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CAS RN: 54761-04-5 | Product Number: T1610

Ytterbium(III) Trifluoromethanesulfonate


Purity: >98.0%(T)
Synonyms:
  • Trifluoromethanesulfonic Acid Ytterbium(III) Salt
  • Ytterbium(III) Triflate
Product Documents:
5G
72,00 €
6   ≥80 
25G
231,00 €
3   38  

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Supplemental Product Information:

Previously this product had been labeled as a hydrate form both in product name and molecular formula. The hydrate form had no exclusive CAS RN and used to share the same CAS RN as the anhydrous form.
To avoid any misleading information and since moisture in product is considered as an impurity, we have decided to remove the term 'Hydrate' from product name and 'xH2O' from the molecular formula for such products.
Please use it at ease since there is no difference in product quality, even if you see the previous indications on a part of label.

Product Number T1610
Purity / Analysis Method >98.0%(T)
Molecular Formula / Molecular Weight C__3F__9O__9S__3Yb = 620.24 
Physical State (20 deg.C) Solid
Storage Temperature Room Temperature (Recommended in a cool and dark place, <15°C)
Store Under Inert Gas Store under inert gas
Condition to Avoid Hygroscopic
CAS RN 54761-04-5
Related CAS RN 252976-51-5
Reaxys Registry Number 8938748
PubChem Substance ID 87577366
Merck Index (14) 10106
MDL Number

MFCD03703499

Specifications
Appearance White to Almost white powder to crystal
Purity(Chelometric Titration) min. 98.0 %(calcd.on anh.substance)
Water max. 10.0 %
Properties (reference)
GHS
Pictogram Pictogram
Signal Word Danger
Hazard Statements H314 : Causes severe skin burns and eye damage.
Precautionary Statements P260 : Do not breathe dust.
P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing 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:
Transport Information:
UN Number UN1759
Class 8
Packing Group III
HS Number 2846907040
Application
Enantioselective Mannich Reaction of Malonates with N-tert-Butoxycarbonyl Imines

T1610, B2217

Typical Procedure:
A well-dried glass tube is charged with Yb(OTf)3 (30 mg, 0.048 mmol) and the ligand (44 mg, 0.096 mmol) under argon atmosphere. After dichloromethane (1.0 mL) is added to the mixture, it is stirred vigorously at room temperature for 1 h until the reaction become homogeneous. The imine (1 mmol) and dibenzylmalonate (neat, 0.312 g, 1.1 mmol) dissolved in dichloromethane are added to the solution of the complex under an argon atmosphere. After that methanol (1 mmol) is injected in one portion to the reaction mixture. After 12 h, the reaction mixture is purified by flash chromatography through a short column of silica gel using an eluting mixture of hexane / ethyl acetate solvent to obtain the corresponding products.

References


Application
Stable Lewis Acid Catalyst in Aqueous Media

References


PubMed Literature


Product Documents (Note: Some products will not have analytical charts available.)
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