They are normally recovered intact, however, they may disintegrate somewhat in aqueous reactions. Any disintegrated tablets can be removed from the reaction via filtration.
685143
PEPPSI™-IPr, ChemDose™ tablets
Loading: 2μmol per tablet
Synonym(s):
ChemDose™, [1,3-Bis(2,6-diisopropylphenyl)imidazol-2-ylidene] (3-chloropyridyl)palladium(II) dichloride impregnated tablets, PEPPSI™-IPr impregnated tablets
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All Photos(1)
About This Item
Empirical Formula (Hill Notation):
C32H40Cl3N3Pd
Molecular Weight:
679.46
MDL number:
UNSPSC Code:
12352200
PubChem Substance ID:
Recommended Products
form
tablet
matrix
Magnesium aluminometasilicate base material
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
InChI key
BLDKGTGQENJFON-UHFFFAOYSA-L
Legal Information
ChemDose is a trademark of Reaxa Ltd.
PEPPSI is a trademark of Total Synthesis Ltd.
signalword
Warning
hcodes
Hazard Classifications
Carc. 2
Storage Class
13 - Non Combustible Solids
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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Do the ChemDose® tablets disintegrate during the course of the reaction?
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How should I store ChemDose® tablets?
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As with most catalysts and ligands, as a general precaution it is best to store them in a refrigerator and/or under an inert atmosphere to maintain activity. Some catalysts, such as Pd(dppf)Cl2·CH2Cl2, are more robust and can be handled in air without issue. Please refer to the ChemDose® label for specific handling of a given catalyst, ligand, or reagent.
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What is the difference between Product 669032, PEPPSI™-IPr catalyst, and the ChemDose version, Product 685143?
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Both products are the same catalyst, but in different forms. Product 669032 is a powder, while 685143 is the catalyst in tablet form. A specific amount of catalyst (2μmol for 685143) is impregnated into an inert tablet matrix as a time-saving alternative to weighing out the catalyst. More information on the ChemDose tablets is found at:
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What is the Department of Transportation shipping information for this product?
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Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
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What is the pH stability of the ChemDose® tablets?
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The ChemDose® tablets are mildly basic and will dissolve in the presence of mineral acids.
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How should I dispose of spent ChemDose® tablets?
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They should be treated as solid waste, contaminated with reaction species. The matrix is non-toxic and environmentally benign.
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Can I use ChemDose® tablets in a microwave or pressure vessel?
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Absolutely. Please see the Technical Information for Download section (below) for additional examples of cross-coupling reactions involving the use of microwaves.
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Can I use ChemDose® tablets in any solvent?
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Yes, including aqueous solvents.
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