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Sigma-Aldrich 209619 Potassium carbonate ACS reagent, ≥99.0% CAS No.: 584-08-7 1 kg
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LB.SA.209619-1KG
Kısa Bilgi
Linear Formula: K2CO3 CAS Number: 584-08-7 Molecular Weight: 138.21 Beilstein: 4267587 EC Number: 209-529-3 MDL number: MFCD00011382 UNSPSC Code: 12352302 PubChem Substance ID: 329752063 NACRES: NA.21 Assay: ≥99.0% Grade: ACS reagent Form: powder or crystals
| Sigma-Aldrich 209619 Potassium carbonate ACS reagent, ≥99.0% CAS No.: 584-08-7 1 kg |
| Linear Formula: K2CO3 CAS Number: 584-08-7 Molecular Weight: 138.21 Beilstein: 4267587 EC Number: 209-529-3 MDL number: MFCD00011382 UNSPSC Code: 12352302 PubChem Substance ID: 329752063 NACRES: NA.21 Assay: ≥99.0% Grade: ACS reagent Form: powder or crystals |
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PROPERTIES
grade ACS reagent
Quality Level 200 Assay ≥99.0% form powder or crystals impurities ≤0.004% S compounds as (SO42-) ≤0.005% silica ≤0.01% insolubles pH 11-13 (25 °C, 138 g/L) mp 891 °C (lit.) anion traces chloride (Cl-): ≤0.003% phosphate (PO43-): ≤0.001% cation traces Ca: ≤0.005% Fe: ≤5 ppm Mg: ≤0.002% Na: ≤0.02% heavy metals: ≤5 ppm (by ICP-OES) SMILES string [K+].[K+].[O-]C([O-])=O InChI 1S/CH2O3.2K/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2 InChI key BWHMMNNQKKPAPP-UHFFFAOYSA-L DESCRIPTION General description Potassium carbonate is an inorganic base.[1] It participates as a base in the palladacycle catalyzed Heck reaction of chlorobenzene with styrene.[2] Addition of amino acids (glycine, sarcosine and proline) to K2CO3 (solvent) promotes the absorption of CO2.[3] Application Potassium carbonate has been used in the preparation of disulfonated bis[4-(3-aminophenoxy)phenyl]sulfone, a disulfonated diamine monomer.[4] It may be used in the following studies: - As a reagent in the synthesis of polysubstituted iodobenzene derivatives.[5] - As a base for the synthesis of high molecular weight homopolymers and copolymers derived from various bisphenols.[6] - As a base for the Suzuki coupling of aryl halides with aryl boronic acids.[7] - The Heck reaction of styrene and bromobenzene.[1] Other Notes Go to Redi-Dri™ Product Listing 791766 Legal Information Redi-Dri is a trademark of Sigma-Aldrich Co. LLC |
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