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2,5-Dichlorobenzoic acid

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Identification
Molecular formula
C7H4Cl2O2
CAS number
50-84-0
IUPAC name
2,5-dichlorobenzoic acid
State
State
At room temperature, 2,5-dichlorobenzoic acid is a solid. It is stable under normal conditions of storage and handling and should be protected from moisture.
Melting point (Celsius)
204.00
Melting point (Kelvin)
477.15
Boiling point (Celsius)
305.20
Boiling point (Kelvin)
578.35
General information
Molecular weight
191.01g/mol
Molar mass
191.0060g/mol
Density
1.6580g/cm3
Appearence

2,5-Dichlorobenzoic acid typically appears as a white crystalline powder. The crystals may vary in size depending on the conditions of crystallization, but generally, it is not hygroscopic and has a stable appearance. It is important to note that the compound should be handled with care to prevent dust formation.

Comment on solubility

Solubility of 2,5-Dichlorobenzoic Acid (C7H4Cl2O2)

2,5-Dichlorobenzoic acid, a chlorinated aromatic carboxylic acid, exhibits distinct solubility characteristics that are influenced by its chemical structure. The solubility properties can be summarized as follows:

  • In Polar Solvents: This compound is known to be sparingly soluble in water due to the presence of the carboxylic acid group, which can engage in hydrogen bonding; however, the chlorinated benzene ring diminishes overall solubility.
  • In Organic Solvents: It shows better solubility in organic solvents such as ethanol and acetone, where the non-polar characteristics of the aromatic ring can interact favorably with the solvent molecules.
  • Temperature Influence: As with many organic compounds, increasing the temperature generally enhances the solubility of 2,5-dichlorobenzoic acid. The solubility may vary significantly with temperature change.

It is also pertinent to note that the solubility can be impacted by the presence of additional ions or pH changes in the solution, as the ionized form of the acid may display improved solubility in aqueous solutions.

In conclusion, while 2,5-dichlorobenzoic acid has limited aqueous solubility, its behavior in organic solvents and the effect of temperature make it a compound of interest for various applications in research and industry.

Interesting facts

Interesting Facts about 2,5-Dichlorobenzoic Acid

2,5-Dichlorobenzoic acid is a fascinating compound that belongs to the class of benzoic acids, characterized by the presence of chlorine substituents on the benzene ring. Here are some captivating details about this compound:

  • Structure and Substitution: This compound features two chlorine atoms at the 2nd and 5th positions of the aromatic ring, influencing its chemical behavior and reactivity. The placement of these substituents plays a crucial role in its biological activity and environmental persistence.
  • Applications: 2,5-Dichlorobenzoic acid is utilized in various applications, including:
    • Pesticide formulation, particularly in herbicides.
    • Synthesis of pharmaceuticals and other organic compounds.
  • Environmental Impact: Due to its chlorine content, this compound can be persistent in the environment and may raise concerns regarding its ecological effects. The chlorinated compounds are notorious for bioaccumulation and potential toxicity, making studies on their environmental fate essential.
  • Research Significance: 2,5-Dichlorobenzoic acid is an important compound in scientific research, where it can act as a model for studying interactions involving chlorinated organic pollutants. It is often used as a reference point in toxicological studies.

In chemical research, the exploration of compounds like 2,5-dichlorobenzoic acid helps expand our understanding of both organic chemistry and environmental science. As one quote goes, "Chemistry is the science of transformation," and this compound exemplifies how small changes in molecular structure can lead to significant differences in behavior and application.

Synonyms
2,5-DICHLOROBENZOIC ACID
50-79-3
Benzoic acid, 2,5-dichloro-
2,5-dichlorobenzoicacid
KP7CMR0GSD
UNII-KP7CMR0GSD
EINECS 200-065-7
MFCD00002416
NSC 41889
BRN 0973353
CCRIS 8609
DTXSID5024978
AI3-33415
NSC-41889
2,5-Dichloro-benzoic acid
DTXCID504978
35915-19-6
CHEBI:132298
BENZOIC ACID,2,5-DICHLORO
DICHLOROBENZOIC ACID, 2,5-
2,5dichlorobenzoic acid
2.5-Dichlorobenzoic acid
WLN: QVR BG EG
2,5-dichloro benzoic acid
Benzoic acid, 2,5dichloro
Dichlorobenzoic acid, 2,5
SCHEMBL224469
CHEMBL326312
2,5-Dichlorobenzoic acid, 97%
NSC41889
Tox21_200321
CK2192
STK803302
AKOS000119480
BS-4048
CS-W013225
FD16113
CAS-50-79-3
NCGC00091859-01
NCGC00091859-02
NCGC00091859-03
NCGC00257875-01
AC-10697
SY013549
D0338
NS00032147
EN300-19828
AB01329944-02
Q27225521
F0001-1303
Z104475668
2,5-Dichlorobenzoic acid, PESTANAL(R), analytical standard
200-065-7