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Chemical name:

bis(2-(2,6-diethylphenyl)-3,3-dimethyl-2-azaspiro[4.5]decan-1-ylidene)dichloro(3-phenyl-1H-inden-1-ylidene)ruthenium(II) dichloromethane complex

Product number: AS2098

CAS number: 2501978-79-4

Patent number: PCT/IB2016/054486, WO2006138166

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Latent catalyst for ROMP. Requires co-catalyst for optimal performance. Shows excellent shelf life (up to 3 months) in dicyclopentadiene in the presence of polymerization retardant. Allows preparation of one-component formulation with shelf life of up to 3 weeks.

Chemical properties

Chemical formula:


Molecular weight:

1042.10 g/mol

Physical state:




Handling information

High stability allows catalyst handling on air.

Storage information

Long-term storage (>1 week):

Store under inert gas in a cold place (recommended temp. 2 - 8 °C).

Short-term storage (<1 week):

Store under inert gas at ambient temperature.

Additional references

  • R. Gawin, A. Kozakiewicz, P. A. Guńka, P. Dąbrowski, K. Skowerski “Bis(Cyclic Alkyl Amino Carbene) Ruthenium Complexes: A Versatile, Highly Efficient Tool for Olefin Metathesis” Angew. Chem. Int. Ed., 56, 910, (2017).

Any questions about product?

Cengiz Azap, PhD
Chief Commercial Officer
Tel.: (+49) 176 8142 0090