903965

Trimethylboroxine

50% THF solution

• 동의어(들): 2,4,6-Trimethyl-1,3,5,2,4,6-trioxatriborinane, 2,4,6-Trimethylboroxine, Methaneboronic anhydride, Trimethyl-1,3,5,2,4,6-trioxatriborinane
• 실험식(Hill 표기법): C₃H₉B₃O₃
• CAS Number: 823-96-1
• Molecular Weight: 125.53
• MDL number: MFCD00013354
• UNSPSC 코드: 12352103
• NACRES: NA.22

속성

• 양식: liquid
• refractive index: n/D 1.3880
• density: 0.89962 g/mL
• SMILES string: B1(OB(OB(O1)C)C)C
• InChI: 1S/C3H9B3O3/c1-4-7-5(2)9-6(3)8-4/h1-3H3
• InChI key: GBBSAMQTQCPOBF-UHFFFAOYSA-N

설명

애플리케이션

Trimethylboroxine (TMB) is a cyclic anhydride of methyl-boronic acid. It can be used as a:

• Methylating agent for the methylation of various aromatic halides and C(sp³)−H bonds using palladium catalyst.
• Reagent in the preparation of polymer supported CBS (Corey, Bakshi, and Shibata) catalysts.

기타 정보

Organoboranes. 39. Convenient procedures for the preparation of methylboronic acid and trimethylboroxin

안전성 정보

• 픽토그램: GHS02,GHS08,GHS05,GHS07
• 신호어: Danger
• 유해 및 위험 성명서: H225,H314,H335,H351
• 예방조치 성명서: P201 - P210 - P233 - P261 - P280 - P370 + P378
• Hazard Classifications: Carc. 2 - Flam. Liq. 2 - Skin Corr. 1B - STOT SE 3
• 표적 기관: Respiratory system
• 보충제 위험성: EUH019
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 3
• Flash Point (°F): -5.8 °F
• Flash Point (°C): -21 °C