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Atomfair 4-Ethylbenzoic Acid p-Ethylbenzoic acid C9H10O2 CAS 619-64-7

4-Ethylbenzoic Acid (CAS No. 619-64-7) is a high-purity organic compound with the molecular formula C9H10O2and IUPAC name 4-ethylbenzoic acid . This white to off-white crystalline powder is a derivative of benzoic acid, featuring an ethyl substituent at the para position of the benzene ring. With a molecular weight of 150.17 g/mol, it is widely utilized in pharmaceutical synthesis, organic intermediate production, and material science research. Our product is rigorously tested for purity (typically ≥98% by HPLC or GC analysis) and is supplied in sealed containers to ensure stability and prevent moisture absorption. Ideal for researchers in medicinal chemistry, catalysis, and…

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Description

4-Ethylbenzoic Acid (CAS No. 619-64-7) is a high-purity organic compound with the molecular formula C9H10O2 and IUPAC name 4-ethylbenzoic acid. This white to off-white crystalline powder is a derivative of benzoic acid, featuring an ethyl substituent at the para position of the benzene ring. With a molecular weight of 150.17 g/mol, it is widely utilized in pharmaceutical synthesis, organic intermediate production, and material science research. Our product is rigorously tested for purity (typically ≥98% by HPLC or GC analysis) and is supplied in sealed containers to ensure stability and prevent moisture absorption. Ideal for researchers in medicinal chemistry, catalysis, and polymer science, this compound is available in quantities ranging from grams to kilograms to meet both lab-scale and industrial demands.

Properties

  • CAS Number: 619-64-7
  • Complexity: 134
  • IUPAC Name: 4-ethylbenzoic acid
  • InChI: InChI=1S/C9H10O2/c1-2-7-3-5-8(6-4-7)9(10)11/h3-6H,2H2,1H3,(H,10,11)
  • InChI Key: ZQVKTHRQIXSMGY-UHFFFAOYSA-N
  • LogP: 2.89
  • Exact Mass: 150.068079557
  • Molecular Formula: C9H10O2
  • Molecular Weight: 150.17
  • SMILES: CCC1=CC=C(C=C1)C(=O)O
  • Topological: 37.3
  • Monoisotopic Mass: 150.068079557
  • Physical Description: Solid
  • Melting Point: 112 – 113 °C
  • Synonyms: 4-ETHYLBENZOIC ACID, 619-64-7, p-Ethylbenzoic acid, Benzoic acid, 4-ethyl-, UNII-9TKM8P0G6R, 9TKM8P0G6R, Benzoic acid, p-ethyl-, EINECS 210-605-3, NSC 59888, NSC-59888, DTXSID3073212, ZQVKTHRQIXSMGY-UHFFFAOYSA-, DTXCID1043178, 210-605-3, inchi=1/c9h10o2/c1-2-7-3-5-8(6-4-7)9(10)11/h3-6h,2h2,1h3,(h,10,11), zqvkthrqixsmgy-uhfffaoysa-n, 4-Ethyl Benzoic acid, 4-ethylbenzoate, 4-Ethyl-benzoic acid, MFCD00002570, CHEBI:90074, 4-EthylbenzoicAcid, p-Ethylbenzoate, 4-Ethyl Benzoate, EGM, NSC59888, Maybridge1_002160, 4-Ethylbenzoic acid, 99%, SAMPL4, O3, SCHEMBL19901, MLS000849800, SCHEMBL129853, CHEMBL100768, SCHEMBL2163680, SCHEMBL2945926, SCHEMBL9177340, SCHEMBL9631560, HMS547K04, BDBM197304, HMS2799N19, STR02825, CK2173, SBB037877, STL168364, AKOS000119402, FE38191, PS-4186, SB66834, NCGC00246660-01, SMR000455818, ST081376, SY002548, CS-0030581, E0379, NS00010673, EN300-20513, AE-641/00011036, Q27162300, F0001-1646, Z104478474

Application

4-Ethylbenzoic Acid serves as a key intermediate in the synthesis of pharmaceuticals, agrochemicals, and liquid crystal materials. It is employed in organic reactions such as esterification and amidation due to its reactive carboxyl group. Researchers also use it as a building block for designing metal-organic frameworks (MOFs) and other functional materials.

Safety and Hazards

GHS Hazard Statements

  • H315 (43.8%): Causes skin irritation [Warning Skin corrosion/irritation]
  • H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
  • H335 (37.5%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

  • P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

Hazard Classes and Categories

  • Skin Irrit. 2 (43.8%)
  • Eye Irrit. 2A (100%)
  • STOT SE 3 (37.5%)

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

Disclaimer

Intended Use & Restrictions

This product is sold exclusively for laboratory research, analytical testing, or non-commercial purposes.

  • Strictly prohibited: Resale, repackaging, or formulation into commercial products.
  • Not approved for human/animal use, diagnostics, or manufacturing (including pharmaceuticals, agrochemicals, or consumer goods).

Patent & Regulatory Compliance

Certain molecules may be protected by active patents or regulatory restrictions.

  • Buyers must independently verify patent status (e.g., via USPTO/EPO/CNIPA) and comply with local laws.
  • Atomfair LLC does not provide legal assurances regarding patent non-infringement or jurisdictional compliance.

Liability Release

By purchasing, the buyer agrees to:

  • Use this product only as permitted by law.
  • Indemnify Atomfair LLC against all claims arising from misuse, patent infringement, or regulatory violations.

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