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CAS RN: 250285-32-6 | Product Number: D3611

1,3-Bis(2,6-diisopropylphenyl)imidazolium Chloride

Purity: >98.0%(T)(HPLC)
  • IPr·HCl
10   ≥20 
2   ≥20 
5   1  

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Product Number D3611
Purity / Analysis Method >98.0%(T)(HPLC)
Molecular Formula / Molecular Weight C__2__7H__3__7ClN__2 = 425.06  
Physical State (20 deg.C) Solid
CAS RN 250285-32-6
Reaxys Registry Number 8460977
PubChem Substance ID 87560255
MDL Number


Appearance White to Light yellow to Light orange powder to crystal
Purity(HPLC) min. 98.0 area%
Purity(Nonaqueous Titration) min. 98.0 %
Properties (reference)
Melting Point 278 °C(dec.)
Solubility (soluble in) Methanol
Pictogram Pictogram
Signal Word Warning
Hazard Statements H315 : Causes skin irritation.
H319 : Causes serious eye irritation.
Precautionary Statements P264 : Wash skin thoroughly after handling.
P280 : Wear protective gloves/ eye protection/ face protection.
P302 + P352 : IF ON SKIN: Wash with plenty of water.
P337 + P313 : If eye irritation persists: Get medical advice/ attention.
P362 + P364 : Take off contaminated clothing and wash it before reuse.
P332 + P313 : If skin irritation occurs: Get medical advice/ attention.
Related Laws:
Transport Information:
HS Number 2933299090
Cycloaddition of CO2 to Terminal Epoxides Catalyzed by NHC–ZnBr2 System under Mild Conditions

Typical procedure (R = Ph, entry 3): An oven-dried 50 mL flask containing 1,3-bis(2,6-diisopropylphenyl)imidazolium chloride (149 mg, 0.35 mmol), K2CO3 (48 mg, 0.35 mmol) and ZnBr2 (79 mg, 0.35 mmol) is purged with CO2 under atmospheric pressure three times. Then 1,2-epoxyethylbenzene (2.1 mg, 17.5 mmol) and DMSO (10 mL) are injected into the flask, and CO2 is provided by a balloon. The reaction is stirred at 80 °C for 24 h. After the reaction is cooled down, H2O (200 mL) is added to the reaction mixture. The mixture is extracted with CH2Cl2 (3 x 20 mL). The organic layer is filtered through a silica plug, and concentrated under vacuum to give 4-phenyl-1,3-dioxolan-2-one (2.73 mg, 95 %) as a white solid.


Esterification of α-Halo-α,β-unsaturated Aldehydes by Using a Carbene Catalyst


Suzuki-Miyaura Reaction


PubMed Literature

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