92397

2,3-Dichlorophenoxyacetic acid

PESTANAL^®, analytical standard

• Synonym(s): 2,3-D
• Empirical Formula (Hill Notation): C₈H₆Cl₂O₃
• CAS Number: 2976-74-1
• Molecular Weight: 221.04
• Beilstein/REAXYS Number: 1963475
• MDL number: MFCD00004299
• UNSPSC Code: 12352200
• PubChem Substance ID: 329770123

Properties

• grade: analytical standard
• Quality Level: 100
• product line: PESTANAL^®
• assay: ≥98.0% (GC)
• shelf life: limited shelf life, expiry date on the label
• mp: 170-175 °C
• format: neat
• SMILES string: OC(=O)COc1cccc(Cl)c1Cl
• InChI: 1S/C8H6Cl2O3/c9-5-2-1-3-6(8(5)10)13-4-7(11)12/h1-3H,4H2,(H,11,12)
• InChI key: RBJIGQRZLITQJG-UHFFFAOYSA-N

Description

General description

2,3-Dichlorophenoxyacetic acid (2,3-D) is a growth inactive auxin analog of 2,4-dichlorophenoxyacetic acid (2,4-D).

Application

2,3-Dichlorophenoxyacetic acid may be used as an internal standard in the following:

• Analysis of 2,4-dichlorophenoxyacetic acid and 2-methyl-4-chlorophenoxyacetic acid in human urine samples using high-performance liquid chromatography coupled to diode array detector (HPLC-DAD) and gas chromatography with electron capture detection (GC-ECD).
• Determination of acidic pharmaceuticals and endocrine disrupting compounds in untreated wastewaters and spring waters using gas chromatography coupled to mass spectrometry (GC-MS).

Legal Information

PESTANAL is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 3