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4-Tert-octylphenol

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4-Tert-octylphenol molecular structure
Molecular structure

The Sigma-Aldrich catalog lists 4 grades and pack sizes of 4-Tert-octylphenol (CAS 140-66-9). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS140-66-9
Molecular formulaC14H22O
Molecular weight206.33 g/mol
IUPAC name4-(2,4,4-trimethylpentan-2-yl)phenol
Synonyms4-(2,4,4-trimethylpentan-2-yl)phenol · 4-(1,1,3,3-TETRAMETHYLBUTYL)PHENOL · p-tert-Octylphenol · 4-t-Octylphenol · Phenol, 4-(1,1,3,3-tetramethylbutyl)- · p-Terc.oktylfenol
Safety & Hazards (GHS) Danger
Corrosive Corrosive Environmental hazard Environmental hazard
  • H315 Causes skin irritation
  • H318 Causes serious eye damage
  • H400 Very toxic to aquatic life
  • H410 Very toxic to aquatic life with long lasting effects

⚠️ For information only (source: EU CLP harmonised classification and ECHA notifications, via PubChem); not a substitute for the official Safety Data Sheet (SDS).

Catalog codes and grades

Brand Product / grade Code
Sigma 4-(TERT-OCTYL)PHENOL, 97% 290823-1KG Request Quote
Sigma 4-TERT-OCTYLPHENOL SOLUTION, 1000 5G/ML 32467-1ML Request Quote
Sigma 4-TERT-OCTYLPHENOL, 500MG, NEAT 442858 Request Quote
Sigma 4-tert-Octylphenol, 97% 290823-25G Request Quote

For information only; specifications and availability are confirmed at quotation. Prices are not listed.