8.01663

Boron trifluoride-methanol complex

(20% solution in methanol) for synthesis

• 동의어(들): BF₃ methanol
• UNSPSC 코드: 12352301
• NACRES: NA.22

속성

• vapor pressure: 4 hPa ( 20 °C)
• Quality Level: 200
• 형태: liquid
• autoignition temp.: 420 °C
• expl. lim.: 5.5 % (v/v) Methanol)
• 전이 온도: flash point 16 °C
• density: 0.89 g/cm³ at 20 °C
• 저장 온도: 2-30°C

설명

일반 설명

Boron trifluoride-methanol complex (BF-M) is Lewis acid boron trifluoride incoordination with methanol. BF-M is a powerful acidic catalyst for the esterification of fatty acids. In the deacetylation of acetanilides, the complex displayed excellent deprotection selectivity against amino-protecting groups.

애플리케이션

Boron trifluoride-methanol complex is used:

• As a reagent for deprotection of N-acetyl derivatives (acetylated amines of cyanine-type dyes).
• As a starting material in the automated radiosynthesis procedure for [18F]tetrafluoroborate.

분석 메모

Assay BF3 (acidimetric): 14.0 - 16.0 %
Density (d 20 °C/ 4 °C): 0.880 - 0.895

안전성 정보

• 픽토그램: GHS02,GHS05,GHS06,GHS08
• 신호어: Danger
• 유해 및 위험 성명서: H225 - H301 + H311 + H331 - H314 - H370
• 예방조치 성명서: P210 - P233 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1B - STOT SE 1
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 2
• Flash Point (°F): 60.8 °F
• Flash Point (°C): 16 °C