4-Ethylphenol

Basic Information

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CAS Number

123-07-9

Molecular Formula

C8H10O

Molecular Weight

122.17 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Hydrocarbons

Basic Physical Properties

Melting Point

40-42 °C <br />41-44 °C

Boiling Point

218-219 °C

Water Solubility

4.9 g/L (25 ºC)

Solubility

4.9g/l

Refractive Index

1.5330

Vapor Pressure

0.13 mmHg ( 20 °C)

SMILES

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CCc1ccc(O)cc1

InChI

InChI=1S/C8H10O/c1-2-7-3-5-8(9)6-4-7/h3-6,9H,2H2,1H3

InChIKey

HXDOZKJGKXYMEW-UHFFFAOYSA-N

LogP

1.9546

Topological Polar Surface Area

20.23 Å²

Hydrogen Bond Donor/Acceptor

1 / 1

Complexity

72.6

Safety Information

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GHS Hazard Pictograms

H315

H319

H335

Hazard Statement

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

H335 May cause respiratory irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation

Hazard Class

Class 8 Class 8

Stability

Stable. Incompatible with acid chlorides, acid anhydrides, oxidizing agents.

Synonyms & References

English

4-Ethylphenol
P-Ethyl phenol
4-Ethylphenolneat
1-hydroxy-4-ethylbenzene
2-Hexenoic acid,4-methylene-,ethyl ester
4-ethyl-1-hydroxybenzene
4-Ethyl-pentadien-(2,4)-carbonsaeure-(1)-ethylester
4-ethyl-phenol
Ethyl 4-ethyl-2,4-pentadienoate
para-ethyl phenol
p-Et-C6H4-OH
Phenol,p-ethyl- (8CI)
(4-Hydroxyphenyl)ethane
(p-Hydroxyphenyl)ethane
1-Ethyl-4-hydroxybenzene
NSC 62012
p-Hydroxyethylbenzene
PEP
2PO
FEMA 3156
ETHYLPHENOLS
p-ethyl-pheno
4-ethyl-pheno
4-Ethylphenole
Paraethylphenol
p-Ethylphenol
Phenol, 4-ethyl-
Phenol, p-ethyl-
para-Ethylphenol
4-Hydroxyphenylethane
4-Hydroxyethylbenzene

MDL Number

MFCD00002393

Customs Code

29071900

FAQ

What is 4-Ethylphenol (CAS: 123-07-9)?

4-Ethylphenol (CAS: 123-07-9) is an aromatic organic compound with the chemical formula C8H10O. It is a colorless to yellowish liquid with a phenolic odor, known for its solubility in organic solvents and use in various industrial applications. As a derivative of phenol, it exhibits hydroxyl functionality and is commonly utilized in chemical synthesis.

What are the main uses of 4-Ethylphenol (CAS: 123-07-9)?

4-Ethylphenol (CAS: 123-07-9) is primarily used in pharmaceuticals as a precursor for drug synthesis, in the production of resins and plastics, and as a solvent. It also finds applications in the food industry for flavoring and fragrance compounds, and in research for studying antioxidant properties and organic reactions. Its versatility makes it a key compound in multiple sectors.

Is 4-Ethylphenol (CAS: 123-07-9) safe?

4-Ethylphenol (CAS: 123-07-9) is toxic if ingested or inhaled, requiring careful handling. It is an irritant to skin, eyes, and respiratory systems, so protective measures like gloves and ventilation are essential. Safety standards emphasize adherence to OSHA guidelines, proper storage, and avoiding contact with incompatible materials to ensure workplace and environmental safety.

How should 4-Ethylphenol (CAS: 123-07-9) be stored?

4-Ethylphenol (CAS: 123-07-9) should be stored in a cool, dry, and well-ventilated area, away from light. It is stable under normal conditions but requires airtight containers to prevent moisture absorption. Storage in glass or HDPE vessels is recommended, and it should be kept separate from strong oxidizers or acids to maintain safety and chemical integrity.