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CAS RN: 34946-82-2 | Product Number: T1292

Copper(II) Trifluoromethanesulfonate


Purity: >98.0%(T)
Synonyms:
  • Copper(II) Triflate
  • Trifluoromethanesulfonic Acid Copper(II) Salt
Documents:
5G
€26.00
3   ≥20 
25G
€86.00
4   ≥20 

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Product Number T1292
Purity / Analysis Method >98.0%(T)
Molecular Formula / Molecular Weight C__2CuF__6O__6S__2 = 361.67  
Physical State (20 deg.C) Solid
Store Under Inert Gas Store under inert gas
Condition to Avoid Hygroscopic
CAS RN 34946-82-2
Reaxys Registry Number 4028198
PubChem Substance ID 87577063
MDL Number

MFCD00077492

Specifications
Appearance White to Gray to Dark blue powder to crystal
Purity(Chelometric Titration) min. 98.0 %
Properties (reference)
Solubility in water Soluble
GHS
Pictogram Pictogram
Signal Word Danger
Hazard Statements H314 : Causes severe skin burns and eye damage.
Precautionary Statements P260 : Do not breathe dust or mist.
P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection.
P303 + P361 + P353 : IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water.
P301 + P330 + P331 : IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
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 252-300-8
Transport Information:
UN Number UN1759
Class 8
Packing Group III
HS Number 2904909590
Application
Copper (II) Triflate Catalyzed Regioselective Markovnikov Hydration of Alkynes

T1292

Typical Procedure (R1 = 4-methoxybenznene, R2 = H): Cu(OTf)2 (72 mg, 20 mol%) and water (36 mg, 2 eq.) are added to a stirred solution of 1-ethynyl-4-methoxybenzene (132.2 mg, 1 mmol) in EtOAc (2 mL). The reaction mixture is stirred at 100 °C for 1 hr. After completion of the reaction, it is cooled to room temperature; water is added and extracted with EtOAc, dried over anhydrous Na2SO4 and concentrated. The residue is purified by column chromatography to give 4'-methoxyacetophenone (135 mg, 90%) as a white solid.

References


Application
Synthesis of Optically Active Oxazoline Derivatives via Asymmetric Desymmetrization of 1,3-Diols

Typical Procedure:
Amino diols (0.5 mmol), K2CO3 (207.3 mg, 1.5 mmol), and p-toluenesulfonyl chloride (190.7 mg, 1.0 mmol) are added to a solution of Cu(OTf)2 (18.1 mg, 0.05 mmol) and (R,R)-2,2'-isopropylidenebis(4-phenyl-2-oxazoline) (16.7 mg, 0.05 mmol) in tert-butyl alcohol (2 mL). After stirring for 12 h at room temperature, water (10 mL) is added. The resulting mixture is extracted with AcOEt. After separation, the organic layer is washed with brine, and then dried over Na2SO4. Concentration and purification through flash column chromatography gives the product.

References


Application
Efficient preparation method for alpha, omega-amino alcohols

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PubMed Literature


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