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Atomfair 2-Chlorophenoxyacetic acid 2-CPA, o-CPA C8H7ClO3 CAS 614-61-9

2-Chlorophenoxyacetic acid (CAS No. 614-61-9) is a chlorinated phenoxy derivative of acetic acid with the molecular formula C8H7ClO3. This white to off-white crystalline solid is widely used in plant growth regulation and agricultural research due to its auxin-like activity. As a synthetic plant hormone, it exhibits high purity (>98%) and stability under recommended storage conditions (room temperature, dry environment). The compound is soluble in organic solvents like ethanol and acetone but has limited solubility in water. Researchers value this product for its consistent performance in studies involving cell elongation, root initiation, and fruit setting. Proper handling with gloves and eye…

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Description

2-Chlorophenoxyacetic acid (CAS No. 614-61-9) is a chlorinated phenoxy derivative of acetic acid with the molecular formula C8H7ClO3. This white to off-white crystalline solid is widely used in plant growth regulation and agricultural research due to its auxin-like activity. As a synthetic plant hormone, it exhibits high purity (>98%) and stability under recommended storage conditions (room temperature, dry environment). The compound is soluble in organic solvents like ethanol and acetone but has limited solubility in water. Researchers value this product for its consistent performance in studies involving cell elongation, root initiation, and fruit setting. Proper handling with gloves and eye protection is advised due to potential irritant properties.

Properties

  • CAS Number: 614-61-9
  • Complexity: 160
  • IUPAC Name: 2-(2-chlorophenoxy)acetic acid
  • InChI: InChI=1S/C8H7ClO3/c9-6-3-1-2-4-7(6)12-5-8(10)11/h1-4H,5H2,(H,10,11)
  • InChI Key: OPQYFNRLWBWCST-UHFFFAOYSA-N
  • LogP: log Kow = 1.86
  • Exact Mass: 186.0083718
  • Molecular Formula: C8H7ClO3
  • Molecular Weight: 186.59
  • SMILES: C1=CC=C(C(=C1)OCC(=O)O)Cl
  • Topological: 46.5
  • Monoisotopic Mass: 186.0083718
  • Physical Description: Solid; White powder;
  • Color/Form: Needles from water or alc
  • Melting Point: 148.5 °C
  • Solubility: In water, 1,280 mg/L at 25 °C
  • Vapor Pressure: 0.000318 [mmHg]
  • Dissociation Constants: pKa = 3.05
  • Synonyms: 2-CHLOROPHENOXYACETIC ACID, 614-61-9, (2-Chlorophenoxy)acetic acid, o-Chlorophenoxyacetic acid, Acetic acid, (2-chlorophenoxy)-, Acetic acid, (o-chlorophenoxy)-, Acide o-chlorophenoxyacetique, Acetic acid, o-chlorophenoxy-, HSDB 3942, NSC 8454, EINECS 210-388-5, Acide o-chlorophenoxyacetique [French], BRN 1103151, Acetic acid, o-(chlorophenoxy)-, AI3-16647, X2512M5L7Q, NSC-8454, Acetic acid, 2-(2-chlorophenoxy)-, DTXSID00210324, 4-06-00-00796 (Beilstein Handbook Reference), 2-CHLOROPHENOXYACETIC ACID [HSDB], oChlorophenoxyacetic acid, Acide ochlorophenoxyacetique, Acetic acid, ochlorophenoxy, (2Chlorophenoxy)acetic acid, Acetic acid, (2chlorophenoxy), DTXCID00132815, Acetic acid, (2-chlorophenoxy)-(9CI), 210-388-5, 2-(2-chlorophenoxy)acetic acid, Acetic acid, (chlorophenoxy)-, 27193-83-5, MFCD00004298, UNII-X2512M5L7Q, WLN: GR BO1VQ, o-chlorophenoxy acetic acid, (2-Chlorophenoxy)aceticacid, (o-Chlorophenoxy)acetic acid, SCHEMBL101520, SCHEMBL2317153, SCHEMBL9449953, (2-chloro-phenoxy)-acetic acid, CHEMBL3247401, OPQYFNRLWBWCST-UHFFFAOYSA-, NSC8454, ALBB-000807, BBL012541, SBB004546, STK397860, AKOS000103037, FD10490, (2-Chlorophenoxy)acetic acid, AldrichCPR, VS-03379, DB-053897, NS00034692, ST45044392, EN300-17821, 2-Chlorophenoxyacetic acid, analytical standard, AC-907/34106001, AF-615/00098053, Q27293383, Z57042068, F1723-0227, InChI=1/C8H7ClO3/c9-6-3-1-2-4-7(6)12-5-8(10)11/h1-4H,5H2,(H,10,11)

Application

2-Chlorophenoxyacetic acid serves as a plant growth regulator in agricultural research, particularly for studying auxin-like effects on cell elongation and division. It finds application in tissue culture media formulations to promote callus growth and root development. The compound is also used in fruit setting studies to prevent premature fruit drop in various crops. Researchers employ it as a chemical tool to investigate herbicide mechanisms and plant hormone pathways.

Safety and Hazards

GHS Hazard Statements

  • H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
  • H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
  • H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
  • H335 (97.8%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

  • P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

Hazard Classes and Categories

  • Acute Tox. 4 (100%)
  • Skin Irrit. 2 (100%)
  • Eye Irrit. 2 (100%)
  • STOT SE 3 (97.8%)

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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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