Description

4,4′-Bis(1,1,3,3-tetramethylbutyl)diphenylamine (CAS No. 15721-78-5) is a high-purity aromatic amine derivative widely used in advanced material science and industrial applications. With the molecular formula C₂₈H₄₃N, this compound is characterized by its symmetrical structure featuring two bulky tert-octyl (1,1,3,3-tetramethylbutyl) groups attached to a diphenylamine core. Its exceptional thermal stability and antioxidant properties make it invaluable as a stabilizer in polymers, lubricants, and synthetic resins. The compound’s lipophilic nature enhances compatibility with organic matrices, while its sterically hindered structure provides superior resistance to oxidative degradation. Available in crystalline or powdered form with >85% purity, it is packaged under inert conditions to ensure long-term stability. Suitable for research, manufacturing, and formulation of high-performance materials requiring prolonged service life under harsh conditions.

Properties

• CAS Number: 15721-78-5
• Complexity: 439
• IUPAC Name: 4-(1,1,3,3-tetramethylbutyl)-N-[4-(1,1,3,3-tetramethylbutyl)phenyl]aniline
• InChI: InChI=1S/C28H43N/c1-25(2,3)19-27(7,8)21-11-15-23(16-12-21)29-24-17-13-22(14-18-24)28(9,10)20-26(4,5)6/h11-18,29H,19-20H2,1-10H3
• InChI Key: GQBHYWDCHSZDQU-UHFFFAOYSA-N
• Exact Mass: 393.339550376
• Molecular Formula: C28H43N
• Molecular Weight: 393.6
• SMILES: CC(C)(C)CC(C)(C)C1=CC=C(C=C1)NC2=CC=C(C=C2)C(C)(C)CC(C)(C)C
• Topological: 12
• Monoisotopic Mass: 393.339550376
• Physical Description: Dry Powder, NKRA; Pellets or Large Crystals; Dry Powder
• Synonyms: EINECS 239-816-9, Bis(4-(1,1,3,3-tetramethylbutyl)phenyl)amine, 4,4′-Bis(1,1,3,3-tetramethylbutyl)diphenylamine, N,N-Bis(4-tert-octylphenyl)amine, NF06JO4WIX, Benzenamine, 4-(1,1,3,3-tetramethylbutyl)-N-[4-(1,1,3,3-tetramethylbutyl)phenyl]-, DTXSID3029310, PERMANOX OD, 4,4′-di-tert-octyldiphenylamine, Diphenylamine, 4,4′-bis(1,1,3,3-tetramethylbutyl)-, Benzenamine, 4-(1,1,3,3-tetramethylbutyl)-N-(4-(1,1,3,3-tetramethylbutyl)phenyl)-, DTXCID809310, p,p’-di-tert-octyldiphenylamine, EC 239-816-9, BIS(P-TERT-OCTYLPHENYL)AMINE, Benzenamine, 4-(1,1,3,3-tetramethylbutyl)-N-4-(1,1,3,3-tetramethylbutyl)phenyl-, 15721-78-5, Bis(4-(2,4,4-trimethylpentan-2-yl)phenyl)amine, 4-(1,1,3,3-tetramethylbutyl)-N-[4-(1,1,3,3-tetramethylbutyl)phenyl]aniline, 4-(2,4,4-trimethylpentan-2-yl)-N-[4-(2,4,4-trimethylpentan-2-yl)phenyl]aniline, MFCD00345316, C8C8, Bis(4-Tert-octylphenyl)amine (>85%), C28H43N, Bis[4-(2,4,4-trimethylpentan-2-yl)phenyl]amine, UNII-NF06JO4WIX, bis(4-t-octylphenyl)amine, bis(4-tert-octylphenyl)amine, SCHEMBL411772, CHEMBL3187713, Tox21_202773, AC-664, AKOS016008282, SB83659, NCGC00260320-01, AS-12351, SY108549, CAS-15721-78-5, DB-342478, CS-0154876, NS00019782, D82515, Bis[4-(2,4,4-trimethyl-2-pentyl)phenyl]amine, Bis-(4-(2,4,4-trimethylpentan-2-yl)phenyl)amine, Q27284833, 239-816-9

This compound serves as a highly effective antioxidant and stabilizer in polymer formulations, particularly in polyethylene and rubber products exposed to elevated temperatures. Its applications extend to lubricant additives where it inhibits oxidative breakdown in industrial oils and greases. Researchers utilize it as a model compound for studying sterically hindered amine behavior in material degradation studies. In specialty coatings, it provides UV and thermal stabilization for long-lasting performance.

Safety and Hazards

GHS Hazard Statements

• Not Classified
• Reported as not meeting GHS hazard criteria by 190 of 207 companies (only 8.2% companies provided GHS information). For more detailed information, please visit ECHA C&L website.

Hazard Classes and Categories

• Not Classified

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