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CAS RN: 429-41-4 | Product Number: T1338

Tetrabutylammonium Fluoride (ca. 1mol/L in Tetrahydrofuran)


Purity:
Synonyms:
  • TBAF (ca. 1mol/L in Tetrahydrofuran)
Documents:
25ML
€ 25,00
8   ≥20 
100ML
€ 61,00
≥20  ≥20 
500ML
€ 175,00
3   ≥20 

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Product Number T1338
Molecular Formula / Molecular Weight C__1__6H__3__6FN = 261.47  
Physical State (20 deg.C) Liquid
Storage Temperature 0-10°C
Store Under Inert Gas Store under inert gas
Condition to Avoid Air Sensitive
CAS RN 429-41-4
Reaxys Registry Number 3570522
PubChem Substance ID 87577107
Merck Index (14) 9187
MDL Number

MFCD00011747

Specifications
Appearance Colorless to Red to Green clear liquid
Concentration(Nonaqueous Titration) 1.0 to 1.1 mol/L
Water max. 10.0 %
TBHF-HF(neutralization titration) max. 5.0 %
Bromide max. 1.0 %
Properties (reference)
Flash point -17 °C
Specific Gravity (20/20) 0.92
Solubility in water Completely miscible
GHS
Pictogram Pictogram Pictogram Pictogram Pictogram
Signal Word Danger
Hazard Statements H302 : Harmful if swallowed.
H314 : Causes severe skin burns and eye damage.
H371 : May cause damage to organs.
H372 : Causes damage to organs through prolonged or repeated exposure.
H351 : Suspected of causing cancer.
H335 : May cause respiratory irritation.
H225 : Highly flammable liquid and vapour.
Precautionary Statements P260 : Do not breathe dust/ fume/ gas/ mist/ vapours/ spray.
P210 : Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection.
P370 + P378 : In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish.
P303 + P361 + P353 : IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water.
P304 + P340 + P310 : IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/doctor.
P305 + P351 + P338 + P310 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER/doctor.
Related Laws:
EC Number 207-057-2
Transport Information:
UN Number UN2924
Class 3 / 8
Packing Group II
HS Number 2923900090
Application
Generation of Benzyne and Reaction with Furan

T1338

Reference


Application
Synthesis of β,β-Difluorohomoallylic Alcohols

Typical Procedure:
Under an argon atmosphere, TBAF (1.0 M in THF, 1.5 mL, 1.5 mmol) is added into a suspension of flame-dried MS4Å (1.0 g) in THF (4.0 mL) and the mixture is stirred at room temperature for 2.0 h. Then the mixture is cooled at -20 °C and a solution of ethyl 4,4-difluoro-3-(triethylsilyl)but-3-enoate (265 mg, 1.0 mmol) and benzaldehyde (204 µL, 2.0 mmol) is added to the mixture over 1.0 h at -20 °C. After stirring the mixture for
1 h at the same temperature, the whole is poured into aqueous 10% HCl, extracted with Et2O and the organic layer is dried with anhydrous MgSO4. After evaporation of the solvent, the residue is purified by column chromatography (SiO2, EtOAc : hexane) to give the desired product.

References


PubMed Literature


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