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(CAS RN:675877-56-2 Product Number:D5401)


Synonym 1,3-Bis(2,4,6-trimethylphenyl)imidazolium-2-carboxylate
Synonym IMes·CO2

General Information

Product Number D5401

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Purity/Analysis Method >98.0%(HPLC)(T)
Storage Temperature
M.F. / M.W. C22H24N2O2=348.45
CAS RN 675877-56-2
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MDL Number
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Purity(HPLC) min. 98.0 area%
Purity(Nonaqueous Titration) min. 98.0 %

Data of Reference

mp 241°C(dec.)(lit.)


Reaxys-RN 9652601
PubChem SID 354335707


Signal Word Warning
Hazard Statements
  • H315
  • :Causes skin irritation.
  • H319
  • :Causes serious eye irritation.
Precautionary Statements
  • P264
  • :Wash hands and face thoroughly after handling.
  • P280
  • :Wear protective gloves, eye protection.
  • P302+P352+P332+P313+P362+P364
  • :IF ON SKIN: Wash with plenty of water. If skin irritation occurs: Get medical advice or attention. Take off contaminated clothing and wash it before reuse.
  • P305+P351+P338+P337+P313
  • :IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists: Get medical advice or attention.

Transport Information

HS Number 2933299090


Gold Surface Modification with N-Heterocyclic Carbene



NHC-CO2 Adducts: Transition Metal / NHC Complex Catalyst Preparation

A mixture of [Rh(cod)Cl]2 (54 mg) and NHC-CO2 adduct (2 eq.) is stirred in acetonitrile (3 ml) for 5 min at room temperature in a Schlenk flask, followed by heating at 75 °C for 20 min under an atmosphere of argon. The reaction mixture is dried in vacuo, and washed three times with diethyl ether. The yellow solid obtained is analytically pure (93%).


Conjugate Cyanation using NHC-CO2 Adducts as a Precursor to NHC Catalysts



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