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2,4-Dichlorobenzoic acid

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Identification
Molecular formula
C7H4Cl2O2
CAS number
50-84-0
IUPAC name
2,4-dichlorobenzoic acid
State
State

At room temperature, 2,4-Dichlorobenzoic acid is in a solid state. It is generally stable and non-volatile under standard conditions.

Melting point (Celsius)
157.00
Melting point (Kelvin)
430.15
Boiling point (Celsius)
305.00
Boiling point (Kelvin)
578.15
General information
Molecular weight
191.00g/mol
Molar mass
191.0070g/mol
Density
1.5800g/cm3
Appearence

2,4-Dichlorobenzoic acid is typically a white crystalline solid. It may appear fluffy or as fine powder, depending on the granulation. Under certain conditions, it is known to form larger, colorless crystals.

Comment on solubility

Solubility of 2,4-Dichlorobenzoic Acid (C7H4Cl2O2)

2,4-Dichlorobenzoic acid is a fascinating compound when it comes to its solubility properties. It exhibits varying degrees of solubility depending on the solvent used:

  • In Water: This compound has limited solubility, typically in the range of 0.1-1 g/L at room temperature. This low solubility can be attributed to the presence of the aromatic ring and halogen substitutions, which hinder its ability to interact favorably with water molecules.
  • In Organic Solvents: 2,4-Dichlorobenzoic acid shows significantly improved solubility in organic solvents such as ethanol, acetone, and ethyl acetate. Solvents like these allow for better interaction through hydrophobic interactions and hydrogen bonding.
  • Temperature Dependency: Its solubility is also temperature-dependent; as the temperature increases, solubility in both water and organic solvents generally tends to enhance, showcasing the importance of thermal energy in solvation processes.

To summarize, while 2,4-dichlorobenzoic acid demonstrates relatively poor solubility in water, it thrives in organic solvents, making it a versatile compound for various chemical applications. As noted, “the choice of solvent can dramatically influence the solubility of a compound,” highlighting the significance of solvent properties in solubility dynamics.

Interesting facts

Interesting Facts about 2,4-Dichlorobenzoic Acid

2,4-Dichlorobenzoic acid is a fascinating compound that blends the properties of chlorinated aromatic molecules with carboxylic acids. Here are some notable facts that create a deeper understanding of this compound:

  • Chemical Structure: This compound features two chlorine substituents attached to the benzene ring, specifically at the 2 and 4 positions. This positioning significantly influences the chemical reactivity and properties of the molecule.
  • Uses in Agriculture: As a herbicide, 2,4-dichlorobenzoic acid plays a crucial role in weed management. It is particularly effective against broadleaf weeds, making it an important tool for maintaining crop health.
  • Intermediate in Synthesis: This compound serves as an intermediate in the synthesis of various chemicals, including other herbicides and pharmaceuticals. Its reactivity allows for further chemical manipulation, yielding valuable products.
  • Environmental Considerations: Like many chlorinated compounds, 2,4-dichlorobenzoic acid raises concerns regarding environmental persistence and bioaccumulation. Scientists are actively studying its ecological effects and exploring safer alternatives.
  • Historical Context: The compound made its mark in the mid-20th century and is often referenced in the context of historical agrochemical developments. Its usage has prompted discussions about the balance between agricultural productivity and environmental stewardship.

In summary, 2,4-dichlorobenzoic acid is not merely a chemical formula; it embodies a rich interaction between science, agriculture, and environmental health. As the field of chemistry evolves, understanding such compounds becomes imperative in addressing broader ecological challenges.

Synonyms
2,4-DICHLOROBENZOIC ACID
50-84-0
Benzoic acid, 2,4-dichloro-
NSC 578
EINECS 200-067-8
BRN 1868192
CCRIS 9472
DTXSID0024977
UNII-0SR0320D45
CHEBI:30748
AI3-14873
NSC-578
2,4-Dichlorbenzoic acid
MFCD00002414
0SR0320D45
DTXCID104977
4-09-00-00998 (Beilstein Handbook Reference)
DICHLOROBENZOIC ACID, 2,4-
2,4-Dichlorobenzoicacid
FUROSEMIDE IMPURITY E [EP IMPURITY]
FUROSEMIDE IMPURITY E (EP IMPURITY)
2,4 dichlorobenzoic acid
2,4-Dichloro-benzoic acid
2,4-DCBA
2,4-Dichlorobenzoic Acid; Furosemide Imp. E (EP); 2,4-Dichlorobenzyl Alcohol Impurity E; Furosemide Impurity E
WLN: QVR BG DG
bmse000672
C06670
SCHEMBL111279
NSC578
CHEMBL1492029
2,4-Dichlorobenzoic acid, 98%
STR01599
Tox21_200756
STK297837
AKOS000119754
CS-W013226
FD39142
PS-4049
CAS-50-84-0
NCGC00091214-01
NCGC00091214-02
NCGC00091214-03
NCGC00258310-01
AC-22899
SY007062
D0337
NS00010527
EN300-18039
D77744
AB01333124-02
AG-617/02198062
Q27104142
Z57127531
F2191-0069
2,4-Dichlorobenzoic acid, PESTANAL(R), analytical standard
200-067-8