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141556-42-5

141556-42-5 structure
141556-42-5 structure

Name 1,3-Dimesitylimidazol-2-ylidene
Synonyms 1,3-DiMesityliMidazol-2-ylidene
1,3-Bis(2,4,6-trimethylphenyl)-1,3-dihydro-2H-imidazol-2-ylidene
MFCD09265338
1,3-Bis(2,4,6-trimethylphenyl)-1,3-dihydro-2H-imidazol-2-yli
1,3-bis(2,4,6-trimethylphenyl)-2H-imidazol-1-ium-2-ide
1,3-Dimesityl-1H-imidazol-3-ium-2-ide
Boiling Point 442.706ºC at 760 mmHg
Melting Point 140ºC
Molecular Formula C21H24N2
Molecular Weight 304.42900
Flash Point 199.09ºC
Exact Mass 304.19400
PSA 6.48000
LogP 5.17470
Appearance Powder | white to off-white
Vapour Pressure 0mmHg at 25°C
Storage condition ?20°C
Symbol GHS02 GHS07
GHS02, GHS07
Signal Word Warning
Hazard Statements H228-H315-H319-H335
Precautionary Statements P210-P261-P305 + P351 + P338
Personal Protective Equipment Eyeshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
Hazard Codes Xi: Irritant;
Risk Phrases R10
Safety Phrases S26
RIDADR UN 1325 4.1/PG 3
HS Code 2933290090

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141556-42-5 structure

141556-42-5

Literature: Arduengo III, Anthony J.; Rasika Dias; Harlow, Richard L.; Kline, Michael Journal of the American Chemical Society, 1992 , vol. 114, # 14 p. 5530 - 5534

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141556-42-5 structure

141556-42-5

Literature: Angewandte Chemie - International Edition, , vol. 52, # 31 p. 8045 - 8049 Angew. Chem., , vol. 125, # 31 p. 8203 - 8207
Precursor  2

DownStream  0

HS Code 2933290090
Summary 2933290090. other compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%