand). Carefully sweep up or vacuum the spilled material using spark-proof tools, avoiding dust generation, and place collected material into sealed, labeled corrosion-resistant chemical waste containers for proper disposal according to hazardous material regulations .
3. Personnel Potassium tert-butoxide CAS 865-47-4 must wear suitable PPE during cleanup. Clean up residual material by washing area with a 2-5% solution of soda ash . Potassium tert-butoxide is classified for transport (UN3206, Hazard Class 4.2/8, Packing Group II) .

1. Potassium tert-butoxide is classified with GHS signal word "Danger". It causes severe skin burns and serious eye damage (H314/H318), is a flammable solid (H228), and is self-heating (H251) . It may cause respiratory irritation (H335) and is suspected of causing cancer (H351) according to some sources . NFPA health rating is 3 (serious hazard) .
2. Potassium tert-butoxide reacts violently with water (R14) , releasing flammable gases that may ignite spontaneously. It has a melting point of 256-258°C (dec.) , a flash point of 256°C , and an autoignition temperature of 360°C . Thermal decomposition produces toxic and irritating fumes including carbon monoxide, carbon dioxide, and oxides of potassium .
3. Always Potassium tert-butoxide CAS 865-47-4 consult the specific Safety Data Sheet (SDS) for Potassium tert-butoxide for complete hazard information, first-aid procedures (P301+P330+P331 for ingestion, P303+P361+P353 for skin, P305+P351+P338+P310 for eyes, P304+P340+P310 for inhalation), and handling instructions . Precautionary statements include P210 (keep away from heat/sparks/open flames), P223 (keep away from any possible contact with water), P260 (do not breathe dust), P280 (wear protective gloves/eye protection), and P410 (protect from sunlight) .