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579726 Sigma-Aldrich

Grubbs Catalyst® M102

Umicore, 97%

Synonym: Benzylidene-bis(tricyclohexylphosphine)dichlororuthenium, Bis(tricyclohexylphosphine)benzylidine ruthenium(IV) dichloride, Dichloro(benzylidene)bis(tricyclohexylphosphine)ruthenium(II), Grubbs Catalyst® 1st Generation, Grubbs Catalyst® M1a (C823)

  • CAS Number 172222-30-9

  • Empirical Formula (Hill Notation) C43H72Cl2P2Ru

  • Molecular Weight 822.96

  •  PubChem Substance ID 24881009

  •  NACRES NA.22



Related Categories Catalysis, Catalysis and Inorganic Chemistry, Catalysts for Polymerization, Chemical Synthesis, Development Quantities for Research,
Quality Level   100
assay   97%
reaction suitability   core: ruthenium
  reagent type: catalyst
reaction type: Ring-Opening Polymerization
mp   153 °C (dec.)
storage temp.   2-8°C



First metathesis catalyst to be widely used in organic synthesis. Useful for acyclic diene metathesis polymerization (ADMET), Ring-Opening Metathesis Polymerization (ROMP) of strained cyclic olefins, ring opening metathesis (ROM), olefin cross metathesis (CM) and ring closing metathesis (RCM) of terminal olefins under a variety of reactions conditions.


1, 5, 50 g in glass bottle

Other Notes

Grubbs Catalyst® Technology for Olefin Metathesis by Aldrich

Legal Information

Product of Umicore

Additional information available at http://www.pmc.umicore.com

Grubbs Catalyst is a registered trademark of Umicore

Safety & Documentation

Safety Information

GHS02  GHS02
Signal word 
Hazard statements 
Precautionary statements 
Personal Protective Equipment 
UN1325 - class 4.1 - PG 2 - Flammable solids, organic, n.o.s., HI: all
WGK Germany 
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable
Protocols & Articles


Grubbs Group - Professor Product Portal

From our library of Articles, Sigma-Aldrich presents Grubbs Group - Professor Product Portal
Keywords: Catalysis, Cross metathesis, Dihydroxylations, Ligands, Metathesis, Nuclear magnetic resonance spectroscopy, Olefin metathesis, Pharmaceutical, Spectroscopy, transformation

Ring Closing Metathesis Reaction Screening Kit Materials

The screening sets come pre-loaded with 1 µmol of catalyst in each vial according to the following design.
Keywords: High performance liquid chromatography, Metathesis, Ring-closing metathesis

Ring-Closing Metathesis | Aldrich ChemFiles 2009, 9.6, 4.

Ring-closing metathesis has become an essential tool for C-C bond formation as demonstrated by the profound impact on total synthesis in recent years.1 The first examples date back to 1980 and involv...
William Sommer
Aldrich ChemFiles 2009, 9.6, 4.
Keywords: C-C bond formation, Cyclizations, Metathesis, Ring-closing metathesis

Synthesis of Glabrescol

In 2000, Corey and coworkers utilized cross metathesis to synthesize a series of stereoisomers of glabrescol.1 Glabrescol is the biosynthetic precursor to steroids and triterpenoids. Upon preparation...
William Sommer
Aldrich ChemFiles 2009, 9.6, 7.
Keywords: Chemfiles, Cross metathesis, Metathesis

Total Synthesis of Ingenol

In 2004, Wood and coworkers reported the synthesis of ingenol.1 This natural product has fascinated synthetic chemists for the past 20 years due to its promising biological activity and structure, wh...
William Sommer
Aldrich ChemFiles 2009,9.6, 4.
Keywords: Chemfiles, Cross metathesis, Metathesis, Polymerization reactions, Ring-closing metathesis

Related Content

Metathesis in Chemical Synthesis

Olefin metathesis is now a well-entrenched synthetic technique, and is a powerful method for the clean construction of innumerable classes of chemical architectures. The broadly accepted belief that ...
Keywords: Building blocks, Cross metathesis, Enyne metathesis, Exothermic, Isomerizations, Ligands, Living polymerization, Metathesis, Olefin metathesis, Organic synthesis, Polymerization reactions, Ring opening metathesis polymerisation, Ring-closing metathesis

Peer-Reviewed Papers


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