Description

4-Ethylphenol (CAS No. 123-07-9) is an organic compound with the molecular formula C₈H₁₀O, classified as a substituted phenol. This high-purity aromatic compound is widely utilized in research and industrial applications due to its distinct phenolic properties. It appears as a colorless to pale yellow liquid with a characteristic phenolic odor and is soluble in organic solvents such as ethanol, ether, and benzene.

Our 4-Ethylphenol is rigorously tested to ensure superior quality, with purity levels suitable for analytical standards, chemical synthesis, and specialty applications. It is commonly employed as a precursor in the synthesis of fragrances, pharmaceuticals, and agrochemicals. Proper storage in a cool, dry, and well-ventilated area is recommended to maintain stability.

Key synonyms include p-Ethylphenol and Phenol, 4-ethyl-, as listed in the IUPAC nomenclature. Available in various packaging options to meet laboratory-scale and bulk requirements, this compound is ideal for researchers and scientists seeking reliable phenolic derivatives.

Properties

• CAS Number: 123-07-9
• Complexity: 72.6
• IUPAC Name: 4-ethylphenol
• InChI: InChI=1S/C8H10O/c1-2-7-3-5-8(9)6-4-7/h3-6,9H,2H2,1H3
• InChI Key: HXDOZKJGKXYMEW-UHFFFAOYSA-N
• LogP: Log Kow = 2.58
• Exact Mass: 122.073164938
• Molecular Formula: C8H10O
• Molecular Weight: 122.16
• SMILES: CCC1=CC=C(C=C1)O
• Topological: 20.2
• Monoisotopic Mass: 122.073164938
• Physical Description: Liquid
• Color/Form: COLORLESS OR WHITE NEEDLES; TEND TO YELLOW ON EXPOSURE TO LIGHT
• Odor: POWERFUL WOODY-PHENOLIC, YET SOMEWHAT SWEET
• Taste: SWEET SMOKEY
• Boiling Point: 217.9 °C
• Melting Point: 46 °C
• Flash Point: 104 °C
• Solubility: SLIGHTLY SOL IN WATER; SOL IN ALC, ETHER, & BENZENE; SOL IN CARBON DISULFIDE, & ACETONE
• Density: 1.011 @ 20 °C
• Vapor Pressure: 0.03 [mmHg]
• Refractive Index: INDEX OF REFRACTION: 1.5239 @ 25 °C
• Dissociation Constants: pK = 10.38 @ 20 °C
• Synonyms: 4-ETHYLPHENOL, 123-07-9, p-Ethylphenol, Phenol, 4-ethyl-, Phenol, p-ethyl-, 1-Ethyl-4-hydroxybenzene, 1-Hydroxy-4-ethylbenzene, para-Ethylphenol, 4-Hydroxyphenylethane, Paraethylphenol, 4-Hydroxyethylbenzene, Hydroxyphenylethane, p-, FEMA No. 3156, Phenol, 3(or 4)-ethyl-, HSDB 5598, AGG7E6G0ZC, EINECS 204-598-6, NSC 62012, BRN 1363317, 29471-88-3, DTXSID4021977, CHEBI:49584, AI3-26063, 4-ETILFENOL, (4-hydroxyphenyl)ethane, BENZENE,1-ETHYL,4-HYDROXY, NSC-62012, P-HYDROXYETHYLBENZENE, P-ETHYLPHENOL [FHFI], 4-ETHYLPHENOL [HSDB], (P-HYDROXYPHENYL)ETHANE, DTXCID801977, 4-06-00-03020 (Beilstein Handbook Reference), P-ETHYLPHENOL [EP IMPURITY], METACRESOL IMPURITY K [EP IMPURITY], P-ETHYLPHENOL (EP IMPURITY), METACRESOL IMPURITY K (EP IMPURITY), pEthylphenol, Phenol, pethyl, Phenol, 4ethyl, 4Hydroxyethylbenzene, 4Hydroxyphenylethane, 1Ethyl4hydroxybenzene, 1Hydroxy4ethylbenzene, Hydroxyphenylethane, p, 204-598-6, inchi=1/c8h10o/c1-2-7-3-5-8(9)6-4-7/h3-6,9h,2h2,1h, 4-ethyl-phenol, MFCD00002393, 4-ethyl phenol, CAS-123-07-9, UNII-AGG7E6G0ZC, p-ethyl phenol, 4-ethyl- phenol, 4-ethyl-phenyl alcohol, 2ra6, 4-Ethylphenol, 99%, bmse000681, SCHEMBL28713, BIDD:ER0028, SCHEMBL216528, SCHEMBL722678, CHEMBL108475, SCHEMBL1496508, SCHEMBL3601381, SCHEMBL5711195, SCHEMBL6847580, SCHEMBL7230789, SGCUT00257, 4-Ethylphenol, >=98%, FG, NSC62012, to_000047, Tox21_201533, Tox21_302986, p-Ethylphenol, 4-Hydroxyphenylethane, s6308, SBB057513, STL194291, 4-Ethylphenol, >=97.0% (GC), AKOS000120205, CCG-356389, CS-W013552, FE61833, HY-W012836, NCGC00249062-01, NCGC00256558-01, NCGC00259083-01, BS-14729, 4-Ethylphenol 10 microg/mL in Acetonitrile, 4-Ethylphenol 1000 microg/mL in Methanol, DB-003481, E0159, NS00010739, ST50331802, EN300-20678, D70486, 4-Ethylphenol, PESTANAL(R), analytical standard, Q409853, F1908-0166, Z104479728, 152399-67-2, ETY

Application

4-Ethylphenol is widely used as an intermediate in the synthesis of fragrances, pharmaceuticals, and specialty chemicals. It serves as a key precursor in the production of resins, antioxidants, and flavoring agents. Additionally, it is employed in microbiological studies due to its role as a microbial metabolite in certain fermentation processes. Researchers also utilize it in analytical chemistry as a reference standard for chromatographic applications.

Safety and Hazards

GHS Hazard Statements

• H318: Causes serious eye damage [Danger Serious eye damage/eye irritation]
• H401: Toxic to aquatic life [Hazardous to the aquatic environment, acute hazard]

Precautionary Statements

• P264+P265, P273, P280, P305+P354+P338, P317, and P501

Hazard Classes and Categories

• Skin Corr. 1C (86%)
• Eye Dam. 1 (81.3%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.