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HomeProduct name listHAFNIUM TRIFLUOROMETHANESULFONATE

HAFNIUM TRIFLUOROMETHANESULFONATE

Synonym(s):Hafnium(IV) triflate;Hf(OTf)4

HAFNIUM TRIFLUOROMETHANESULFONATE Structural

What is HAFNIUM TRIFLUOROMETHANESULFONATE?

The Uses of HAFNIUM TRIFLUOROMETHANESULFONATE

Hafnium trifluoromethanesulfonate is a recyclable catalyst for the mononitration of o-nitrotoluene. It serves as a catalyst for homogeneous methoxycarbonylation and hydrocarboxylation reactions of phenylacetylene. It is also used as a reactant for direct Friedel-Crafts reactions of chromene hemiacetals, aminomethylation reactions under Lewis acidic conditions and prins-type cyclization reactions. It is also involved in the direct polycondensation of lactic acid. Further, it is used in cationic benzylation reactions, chemoselective thioacetalization and transthioacetalization of carbonyl compounds.

The Uses of HAFNIUM TRIFLUOROMETHANESULFONATE

Catalyst for:

  • Homogeneous methoxycarbonylation and hydrocarboxylation reactions of phenylacetylene
  • Direct Friedel-Crafts reactions of chromene hemiacetals
  • Aminomethylation reactions under Lewis acidic conditions
  • Prins-type cyclization reactions
  • Direct polycondensation of lactic acid
  • Cationic benzylation reactions
  • Chemoselective thioacetalization and transthioacetalization of carbonyl compounds

What are the applications of Application

Hafnium(IV) trifluoromethanesulfonate hydrate is a recyclable catalyst o-nitrotoluene

Properties of HAFNIUM TRIFLUOROMETHANESULFONATE

Melting point: >350 °C(lit.)
Flash point: None
solubility  Soluble in methyl cyanide, dicholomethane, dichloroethane, nitromethane, dioxane, terahydrofuran and toluene.
form  powder to crystal
color  White to Light yellow
Sensitive  Hygroscopic
Exposure limits ACGIH: TWA 0.5 mg/m3
NIOSH: IDLH 50 mg/m3; TWA 0.5 mg/m3
CAS DataBase Reference 161337-67-3(CAS DataBase Reference)

Safety information for HAFNIUM TRIFLUOROMETHANESULFONATE

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P271:Use only outdoors or in a well-ventilated area.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352:IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for HAFNIUM TRIFLUOROMETHANESULFONATE

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