text.skipToContent text.skipToNavigation

Maximum quantity allowed is 999

Please select the quantity

CAS RN: 2055540-61-7 | Product Number: U0141

UltraCat (contains 5% Nitromethane at maximum)

Purity: >90.0%(HPLC)
  • Bis[1-(2,6-diethylphenyl)-3,5,5-trimethyl-3-phenylpyrrolidin-2-ylidene](3-phenyl-1H-inden-1-ylidene)ruthenium Chloride (contains 5% Nitromethane at maximum)
Contact Us 14  

*Stock available in Belgium will be delivered in 1 to 3 days
*Stock available in Japan will be delivered in 1 to 2 weeks (excludes regulated items and dry ice shipments).

Product Number U0141
Purity / Analysis Method >90.0%(HPLC)
Molecular Formula / Molecular Weight C__6__1H__6__8Cl__2N__2Ru = 1001.20  
Physical State (20 deg.C) Solid
Storage Temperature 0-10°C
Store Under Inert Gas Store under inert gas
Condition to Avoid Air Sensitive,Heat Sensitive
CAS RN 2055540-61-7
Reaxys Registry Number 32783320
MDL Number


Appearance Orange to Brown powder to crystal
Purity(HPLC) min. 90.0 area%
Properties (reference)
Pictogram Pictogram
Signal Word Warning
Hazard Statements H371 : May cause damage to organs.
H351 : Suspected of causing cancer.
Precautionary Statements P501 : Dispose of contents/ container to an approved waste disposal plant.
P260 : Do not breathe dust/ fume/ gas/ mist/ vapours/ spray.
P202 : Do not handle until all safety precautions have been read and understood.
P201 : Obtain special instructions before use.
P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection.
P308 + P311 : IF exposed or concerned: Call a POISON CENTER/doctor.
Related Laws:
Transport Information:
HS Number 2843909000
TCI Practical Example: Olefin Metathesis Using UltraCat

Used Chemicals


To a solution of diethyl diallylmalonate (0.240 mL, 0.99 mmol) in anhydrous toluene (9.8 mL) was added a solution of UltraCat (0.1 mol%, 0.001 mmol, 1.0 mg) in toluene (0.1 mL) in one shot. The mixture was stirred at 40 °C under nitrogen for 2 hours. To the reaction mixture, was added 1,4-bis(3-isocyanopropyl)piperazine (0.5 mol%, 1.0 mg) to deactivate the catalyst. The solvent was removed under reduced pressure to give a crude of 1 (0.187 g, 89%) as a deep orange oil. The residue was passed through silica gel (eluent: hexane) to obtain 1 (0.143 g, 68%) as a light yellow oil.

Experimenter's Comments

Toluene was dried over molecular sieves 4A and was degassed by purging with nitrogen before use.
Preparation of catalyst stock solution: UltraCat (5.0 mg) was dissolved in dry degassed toluene (0.5 mL).
The reaction mixture was analyzed by gas chromatography and the reaction completed within 30 min.

Analytical Data (Diethyl cyclopent-3-ene-1,1-dicarboxylate (1))

1H NMR (400 MHz, CDCl3); δ 5.60 (t, J =2.74 Hz, 2H), 4.20 (q, J =7.34 Hz, 4H), 3.01 (m, 4H), 1.25 (t, J=7.34 Hz, 4H).

13C NMR (101 MHz, CDCl3); δ 172.18, 127.75, 61.47, 58.78, 50.79, 13.98.

Lead Reference


Documents (Note: Some products will not have analytical charts available.)
Safety Data Sheet (SDS)
Please select Language.

The requested SDS is not available.

Please Contact Us for more information.

C of A & Other Certificates
Please enter Lot Number Incorrect Lot Number is entered
Analytical Charts
Please enter Lot Number Incorrect Lot Number is entered

The requested analytical chart is not available. Sorry for the inconvenience.

Other Documents