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L19657 Lanthanum trifluoromethanesulfonate, anhydrous, 99%

CAS Number
52093-26-2
Synonyms
Lanthanum triflate
Trifluoromethanesulfonic acid lanthanum salt

Stock No. Size Price ($) Quantity Availability
L19657-06 5g 37.80
L19657-14 25g 109.00
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Lanthanum trifluoromethanesulfonate, anhydrous, 99%

MDL
MFCD00077560

Chemical Properties

Formula
C3F9LaO9S3
Formula Weight
586.10
Storage & Sensitivity
Hygroscopic. Ambient temperatures.
Solubility
Soluble in water.

Applications

Lanthanum trifluoromethanesulfonate is used in the Aldol reaction of silyl enol ethers with aldehydes. It is an effective catalyst for the Baylis-Hillman reaction. It also catalyzes Michael additions to methyl vinyl ketone in water.

Notes

Keep the container tightly sealed. Store in a cool, dry conditions in well sealed containers. Incompatible with bases. It is hygroscopic in nature. Store under dry inert gas.

Literature References

Lin-Ping Zhang.; Miao Du.; Wen-Jie Lu.; Thomas C.W. Mak. Porous coordination networks generated from lanthanum trifluoromethanesulfonate and single/mixed N-oxide spacer linkers. Polyhedron. 2004, 23 (5), 857-863.

Cristina Mas.; Ana Mantecón.; Angels Serra.; Xavier Ramis.; Josep Maria Salla. Influence of lanthanide triflate compounds on formation of networks from DGEBA and γ-butyrolactone. Journal of Polymer Science Part A: Polymer Chemistry. 2004, 42 (15), 3782-3791.

Effective catalyst for the Baylis-Hillman reaction, using 1,4-Diazabicyclo[2.2.2]octane, A14003, increasing the rate up to 40-fold: J. Org. Chem., 63, 7183 (1998). Catalyzes Michael additions to methyl vinyl ketone in water: J. Org. Chem., 71, 352 (2006). The uses of rare-earth metal triflates in organic synthesis have been reviewed by S. Kobayashi: Synlett, 689 (1994); Chem. Rev., 102, 2227 (2002).

GHS Hazard and Precautionary Statements

Hazard Statements: H314-H335

Causes severe skin burns and eye damage. May cause respiratory irritation.

Precautionary Statements: P260-P264b-P271-P280-P301+P330+P331-P303+P361+P353-P304+P340-P305+P351+P338-P310-P363-P501c

Do not breathe dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Use only outdoors or in a well-ventilated area. Wear protective gloves/protective clothing/eye protection/face protection. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. 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 or doctor/physician. Wash contaminated clothing before reuse. Dispose of contents/ container to an approved waste disposal plant

Other References

Beilstein
9009103
Hazard Class
8
Packing Group
II
Harmonized Tariff Code
2846.90
TSCA
No

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