Published TCIMAIL newest issue No.196
Maximum quantity allowed is 999
CAS RN: 54761-04-5 | Product Number: T1610
Ytterbium(III) Trifluoromethanesulfonate
Purity: >98.0%(T)
- Trifluoromethanesulfonic Acid Ytterbium(III) Salt
- Ytterbium(III) Triflate
Size | Unit Price | Belgium | Japan* | Quantity |
---|---|---|---|---|
5G |
72,00 €
|
6 | ≥80 |
|
25G |
231,00 €
|
3 | 38 |
|
*Stock available in Belgium will be delivered in 1 to 3 days
*Stock available in Japan will be delivered in 1 to 2 weeks (excludes regulated items and dry ice shipments).
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 |
Appearance | White to Almost white powder to crystal |
Purity(Chelometric Titration) | min. 98.0 %(calcd.on anh.substance) |
Water | max. 10.0 % |
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. |
UN Number | UN1759 |
Class | 8 |
Packing Group | III |
HS Number | 2846907040 |
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
References
- S. Kobayashi, Chem. Lett. 1991, 20, 2187.
- S. Kobayashi, I. Hachiya, Tetrahedron Lett. 1992, 33, 1625 (for aldol reaction).
- S. Kobayashi, I. Hachiya, T. Takahori, M. Araki, H. Ishitani, Tetrahedron Lett. 1992, 33, 6815 (for Michael and Diels-Alder reaction).
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