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Hafnium trifluoromethanesulfonate

Catalog No. L19688 Name Alfa Aesar
CAS Number 161337-67-3 Website
M. F. C4F12HfO12S4 Telephone
M. W. 774.7664384 Fax
Purity 98% Email
Storage Chembase ID: 295026

SYNONYMS

Title
三氟甲磺酸铪
IUPAC name
hafnium(4+) ion tetratrifluoromethanesulfonate
IUPAC Traditional name
hafnium(4+) ion tetratriflate
Synonyms
Trifluoromethanesulfonic acid hafnium salt
Hafnium triflate

DATABASE IDS

MDL Number MFCD01321255
CAS Number 161337-67-3

PROPERTIES

Purity 98%
Melting Point >350°C
GHS Pictograms GHS07
GHS Hazard statements H315-H319-H335
European Hazard Symbols Irritant Irritant (Xi)
GHS Precautionary statements P261-P305+P351+P338-P302+P352-P321-P405-P501A
Risk Statements 36/37/38
Safety Statements 26-37
Storage Warning Hygroscopic
TSCA Listed

DETAILS

REFERENCES

  • Lewis acid catalyst introduced by Kobayashi, effective at low concentrations under mild conditions in Friedel-Crafts acylation and alkylation reactions: Bull. Chem. Soc. Jpn.,68, 2053 (1995). Efficient catalyst for the Fries rearrangement of phenolic esters to acylphenols: Tetrahedron Lett., 37, 2053 (1996); Bull. Chem. Soc. Jpn., 70, 267 (1997). Superior to lanthanide triflates as catalyst for atom-economic aromatic nitration with a stoichiometric amount of nitric acid in DCM, avoiding the use of sulfuric acid: Tetrahedron Lett., 39, 1641 (1198); Synlett, 57 (2000). Efficient catalyst for allylations of imines with Allyltri-n-butyltin, L14087, and of Mannich-type reactions of imines with silyl enol ethers: Synlett, 1099 (1997). For use in combination with a catalytic amount of triflic acid for the Friedel-Crafts acylation of aromatics, see: Tetrahedron Lett., 39, 4697 (1998). For use in the catalytic decarboxylative ?-selective glycosylation via a mixed glycosyl carbonate, see: Synlett, 959 (2004). Catalyzes the conjugate addition of indoles to ɑ?-enones: Synlett, 2492 (2005).