BORON TRIFLUORIDE-METHANOL COMPLEX (20% (C005B-233372)

General description

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.

Application

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.

Analysis Note

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

vapor pressure: 4 hPa ( 20 °C). Quality Level: 200. form: liquid. autoignition temp.: 420 . °C. expl. lim.: 5.5 . % (v/v) Methanol). transition temp: flash point 16 . °C. density: 0.89 . g/cm³ . at 20 . °C. storage temp.: 2-30°C. Pictograms: GHS02,GHS05,GHS06,GHS08. Signal Word: Danger. Hazard Statements: H225 - H301 + H311 + H331 - H314 - H370. Precautionary Statements: 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.

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