CAS #:

Linear Formula:


MDL Number:


EC No.:



97% Benzylidene-bis(tricyclohexylphosphine)dichlororuthenium (Grubbs Catalyst I)
Pricing > SDS > Data Sheet >

Grubbs Catalyst, 1st Generation Properties (Theoretical)

Compound Formula C43H72Cl2P2Ru
Molecular Weight 822.967
Appearance Violet powder
Melting Point 153 °C
Boiling Point N/A
Density N/A
Solubility in H2O N/A
Exact Mass 822.353 g/mol
Monoisotopic Mass 822.353 g/mol

Grubbs Catalyst, 1st Generation Health & Safety Information

Signal Word Warning
Hazard Statements H228-H315-H319-H335
Hazard Codes F, Xi
Precautionary Statements P210-P261-P305 + P351 + P338
RTECS Number N/A
Transport Information UN1325 4.1/ PG II
WGK Germany 3

About Grubbs Catalyst, 1st Generation

Benzylidene-bis(tricyclohexylphosphine)dichlororuthenium (Grubbs Catalyst 1st Generation) is one of numerous organometallic compounds manufactured by American Elements under the trade name AE Organometallics™. Organometallics are useful reagents, catalysts, and precursor materials with applications in thin film deposition, industrial chemistry, pharmaceuticals, LED manufacturing, and others. American Elements supplies organometallic compounds in most volumes including bulk quantities and also can produce materials to customer specifications. Please request a quote above for more information on pricing and lead time.

Grubbs Catalyst, 1st Generation Synonyms

Benzylidene-bis(tricyclohexylphosphine)dichlororuthenium, Benzylidenebis(tricyclohexylphosphine)-dichlororuthenium, Benzylidenebis(tricyclohexylphosphine)dichlororuthenium, Bis(tricyclohexylphosphine)benzylidine ruthenium(IV) dichloride, Dichloro(benzylidene)bis(tricyclohexylphosphine)ruthenium(II), ruthenium dichloro(phenylmethylene)bis (tricyclohexylphosphine), Grubbs Catalyst C823

Chemical Identifiers

Linear Formula C43H72Cl2P2Ru
MDL Number MFCD01090946
EC No. N/A
Pubchem CID 11967259
IUPAC Name benzylidene(dichloro)ruthenium; tricyclohexylphosphane
InchI Identifier InChI=1S/2C18H33P.C7H6.2ClH.Ru/c2*1-4-10-16(11-5-1)19(17-12-6-2-7-13-17)18-14-8-3-9-15-18;1-7-5-3-2-4-6-7;;;/h2*16-18H,1-15H2;1-6H;2*1H;/q;;;;;+2/p-2

Packaging Specifications

Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Shipping documentation includes a Certificate of Analysis and Safety Data Sheet (SDS). Solutions are packaged in polypropylene, plastic or glass jars up to palletized 440 gallon liquid totes, and 36,000 lb. tanker trucks.

Related Elements


Chlorine is a Block P, Group 17, Period 3 element. Its electron configuration is [Ne]3s23p5. The chlorine atom has a covalent radius of 102±4 pm and its Van der Waals radius is 175 pm. Chlorine ModelIn its elemental form, chlorine is a yellow-green gas. Chlorine is the second lightest halogen after fluorine. It has the third highest electronegativity and the highest electron affinity of all elements, making it a strong oxidizing agent. It is rarely found by itself in nature. Chlorine was discovered and first isolated by Carl Wilhelm Scheele in 1774. It was first recognized as an element by Humphry Davy in 1808.


See more Ruthenium products. Ruthenium (atomic symbol: Ru, atomic number: 44) is a Block D, Group 8, Period 5 element with an atomic weight of 101.07. Ruthenium Bohr ModelThe number of electrons in each of ruthenium's shells is [2, 8, 18, 15, 1] and its electron configuration is [Kr] 4d7 5s1. The ruthenium atom has a radius of 134 pm and a Van der Waals radius of 207 pm. Ruthenium was discovered by Jędrzej Śniadecki in 1807. It was first recognized as a distinct element by Karl Ernst Claus in 1844. Elemental RutheniumIn its elemental form, ruthenium has a silvery white metallic appearance. Ruthenium is a rare transition metal belonging to the platinum group of metals. It is found in pentlandite, pyroxenite, and platinum group metal ores. The name Ruthenium originates from the Latin word "Ruthenia," meaning Russia.

Recent Research


February 21, 2024
Los Angeles, CA
Each business day American Elements' scientists & engineers post their choice for the most exciting materials science news of the day
Researchers develop a nanophotonic diamond interface with a tin-vacancy center, well-suited for scalable quantum networks

Researchers develop a nanophotonic diamond interface with a tin-vacancy center, well-suited for scalable quantum networks