p-(1,1,3,3-Tetramethylbutyl)phenol

Chemical Namep-(1,1,3,3-Tetramethylbutyl)phenol
Synonym(s)4-(1,1,3,3-Tetramethylbutyl)phenol | 4-(1,1,3,3-Tetrametilbutil)fenol | 4-(2,2,4-Trimethylpentan-2-yl)phenol | 4-(2,4,4-Trimethylpentan-2-yl)phenol | 4-tert-Octylphenol | 4-tertiary-Octylphenol | NSC 5427 | NSC 7248 | Para-octylphenol | Phenol, 4-(1,1,3,3-tetramethylbutyl)- | Phenol, p-(1,1,3,3-tetramethylbutyl)- | p-(1,1,3,3-Tetramethylbutyl)-phenol | p-Octylphenol | p-t-Octylphenol | p-tert-Octylphenol
CASRN140-66-9
De minimis Limit %1
M,P/OU Threshould (lb)25,000/10,000
Listing TypeIndividually listed chemical
Effective Date01-JAN-23
Chemical QualifierNo
MetalNo
Chemical of Special ConcernNo
Per- or Polyfluoroalkyl SubstanceNo

Rulemaking Changes Affecting This Chemical

StatusEffective Reporting YearFR Proposed RuleFR Final Rule
Added202386 FR 57614 (10/18/2021)87 FR 73475 (11/30/2022)
Structural image
Structural representation of p-(1,1,3,3-Tetramethylbutyl)phenol