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2,4-D and 2,4,5-T

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Identification
Molecular formula
C8H6Cl2O3 (2,4-D); C8H5Cl3O3 (2,4,5-T)
CAS number
94-75-7 (2,4-D); 93-76-5 (2,4,5-T)
IUPAC name
2-(2,4-dichlorophenoxy)acetic acid;2-(2,4,5-trichlorophenoxy)acetic acid
State
State

2,4-D: At room temperature, this compound typically exists as a solid.

2,4,5-T: It also exists as a solid under standard conditions.

Melting point (Celsius)
138.00
Melting point (Kelvin)
411.15
Boiling point (Celsius)
160.00
Boiling point (Kelvin)
433.15
General information
Molecular weight
221.05g/mol
Molar mass
221.0450g/mol
Density
1.5680g/cm3
Appearence

2,4-D: The compound appears as white to slightly yellow crystals. It can also be formed as an off-white powder or crystalline solid.

2,4,5-T: This compound is a colorless to white crystalline solid. It might appear as a white crystalline powder.

Comment on solubility

Solubility of 2-(2,4-dichlorophenoxy)acetic acid and 2-(2,4,5-trichlorophenoxy)acetic acid

The solubility of 2-(2,4-dichlorophenoxy)acetic acid and 2-(2,4,5-trichlorophenoxy)acetic acid in various solvents can vary significantly due to the presence of halogen substituents in their molecular structure.

Solvent Characteristics

  • Water: Both compounds display limited solubility in water, mainly due to their hydrophobic aromatic rings and bulky substituents.
  • Organic Solvents: They tend to dissolve better in organic solvents such as ethanol, acetone, or chloroform, which can interact more favorably with their non-polar characteristics.

The presence of chlorine atoms contributes to the overall polarity of the compounds, impacting their interactions with solvents. As you consider the solubility profiles, it becomes evident that:

  • Increased chlorine content: The substitution of hydrogen atoms in the phenoxy groups with chlorine can enhance intermolecular interactions in non-polar solvents.
  • Environmental Factors: The solubility might also be affected by pH levels, temperature, and the presence of co-solvents.

In summary, while both 2-(2,4-dichlorophenoxy)acetic acid and 2-(2,4,5-trichlorophenoxy)acetic acid possess low solubility in aqueous environments, their solubility is significantly improved in organic solvents, making them versatile in various chemical applications. Understanding these solubility properties is crucial for their effective utilization in industrial and laboratory settings.

Interesting facts

Exploring 2-(2,4-Dichlorophenoxy)acetic Acid and 2-(2,4,5-Trichlorophenoxy)acetic Acid

Both 2-(2,4-dichlorophenoxy)acetic acid and 2-(2,4,5-trichlorophenoxy)acetic acid are widely recognized for their roles in agriculture, particularly as herbicides. Here are some fascinating insights into these compounds:

Key Highlights

  • Herbicide Applications: These compounds are primarily used to control broadleaf weeds in various crops, including cereals and grasslands. Their selective nature allows for effective weed management without harming certain desirable plants.
  • Growth Regulators: Apart from their herbicidal properties, both compounds can influence plant growth. They mimic the action of natural plant hormones known as auxins, aiding in the regulation of processes like cell elongation and division.
  • Environmental Considerations: Like many chemicals used in agriculture, they come with ecological concerns. Their persistence in the environment and potential effects on non-target species have generated interest in studying their impact on biodiversity.

As a curious fact: studies have shown that the structure of these compounds contributes to their activity; the presence of chlorine atoms enhances their stability and effectiveness in disrupting weed growth.

Research and Development

Ongoing research continues to evaluate the efficacy and safety of these compounds. Scientists are examining ways to optimize their usage to minimize environmental impacts while ensuring effective weed control. Additionally, the development of new formulations that enhance delivery mechanisms is a subject of great interest.

In conclusion, 2-(2,4-dichlorophenoxy)acetic acid and 2-(2,4,5-trichlorophenoxy)acetic acid are not just important agricultural tools but also fascinating examples of how synthetic chemicals can mimic natural processes to solve practical problems in farming.

Synonyms
8015-35-8
2,4-D mixt. with 2,4,5-T
2-(2,4-dichlorophenoxy)acetic acid;2-(2,4,5-trichlorophenoxy)acetic acid
Hormoslyr 64
2,4-D AND 2,4,5-T (2:1)
SCHEMBL6072976
DTXSID60897332
Acetic acid, (2,4-dichlorophenoxy)-, mixt. with (2,4,5-trichlorophenoxy)acetic acid