Sigma Aldrich 72020 Sodium tetraphenylborate puriss. p.a., ACS reagent, ≥99.5% (NT) 250 gr
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Marka
Stok Kodu
LB.SA.72020-250G
Kısa Bilgi
Synonym(s): Tetraphenylboron sodium Linear Formula: (C6H5)4BNa CAS Number: 143-66-8 Molecular Weight: 342.22 Beilstein: 3599783 EC Number: 205-605-5 MDL number: MFCD00011494 PubChem Substance ID: 57652389 NACRES: NA.21
| Sigma Aldrich 72020 Sodium tetraphenylborate puriss. p.a., ACS reagent, ≥99.5% (NT) 250 gr |
| Synonym(s): Tetraphenylboron sodium Linear Formula: (C6H5)4BNa CAS Number: 143-66-8 Molecular Weight: 342.22 Beilstein: 3599783 EC Number: 205-605-5 MDL number: MFCD00011494 PubChem Substance ID: 57652389 NACRES: NA.21 |
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PROPERTIES
grade ACS reagent puriss. p.a.
Quality Level 200 Assay ≥99.5% (NT) form solid loss ≤0.5% loss on drying, 110 °C anion traces chloride (Cl-): ≤50 mg/kg sulfate (SO42-): ≤50 mg/kg cation traces Ca: ≤100 mg/kg Cd: ≤5 mg/kg Co: ≤5 mg/kg Cr: ≤5 mg/kg Cu: ≤5 mg/kg Fe: ≤5 mg/kg K: ≤500 mg/kg Mg: ≤5 mg/kg Mn: ≤5 mg/kg Ni: ≤5 mg/kg Pb: ≤5 mg/kg Zn: ≤5 mg/kg SMILES string [Na+].c1ccc(cc1)[B-](c2ccccc2)(c3ccccc3)c4ccccc4 InChI 1S/C24H20B.Na/c1-5-13-21(14-6-1)25(22-15-7-2-8-16-22,23-17-9-3-10-18-23)24-19-11-4-12-20-24;/h1-20H;/q-1;+1 InChI key HFSRCEJMTLMDLI-UHFFFAOYSA-N DESCRIPTION General description Sodium tetraphenylborate (Ph4BNa) undergoes rhodium-catalyzed addition reactions with N-phenylsulfonyl aldimines to afford R(Ph)CHNHSO2Ph.[1] Application Sodium tetraphenylborate (Ph4BNa) may be used in the synthesis of polyfunctional biaryls via modified Suzuki cross-coupling reaction.[2] It may be employed as a derivatization reagent for the analysis of methylmercury and ethylmercury by gas chromatography (GC) coupled with atomic fluorescence spectrometry (AFS), microwave-induced plasma atomic emission spectrometry (AES) and mass spectrometry (MS).[3] Other Notes Reagent for the precipitation and titration of potassium[4][5]; For the amperometric titration of amines, quaternary ammonium compounds and potassium[6]; For the titration of quaternary ammonium surfactants[7]; Titrant for amines and NH4Cl in the presence of a K selective electrode[8] |
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