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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
¥230.00
6   Contact Us ≥20 
100ML
¥545.00
15   Contact Us ≥20 
500ML
¥1,100.00
15   Contact Us ≥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 %
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.
H335 : May cause respiratory irritation.
H225 : Highly flammable liquid and vapor.
Precautionary Statements P501 : Dispose of contents/ container to an approved waste disposal plant.
P260 : Do not breathe dust/ fume/ gas/ mist/ vapors/ spray.
P270 : Do not eat, drink or smoke when using this product.
P240 : Ground/bond container and receiving equipment.
P210 : Keep away from heat/sparks/open flames/hot surfaces. No smoking.
P233 : Keep container tightly closed.
P243 : Take precautionary measures against static discharge.
P241 : Use explosion-proof electrical/ ventilating/ lighting/ equipment.
P242 : Use only non-sparking tools.
P271 : Use only outdoors or in a well-ventilated area.
P264 : Wash skin thoroughly after handling.
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.
P308 + P311 : IF exposed or concerned: Call a POISON CENTER/doctor.
P303 + P361 + P353 : IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower.
P301 + P330 + P331 : IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P363 : Wash contaminated clothing before reuse.
P301 + P312 + P330 : IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell. Rinse mouth.
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.
P403 + P233 : Store in a well-ventilated place. Keep container tightly closed.
P403 + P235 : Store in a well-ventilated place. Keep cool.
P405 : Store locked up.
Related Laws: / Compliance with laws, Regulations
Transport Information:
UN Number UN2924
Class 3 / 8
Packing Group II
Customs Control Conditions (Q)
Application
Generation of Benzyne and Reaction with Furan

References

A New and Efficient Hypervalent Iodine-Benzyne Precursor, (Phenyl)[o-(trimethylsilyl)phenyl]iodonium Triflate: Generation, Trapping Reaction, and Nature of Benzyne

T. Kitamura, M. Yamane, K. Inoue, M. Todaka, N. Fukatsu, Z. Meng, Y. Fujiwara, J. Am. Chem. Soc. 1999, 121, 11674.


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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