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4-Methylphthalic acid

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Identification
Molecular formula
C9H8O4
CAS number
655-09-4
IUPAC name
4-methylphthalic acid
State
State

4-Methylphthalic acid is a solid at room temperature. It maintains its solid form unless subjected to high temperatures or dissolution in a solvent.

Melting point (Celsius)
165.00
Melting point (Kelvin)
438.15
Boiling point (Celsius)
240.00
Boiling point (Kelvin)
513.15
General information
Molecular weight
180.17g/mol
Molar mass
180.1680g/mol
Density
1.4070g/cm3
Appearence

4-Methylphthalic acid typically appears as a white crystalline solid. Its purity effects its appearance, with impurities potentially causing a slight discoloration. It often forms well-defined crystals.

Comment on solubility

Solubility of 4-Methylphthalic Acid

4-Methylphthalic acid, with the chemical formula C10H10O4, exhibits intriguing solubility characteristics that are important in various applications.

This compound is known to be:

  • Partially soluble in water, with solubility generally increasing with temperature.
  • More soluble in organic solvents such as ethanol, methanol, and acetone.

Due to its aromatic structure and the presence of two carboxylic acid groups, its solubility can be influenced by several factors:

  1. Temperature: Higher temperatures often lead to an increase in solubility.
  2. pH: The solubility may change depending on the acidity or basicity of the surrounding environment, with potential interactions occurring through ionization.

As noted in literature, "the solubility of carboxylic acids can vary significantly based on the substitution on the aromatic ring," which is exemplified by the behavior of 4-methylphthalic acid. Thus, understanding its solubility dynamics is key in applications such as pharmaceuticals, where its solubility can affect bioavailability and reactivity.

Interesting facts

Interesting Facts about 4-Methylphthalic Acid

4-Methylphthalic acid, recognized for its unique chemical structure and properties, is a fascinating compound with diverse applications in chemistry and industry. Here are some captivating insights:

  • Parent Compound: It is a derivative of phthalic acid, characterized by the presence of a methyl group at the 4-position. This slight modification leads to interesting variations in reactivity and application.
  • Versatile Intermediate: 4-Methylphthalic acid serves as a key intermediate in the synthesis of various chemicals, including dyes, pigments, and pharmaceuticals. Its versatility makes it invaluable in organic synthesis.
  • Plasticizer Component: This compound is often utilized in the production of plasticizers, which enhance the flexibility and durability of plastics, making it crucial for the formulation of materials used in everyday products.
  • Biochemical Implications: Studies have indicated that certain derivatives of 4-methylphthalic acid may exhibit biological activity, thus sparking interest in its potential pharmaceutical applications.
  • Environmental Considerations: As with many chemical compounds, there is ongoing research into the environmental impact of 4-methylphthalic acid. Understanding its degradation pathways is essential for assessing its safety and ecological footprint.

In summary, 4-methylphthalic acid showcases the importance of subtle structural variations in chemical compounds, leading to a broad spectrum of applications. As a chemist or student, exploring its potential and implications opens up exciting avenues for research and innovation!

Synonyms
4-METHYLPHTHALIC ACID
4316-23-8
Phthalic acid, 4-methyl-
1,2-Benzenedicarboxylic acid, 4-methyl-
4-Methyl-o-phthalate
4-Methyl-1,2-benzenedicarboxylic acid
EINECS 224-333-8
NSC 83573
DTXSID4063406
DTXCID2040236
Phthalic acid, 4-methyl-(8CI)
224-333-8
inchi=1/c9h8o4/c1-5-2-3-6(8(10)11)7(4-5)9(12)13/h2-4h,1h3,(h,10,11)(h,12,13
4-METHYL PHTHALIC ACID
4-methylbenzene-1,2-dicarboxylic acid
MFCD00041946
RDR8D8Q6WG
NSC-83573
4-Methyl-phthalic acid
4-MethylphthalicAcid
UNII-RDR8D8Q6WG
4-Methylphthalic acid, 99%
SCHEMBL467550
CHEMBL571530
NSC83573
AKOS015894345
AS-57540
BP-12485
SY052171
DB-051047
DB-358456
CS-0182955
M0560
NS00031313
H11299
KAY