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2,4-Dichlorophenoxyacetic acid

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Identification
Molecular formula
C8H6Cl2O3
CAS number
94-75-7
IUPAC name
2-(2,4-dichlorophenoxy)acetic acid;2-(2-hydroxyethylamino)ethanol
State
State

At room temperature, 2,4-Dichlorophenoxyacetic acid is typically in a solid state. It is stable under normal conditions and should be kept dry to maintain its crystalline structure.

Melting point (Celsius)
140.50
Melting point (Kelvin)
413.65
Boiling point (Celsius)
160.30
Boiling point (Kelvin)
433.45
General information
Molecular weight
221.04g/mol
Molar mass
221.0370g/mol
Density
1.5770g/cm3
Appearence

2,4-Dichlorophenoxyacetic acid is a white crystalline solid. It may appear as a colorless or slightly off-white substance. The crystalline nature gives it a glint under the right lighting conditions, and it is typically odorless.

Comment on solubility

Solubility of 2-(2,4-dichlorophenoxy)acetic acid; 2-(2-hydroxyethylamino)ethanol

The solubility of a compound like 2-(2,4-dichlorophenoxy)acetic acid; 2-(2-hydroxyethylamino)ethanol can be quite intriguing due to its dual nature. Several factors influence its solubility, and an understanding of these factors can provide deeper insights:

  • Polar and Nonpolar Components: This compound exhibits both hydrophilic (water-attracting) and hydrophobic (water-repelling) characteristics, which can lead to varying solubility in different solvents.
  • Aqueous Solubility: The acidic group (carboxylic acid) typically enhances solubility in water, especially at physiological pH. However, the presence of chlorophenoxy might reduce solubility due to steric hindrance.
  • Solvent Variability: It is important to observe solubility across different solvents; for instance, the compound may dissolve well in polar solvents like alcohols but less so in nonpolar solvents like hexane.
  • Temperature Effects: Increasing temperature can often enhance solubility, which may be relevant for applications involving this compound.
  • Functional Groups: The presence of hydroxyl and amino groups tends to promote hydrogen bonding, facilitating better solubility in polar environments.

In summary, while 2-(2,4-dichlorophenoxy)acetic acid; 2-(2-hydroxyethylamino)ethanol shows potential for solubility in aqueous media, its overall behavior will largely depend on the specific conditions such as pH, temperature, and the nature of the solvent. Thus, one might say, “A compound’s solubility is a fine balancing act influenced by both its molecular structure and the surrounding environment.”

Interesting facts

Interesting Facts about 2-(2,4-Dichlorophenoxy)acetic Acid and 2-(2-Hydroxyethylamino)ethanol

The compound 2-(2,4-dichlorophenoxy)acetic acid, often referred to as 2,4-D, is a widely recognized herbicide that has been used in agriculture for decades. Its primary function is to control broadleaf weeds in various crops. Here are some fascinating insights:

  • Selective Herbicide: Unlike non-selective herbicides that kill all vegetation, 2,4-D specifically targets dicotyledonous plants, making it safe for monocotyledonous crops like wheat and corn.
  • Historical Significance: 2,4-D was one of the first synthetic herbicides to be developed, introduced in the 1940s. Its use significantly revolutionized weed management practices in agriculture.
  • Mechanism of Action: This compound mimics the natural plant hormone auxin, leading to uncontrolled growth and eventual death of targeted weeds.
  • Environmental Considerations: Despite its effectiveness, the use of 2,4-D has raised concerns due to potential effects on non-target species and environmental persistence.

On the other hand, 2-(2-hydroxyethylamino)ethanol, known as HEAE, is a lesser-known compound markedly utilized in the synthesis of surfactants and as an emulsifying agent in various formulations. Here’s what makes it interesting:

  • Surfactant Properties: HEAE acts by lowering the surface tension between two immiscible phases, facilitating mixtures in products like cosmetics and detergents.
  • Applications in Pharmaceuticals: This compound serves as a building block in the production of active pharmaceutical ingredients (APIs) due to its ability to stabilize formulations.
  • pH Adjustment: With its hydroxyl groups, HEAE is frequently used to adjust the pH of formulations, ensuring product stability and efficacy.

In summary, both compounds exhibit distinct functionalities and applications, highlighting the diverse roles of chemical compounds in agricultural and industrial sciences. As scientists continue to innovate, understanding these compounds remains critical for both environmental stewardship and technological advancement.

Synonyms
2,4-Dichlorophenoxyacetic acid diethanolamine salt
2,4-D-diolamine
5742-19-8
2,4-D Diethanolamine salt
2,4-D-diolamine [ISO]
Caswell No. 315K
2,4-D Bis(2-hydroxyethyl)ammonium
2,4-D-Bis(2-hydroxyethyl)ammonium
EINECS 227-256-8
EPA Pesticide Chemical Code 030016
146FSC2RD0
CCRIS 8564
Diethanolamine 2,4-dichlorophenoxyacetate
2,4-D DIOLAMINE SALT
Acetic acid, (2,4-dichlorophenoxy)-, diethanolamine salt
DTXSID9034238
(2,4-DICHLOROPHENOXY)ACETIC ACID DIETHANOLAMINE
2,4-DICHLOROPHENOXYACETIC ACID DIETHANOLAMINE
DTXCID7014238
2-(2,4-dichlorophenoxy)acetic acid;2-(2-hydroxyethylamino)ethanol
UNII-146FSC2RD0
Bis(2-hydroxyethyl)ammonium 2,4-dichlorophenoxyacetate
SCHEMBL3236909
FDMDZIBZKGXZPT-UHFFFAOYSA-N
Q27251594