PEPPSI-SIPr Catalyst

(1,3-Bis(2,6-diisopropylphenyl)imidazolidene)(3-chloropyridyl)palladium(II) Dichloride

CAS #:

Linear Formula:



PEPPSI SIPr Catalyst
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PEPPSI-SIPr Catalyst Properties (Theoretical)

Compound Formula C32H42Cl3N3Pd
Molecular Weight 681.479
Appearance White to yellow powder
Melting Point 230 °C
Boiling Point N/A
Density N/A
Solubility in H2O N/A
Exact Mass 679.148 g/mol
Monoisotopic Mass 679.148 g/mol

PEPPSI-SIPr Catalyst Health & Safety Information

Signal Word Warning
Hazard Statements H302-H312-H332
Hazard Codes Xi
Precautionary Statements P280
RTECS Number N/A
Transport Information NONH for all modes of transport
WGK Germany 3

About PEPPSI-SIPr Catalyst

PEPPSI-SIPr (1,3-Bis(2,6-diisopropylphenyl)imidazolidene) ( 3-chloropyridyl) palladium(II) dichloride is an organometallic palladium catalyst for numerous cross-coupling reactions including Kumada-Tamao-Corriu (KTC), Buchwald-Hartwig amination,, Suzuki coupling, and Negishi coupling. PEPPSI, an acronymn for pyridine-enhanced precatalyst preparation stabilization and initiation, also describe the structures of a specific set of palladium catalysts developed in the 2000s that are air and moisture stable. Please request a quote above for more information on pricing and lead time.

PEPPSI-SIPr Catalyst Synonyms

PEPPSI SIPr, (1,3-Bis(2,6-diisopropylphenyl)imidazolidene) (3-chloropyridyl) palladium(II) dichloride, (1,3-Bis(2,6-diisopropylphenyl)imidazolidene)( 3-chloropyridyl)palladium(II) dichloride

Chemical Identifiers

Linear Formula C32H42Cl3N3Pd
MDL Number N/A
EC No. N/A
Pubchem CID 16218181
IUPAC Name 1,3-bis[2,6-di(propan-2-yl)phenyl]-2H-imidazole; 3-chloropyridine; dichloropalladium
SMILES CC(C)C1=C(C(=CC=C1)C(C)C)N2CN(C=C2)C3=C(C=CC=C3C(C)C)C(C)C.C1=CC(=CN=C1)Cl.Cl[Pd]Cl
InchI Identifier InChI=1S/C27H38N2.C5H4ClN.2ClH.Pd/c1-18(2)22-11-9-12-23(19(3)4)26(22)28-15-16-29(17-28)27-24(20(5)6)13-10-14-25(27)21(7)8;6-5-2-1-3-7-4-5;;;/h9-16,18-21H,17H2,1-8H3;1-4H;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


Palladium Bohr ModelSee more Palladium products. Palladium (atomic symbol: Pd, atomic number: 46) is a Block D, Group 10, Period 5 element with an atomic weight of 106.42. The number of electrons in each of palladium's shells is 2, 8, 18, 18 and its electron configuration is [Kr] 4d10. The palladium atom has a radius of 137 pm and a Van der Waals radius of 202 pm. In its elemental form, palladium has a silvery white appearance. Palladium is a member of the platinum group of metals (along with platinum, rhodium, ruthenium, iridium and osmium). Elemental PalladiumPalladium has the lowest melting point and is the least dense of the group. Palladium can be found as a free metal and alloyed with other platinum-group metals. Nickel-copper deposits are the main commercial source of palladium. Palladium was discovered and first isolated by William Hyde Wollaston in 1803. Its name is derived from the asteroid Pallas.


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