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Atomfair 3-Ethoxyaniline m-Phenetidine C8H11NO CAS 621-33-0

3-Ethoxyaniline (CAS No. 621-33-0) is a high-purity aromatic amine with the molecular formula C8H11NO . This compound, also known as m-Phenetidine , is a versatile intermediate widely used in organic synthesis, pharmaceuticals, and dye manufacturing. Its structure features an ethoxy group (-OCH2CH3) meta-positioned to an amino group (-NH2) on a benzene ring, offering unique reactivity for electrophilic substitution and coupling reactions. Our product is rigorously tested to ensure ≥98% purity (GC) and is supplied as a clear to pale yellow liquid with a characteristic amine odor. Suitable for research and industrial applications, it is packaged under inert gas to prevent…

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Description

3-Ethoxyaniline (CAS No. 621-33-0) is a high-purity aromatic amine with the molecular formula C8H11NO. This compound, also known as m-Phenetidine, is a versatile intermediate widely used in organic synthesis, pharmaceuticals, and dye manufacturing. Its structure features an ethoxy group (-OCH2CH3) meta-positioned to an amino group (-NH2) on a benzene ring, offering unique reactivity for electrophilic substitution and coupling reactions. Our product is rigorously tested to ensure ≥98% purity (GC) and is supplied as a clear to pale yellow liquid with a characteristic amine odor. Suitable for research and industrial applications, it is packaged under inert gas to prevent oxidation and degradation. Store in a cool, dry place away from light and oxidizing agents.

Properties

  • CAS Number: 621-33-0
  • Complexity: 95.3
  • IUPAC Name: 3-ethoxyaniline
  • InChI: InChI=1S/C8H11NO/c1-2-10-8-5-3-4-7(9)6-8/h3-6H,2,9H2,1H3
  • InChI Key: WEZAHYDFZNTGKE-UHFFFAOYSA-N
  • Exact Mass: 137.084063974
  • Molecular Formula: C8H11NO
  • Molecular Weight: 137.18
  • SMILES: CCOC1=CC=CC(=C1)N
  • Topological: 35.3
  • Monoisotopic Mass: 137.084063974
  • Physical Description: M-phenetidine is a dark red liquid.
  • Boiling Point: 478 °F at 760 mmHg
  • Flash Point: greater than 235 °F
  • Solubility: 1 to 5 mg/mL at 68 °F
  • Density: 1.032 – Denser than water; will sink
  • Vapor Pressure: 1 mmHg at 153 °F ; 5 mmHg at 202.5 °F; 760 mmHg at 442 °F
  • Synonyms: 3-ETHOXYANILINE, m-Phenetidine, 621-33-0, Benzenamine, 3-ethoxy-, m-Ethoxyaniline, 3-Ethoxybenzenamine, (3-ethoxyphenyl)amine, CCRIS 4696, 3-Phenetidine, NSC 9817, EINECS 210-680-2, XE9KKL972R, BRN 0971028, DTXSID0025862, AI3-15397, PHENETIDINE, M-, NSC-9817, M-ETHOXYPHENYLAMINE, DTXCID705862, 3-AMINOPHENYL ETHYL ETHER, 4-13-00-00954 (Beilstein Handbook Reference), metaPhenetidine, 3ethoxyaniline, meta-phenetidine, metaEthoxyaniline, methoxyphenylamine, 3Ethoxybenzenamine, mAminoethoxybenzene, 3Aminoethoxybenzene, Benzenamine, 3ethoxy, META-ETHOXYANILINE, M-AMINOETHOXYBENZENE, 3-AMINOETHOXYBENZENE, 210-680-2, inchi=1/c8h11no/c1-2-10-8-5-3-4-7(9)6-8/h3-6h,2,9h2,1h, 3-ethoxyphenylamine, UNII-XE9KKL972R, 3-ethoxy-aniline, NSC9817, 3-ethoxy-phenylamine, aniline, 3-ethoxy-, 3-Ethoxyaniline, 98%, 3-ethoxyaniline;m-Phenetidine, MLS002303035, BIDD:GT0168, SCHEMBL112380, SCHEMBL653254, SCHEMBL6602231, SCHEMBL7227995, SCHEMBL7467718, CHEMBL1466168, SCHEMBL10858288, SCHEMBL27926026, HMS3039P08, CS-B0033, Tox21_200997, MFCD00007785, SBB059860, AKOS000136944, s10428, NCGC00091613-01, NCGC00091613-02, NCGC00258550-01, AS-11795, CAS-621-33-0, SMR001307326, DB-054070, NS00034930, ST51046123, EN300-49840, A833599, Q27293804, Z239604752

Application

3-Ethoxyaniline serves as a key intermediate in the synthesis of dyes, pigments, and pharmaceutical compounds. It is utilized in the preparation of azo dyes due to its ability to form diazonium salts. Researchers also employ it in the development of agrochemicals and as a building block for heterocyclic compounds. Its reactivity makes it valuable in coupling reactions and as a precursor for specialty chemicals.

Safety and Hazards

GHS Hazard Statements

  • H301 (51.3%): Toxic if swallowed [Danger Acute toxicity, oral]
  • H311 (51.3%): Toxic in contact with skin [Danger Acute toxicity, dermal]
  • H331 (51.3%): Toxic if inhaled [Danger Acute toxicity, inhalation]
  • H373 (51.3%): May causes damage to organs through prolonged or repeated exposure [Warning Specific target organ toxicity, repeated exposure]

Precautionary Statements

  • P260, P261, P262, P264, P270, P271, P280, P301+P316, P302+P352, P304+P340, P316, P319, P321, P330, P361+P364, P403+P233, P405, and P501

Hazard Classes and Categories

  • Acute Tox. 3 (51.3%)
  • Acute Tox. 3 (51.3%)
  • Acute Tox. 3 (51.3%)
  • STOT RE 2 (51.3%)

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

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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