8.04918

Potassium tert-butylate

for synthesis

• 동의어(들): Potassium tert-butylate
• Linear Formula: (CH₃)₃COK
• CAS Number: 865-47-4
• Molecular Weight: 112.21
• MDL number: MFCD00012162
• UNSPSC 코드: 12352107
• EC 인덱스 번호: 212-740-3

속성

• vapor pressure: 0.02 hPa ( 20 °C)
• Quality Level: 200
• 분석: ≥98.0% (acidimetric)
• 형태: powder
• autoignition temp.: 483 °C
• pH: 13 (20 °C, 5 g/L in H₂O, Hydrolysis)
• mp: 256-258 °C
• density: 1.19 g/cm³ at 20 °C
• 벌크 밀도: 500 kg/m³
• 저장 온도: 2-30°C
• InChI: 1S/C4H9O.K/c1-4(2,3)5;/h1-3H3;/q-1;+1
• InChI key: LPNYRYFBWFDTMA-UHFFFAOYSA-N

설명

일반 설명

Potassium tert-butylate (Potassium tert-Butoxide) is a strong, non-nucleophilic alkoxide base in organic chemistry. Potassium tert-butoxide catalyzes the reaction of hydro silanes and heterocyclic compounds to generate the silyl derivatives. It is used to catalyze the Michael addition reaction, Ramberg-Baecklund reaction, Pinacol rearrangement.

애플리케이션

Potassium tert-butylate is used to catalyzes the Michael addition reaction.

분석 메모

Assay (acidimetric): ≥ 98,0 %(m)
Free KOH: ≤ 1 %(m)
Identity (IR): conforms

안전성 정보

• 픽토그램: GHS02,GHS05
• 신호어: Danger
• 유해 및 위험 성명서: H228 - H252 - H260 - H314
• 예방조치 성명서: P210 - P231 + P232 - P260 - P280 - P303 + P361 + P353 - P305 + P351 + P338
• Hazard Classifications: Eye Dam. 1 - Flam. Sol. 1 - Self-heat. 2 - Skin Corr. 1A - Water-react 1
• 보충제 위험성: EUH014
• Storage Class Code: 4.2 - Pyrophoric and self-heating hazardous materials
• WGK: WGK 1
• Flash Point (°F): Not applicable
• Flash Point (°C): Not applicable