2307-55-3

Basic information

• Product Name: ammonium 2,4-dichlorophenoxyacetate
• Synonyms: ammonium 2,4-dichlorophenoxyacetate;Acetic acid, (2,4-dichlorophenoxy)-, ammonium salt;2,4-DICHLOROPHENOXYACETICACIDAMMONIUMSALT;2,4-DAMMONIUMSALT;2-(2,4-Dichlorophenoxy)acetic acid ammonium salt
• CAS NO: 2307-55-3
• Molecular Formula: C₈H₆Cl₂O₃*H₃N
• Molecular Weight: 238.06796
• EINECS: 218-986-8
• Product Categories: Pharmaceutical Raw Materials
• Mol File: 2307-55-3.mol
• Article Data: 1

Chemical Properties

• Boiling Point: 398 °C at 760 mmHg
• Flash Point: 194.5 °C
• Appearance: White powder or off-white powder
• Density: 1.488g/cm3
• CAS DataBase Reference: ammonium 2,4-dichlorophenoxyacetate(CAS DataBase Reference)
• NIST Chemistry Reference: ammonium 2,4-dichlorophenoxyacetate(2307-55-3)
• EPA Substance Registry System: ammonium 2,4-dichlorophenoxyacetate(2307-55-3)

Safety Data

• Hazardous Substances Data: 2307-55-3(Hazardous Substances Data)

Usage

General Description

Ammonium 2,4-dichlorophenoxyacetate, also known as 2,4-D ammonium, is a synthetic herbicide that is commonly used to control broadleaf weeds in various agricultural and residential settings. It works by mimicking the plant growth hormone auxin, causing uncontrolled and abnormal plant growth, eventually leading to their death. Ammonium 2,4-dichlorophenoxyacetate is typically applied as a liquid spray and is effective against a wide range of weeds, including dandelions, clover, and thistle. However, it can also be toxic to non-target plants and has been linked to potential environmental and health risks, leading to increased regulation and restrictions on its use in many countries.

InChI:InChI=1/C8H6Cl2O3.H3N/c9-5-1-2-7(6(10)3-5)13-4-8(11)12;/h1-3H,4H2,(H,11,12);1H3

Upstream product

• 94-75-7 2,4-Dichlorophenoxyacetic acid 

Downstream Products

• 2702-72-9 sodium 2,4-dichlorophenoxyacetate 

Relevant articles and documents

Structure, thermal stability and magnetic behavior of Mn(II) complexes with phenoxyacetic acid herbicides

The reaction of manganese(II) chloride with ammonium salt of 4-chloro-2-methylphenoxyacetic acid (MCPA), 2,4-dichlorophenoxyacetic acid (2,4-D) and 4-bromophenoxyacetic acid (4-Br) gave rise to the formation of hydrated complexes with formulas: Mn(MCPA)2·2H2O, Mn(2,4-D)2·2H2O and Mn(4-Br)2·3H2O. The compounds were characterized by elemental and thermal analyses, spectroscopic methods, as well as, by magnetic measurements. The complexes crystallize in monoclinic system. The Mn(II) ion is surrounded by oxygen atoms (from carboxylate groups and water molecules) in the octahedral arrangement. Variable-temperature (1.8–300 K) magnetic susceptibility measurements showed that compounds obey the Curie-Weiss law and have the paramagnetic properties. Being heated up to 1173 K the complexes decompose in three steps - first to anhydrous compounds: Mn(MCPA)2/Mn(2,4-D)2/Mn(4-Br)2 through intermediate products: MnO/Mn2OCl2/Mn2OBr2 to the following oxides: Mn2O3/Mn3O4/Mn3O4. The X-ray single crystal structure analysis was performed for Mn(II) complex with 4-bromophenoxyacetic acid after its recrystallization from N,N-dimethylformamide. The formation of hexanuclear cluster of manganese(II) carboxylate with a hydrophobic exterior was observed.