C14H22O
206.32 g/mol
Industrial ChemicalDanger
4-tert-Octylphenol
CAS140-66-9EC205-426-2
Category
Industrial Chemical
Compound Class
Aromatic
Primary Use
Nonionic surfactant intermediate and antioxidant
4-tert-Octylphenol is an alkylbenzene compound that serves as a nonionic surfactant intermediate and antioxidant. It is primarily used in industrial applications such as petroleum production and refining.
Nonionic surfactant intermediateAntioxidantFuel oil stabilizer
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
ReferenceSame Category
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chemical intermediate
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Monomer for acrylic resins and polymers
ReferenceSame Category
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solvent, metal chelating agent, intermediate
ReferenceSame Category
N-[3-(5-Mercapto-1H-1,2,3,4-tetraazol-1-yl)phenyl]acetamide
CAS14070-48-5
chemical intermediate
Safety Reference
Danger
H315Causes skin irritation
H318Causes serious eye damage
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H312Harmful in contact with skin
H314Causes severe skin burns and eye damage
H319Causes serious eye irritation
H361Suspected of damaging fertility or the unborn child
H373May cause damage to organs through prolonged or repeated exposure
H336May cause drowsiness or dizziness
Regulatory Compliance1
- EU REACH SVHCEURegulation
Customs Tariff Classification
The international HS code for 4-tert-Octylphenol (CAS 140-66-9) is 2907.13.
HS code (international, 6-digit)
2907.13
EU CN code (8-digit)
2907 13 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
4-(2,4,4-trimethylpentan-2-yl)phenol
InChIKey
ISAVYTVYFVQUDY-UHFFFAOYSA-N
SMILES
CC(C)(C)CC(C)(C)C1=CC=C(C=C1)O
Synonyms (28)
- 4-t-Octylphenol
- 4-tert-Octylphenol
- 4-tert-Octylphenol (Standard)
- 4-tertiary-octylphenol
- 4mga
- OCTYLPHENOL, 4-TERT-
- Octylphenol pt
- P-T-Octylphenol
- Phenol, p-(tert-octyl)-
- p-Octylphenol (VAN)
- p-Terc.oktylfenol
- p-terc.Oktylfenol [Czech]
- p-tert-Octylphenol
- para-tert-Octylphenol
- tert-Octylphenol, flaked
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