C8H10O
122.16 g/mol
Flavor & FragranceDanger
4-ETHYLPHENOL
CAS123-07-9EC204-598-6
Category
Flavor & Fragrance
Compound Class
Aromatic
Primary Use
Starting material for antioxidants and pharmaceuticals
4-Ethylphenol is an organic compound and one of three isomeric ethylphenols. It appears as a white solid and is used in the production of certain commercial phenolic resins.
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
Safety Reference
Danger
H314Causes severe skin burns and eye damage
H318Causes serious eye damage
H302Harmful if swallowed
Customs Tariff Classification
The international HS code for 4-ETHYLPHENOL (CAS 123-07-9) is 2907.19.
HS code (international, 6-digit)
2907.19
EU CN code (8-digit)
2907 19 90
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-ethylphenol
InChIKey
HXDOZKJGKXYMEW-UHFFFAOYSA-N
SMILES
CCC1=CC=C(C=C1)O
Synonyms (25)
- ETY
- Metacresol EP Impurity K
- (P-HYDROXYPHENYL)ETHANE
- 1-Ethyl-4-hydroxybenzene
- 1-Hydroxy-4-ethylbenzene
- 2ra6
- 4-ETHYLPHENOL
- 4-ETILFENOL
- 4-Ethylphenol, >=97.0% (GC)
- 4-Ethylphenol, PESTANAL(R)
- 4-Hydroxyethylbenzene
- 4-Hydroxyphenylethane
- 4-ethyl-phenyl alcohol
- BENZENE,1-ETHYL,4-HYDROXY
- Hydroxyphenylethane, p-
- METACRESOL IMPURITY K
- P-HYDROXYETHYLBENZENE
- Phenol, 3(or 4)-ethyl-
- Phenol, 4-ethyl-
- Phenol, p-ethyl-
- p-Ethylphenol
- para-Ethylphenol
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