3,3',5,5'-Tetramethylbiphenyl, 97+%
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3,3',5,5'-Tetramethylbiphenyl, 97+%
3,3',5,5'-Tetramethylbiphenyl, 97+%
3,3',5,5'-Tetramethylbiphenyl, 97+%
Thermo Scientific Chemicals

3,3',5,5'-Tetramethylbiphenyl, 97+%

CAS: 25570-02-9 | C16H18 | 210.32 g/mol
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Catalog number L09172.06
also known as L09172-06
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Chemical Identifiers
CAS25570-02-9
SpecificationsSpecification SheetSpecification Sheet
Assay (GC)≥97.0%
Appearance (Color)White
FormCrystals or powder or crystalline powder
Melting Point (clear melt)45.0-51.0?C
3,3',5,5'-Tetramethylbiphenyl is used as a precursor for the preparation of 3,3',5,5'-tetramethylenebiphenyl tetraanion. It is also used to prepare biphenyl-3,3',5,5'-tetracarboxylic acid by the oxidation of with potassium permanganate.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
3,3′,5,5′-Tetramethylbiphenyl is used as a precursor for the preparation of 3,3′,5,5′-tetramethylenebiphenyl tetraanion. It is also used to prepare biphenyl-3,3′,5,5′-tetracarboxylic acid by the oxidation of with potassium permanganate.

Notes
Incompatible with strong oxidizing agents.
RUO – Research Use Only

General References:

  1. Suzaki, Y.; Shirokawa, M.; Yagyu, T.; Osakada, K. Synthesis and Reactions of PdII Complexes with Aryl, Aroyl, and Iminoaroyl Ligands-Insertion of CO and RNC into the Pd-Ar Bond and Intermolecular Coupling of the Ligands. Eur. J. Inorg. Chem. 2015, 2015 (3), 421-429.
  2. Kapdi, A. R.; Dhangar, G.; Serrano, J. L.; De Haro, J. A.; Lozano, P.; Fairlamb, I. J. S. [Pd(Phbz)(X)(PPh3)] palladacycles promote the base-free homocoupling of arylboronic acids in air at room temperature. RSC Adv. 2014, 4 (98), 55305-55312.