Skip to main content

2,4-Dichlorophenoxyacetic acid

ADVERTISEMENT
Identification
Molecular formula
C8H6Cl2O3
CAS number
94-75-7
IUPAC name
2-(3,5-dichlorophenoxy)acetic acid
State
State

At room temperature, 2,4-Dichlorophenoxyacetic acid is typically a solid.

Melting point (Celsius)
140.50
Melting point (Kelvin)
413.65
Boiling point (Celsius)
160.00
Boiling point (Kelvin)
433.15
General information
Molecular weight
221.04g/mol
Molar mass
221.0460g/mol
Density
1.5630g/cm3
Appearence

2,4-Dichlorophenoxyacetic acid appears as a white to off-white crystalline solid. It may have a faint phenolic odor. It is often found in the form of its sodium, dimethylammonium, or isopropyl ester salts in commercial products.

Comment on solubility

Solubility of 2-(3,5-dichlorophenoxy)acetic acid

2-(3,5-dichlorophenoxy)acetic acid, commonly known as a herbicide, exhibits interesting solubility characteristics:

  • It is moderately soluble in water. The presence of the carboxylic acid group increases its hydrophilicity, allowing it to dissolve in aqueous solutions.
  • In organic solvents, such as ethanol or acetone, 2-(3,5-dichlorophenoxy)acetic acid shows greater solubility due to its nonpolar aromatic structure.
  • The solubility can be influenced by pH levels, as the ionization of the carboxylic acid group can enhance solubility in alkaline conditions.

It's important to note that a compound's solubility often dictates its biological activity and environmental behavior, particularly in agricultural applications where solubility can affect its efficacy and runoff potential.

Interesting facts

Interesting Facts about 2-(3,5-Dichlorophenoxy)acetic Acid

2-(3,5-Dichlorophenoxy)acetic acid, commonly known as 2,4-D, is a noteworthy compound primarily known for its role in agriculture. Here are some captivating details about this compound:

  • Herbicide Properties: This compound is primarily used as a selective herbicide that targets broadleaf weeds while leaving grasses unharmed. Its ability to mimic plant hormones allows it to disrupt the growth of unwanted plants effectively.
  • Environmental Impact: As with many chemical compounds, there are ongoing discussions about its environmental impact, particularly concerning its residual effects in soil and water. Studies continue to assess its behavior in ecosystems and its degradation over time.
  • History: First synthesized in the 1940s, 2,4-D became one of the first chemical herbicides to gain wide acceptance, revolutionizing weed management in agriculture.
  • Use in Forestry: Beyond agriculture, this compound plays a significant role in forestry practices. It helps in controlling invasive plant species that threaten forest ecosystems, aiding in the regeneration of native flora.

“Chemistry is not just about chemicals, but about the stories they tell and the problems they solve.”

In conclusion, 2-(3,5-dichlorophenoxy)acetic acid exemplifies how a single compound can have profound implications in agricultural practices, environmental science, and even forestry. Its unique properties make it a significant study focus for chemists and environmentalists alike.

Synonyms
2-(3,5-dichlorophenoxy)acetic acid
991-288-5
587-64-4
(3,5-Dichlorophenoxy)acetic acid
3,5-DICHLOROPHENOXYACETIC ACID
Acetic acid, (3,5-dichlorophenoxy)-
NSC 190561
SCHEMBL5274567
DTXSID40207399
LXWGIMHMQOCPCR-UHFFFAOYSA-N
2-(3,5-dichlorophenoxy)aceticacid
AAA58764
(3,5-dichloro-phenoxy)-acetic acid
NSC190561
2-(3,5-dichlorophenoxyl)acetic acid
AKOS008136952
NSC-190561
DB-354748
CS-0264730
EN300-94265
A50586
AJ-087/41885639
Z441805200