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CAS 1625-91-8

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4,4′-Bis(1,1-dimethylethyl)-1,1′-biphenyl

Description:
4,4′-Bis(1,1-dimethylethyl)-1,1′-biphenyl, commonly known as bis(tert-butyl)biphenyl, is an organic compound characterized by its biphenyl structure substituted with two tert-butyl groups at the para positions. This compound is typically a colorless to pale yellow solid at room temperature and is known for its stability and resistance to oxidation, making it useful in various applications, including as an antioxidant in plastics and lubricants. Its molecular structure contributes to its hydrophobic nature, resulting in low solubility in water but good solubility in organic solvents. The presence of bulky tert-butyl groups imparts steric hindrance, which can influence its reactivity and interactions with other chemical species. Additionally, this compound has a relatively high melting point and boiling point compared to simpler biphenyl derivatives, reflecting its larger molecular size and the presence of non-polar functional groups. Overall, 4,4′-Bis(1,1-dimethylethyl)-1,1′-biphenyl is valued for its chemical stability and utility in enhancing the performance of various materials.
Formula:C20H26
InChI:InChI=1S/C20H26/c1-19(2,3)17-11-7-15(8-12-17)16-9-13-18(14-10-16)20(4,5)6/h7-14H,1-6H3
InChI key:InChIKey=CDKCEZNPAYWORX-UHFFFAOYSA-N
SMILES:C(C)(C)(C)C1=CC=C(C=C1)C2=CC=C(C(C)(C)C)C=C2
Synonyms:
  • 1,1′-Biphenyl, 4,4′-bis(1,1-dimethylethyl)-
  • 1-tert-Butyl-4-(4-tert-butylphenyl)benzene
  • 4,4'-Di-Tert-Butylbiphenyl
  • 4,4′-Bis(1,1-dimethylethyl)-1,1′-biphenyl
  • Biphenyl, 4,4′-di-tert-butyl-
  • p,p′-Di-tert-butylbiphenyl
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