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4-Methylbenzenesulfinic acid

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Identification
Molecular formula
C7H8O2S
CAS number
5366-67-6
IUPAC name
4-methylbenzenesulfinic acid
State
State

At room temperature, 4-Methylbenzenesulfinic acid is typically found in a solid state. It appears as a powder or small crystals.

Melting point (Celsius)
109.00
Melting point (Kelvin)
382.00
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
172.21g/mol
Molar mass
172.2070g/mol
Density
1.1805g/cm3
Appearence

4-Methylbenzenesulfinic acid usually appears as a white to off-white crystalline powder. It is known for its solid crystal structure and powdery texture.

Comment on solubility

Solubility of 4-Methylbenzenesulfinic Acid

4-Methylbenzenesulfinic acid, also known as p-toluenesulfinic acid, exhibits interesting solubility characteristics that are essential for its application in chemical reactions and processes. Its solubility is influenced by various factors:

  • Water Solubility: 4-Methylbenzenesulfinic acid is primarily soluble in water, thanks to its sulfinic acid group (-SO2H), which can engage in hydrogen bonding with water molecules.
  • Organic Solvents: It also demonstrates solubility in many organic solvents, such as alcohols and ethers. This is largely due to the hydrophobic aromatic ring, which allows it to interact favorably with nonpolar environments.
  • pH Dependence: The solubility can vary significantly with changes in pH, as the ionization of the sulfinic acid group can enhance solubility in basic conditions.

As stated in various studies, "the structural features of 4-methylbenzenesulfinic acid play a crucial role in determining its solubility profile." Understanding this compound's solubility is vital for its effective utilization in synthesis and chemical analysis.

Interesting facts

Interesting Facts about 4-Methylbenzenesulfinic Acid

4-Methylbenzenesulfinic acid, also known as p-toluenesulfinic acid, is an intriguing compound that plays an important role in organic chemistry. Here are some fascinating aspects of this compound:

  • Functional Group: This compound features a sulfinic acid group, which is characterized by a sulfur atom bonded to an oxygen atom (as a double bond) and to a hydroxyl group. This functional group is key in its reactivity.
  • Versatile Reagent: 4-Methylbenzenesulfinic acid is often used as a reagent in various chemical reactions. It can be employed for the synthesis of other compounds, showcasing its versatility in organic synthesis.
  • Anti-Aging Agent: Interestingly, some studies have suggested that sulfinic acids may have applications in skincare, potentially functioning as anti-aging agents due to their stabilizing properties on certain biological molecules.
  • Colorimetric Application: In analytical chemistry, 4-methylbenzenesulfinic acid is sometimes used in colorimetric assays, providing a means to quantify substances based on color change in reactions.
  • Synthesis: The synthesis of this compound can involve the reaction of p-toluenesulfonyl chloride with a base, making it a compound of interest not just for its properties but also for its preparation methods.

Overall, 4-methylbenzenesulfinic acid exemplifies the fascinating world of organic compounds and their diverse applications in both industrial and academic settings. Its role in synthesis and potential uses in cosmetics makes it a compound worth studying!

Synonyms
P-TOLUENESULFINIC ACID
4-Methylbenzenesulfinic acid
536-57-2
Benzenesulfinic acid, 4-methyl-
4-Toluenesulfinic acid
Toluene-4-sulphinic acid
H3F863QFL6
toluene-4-sulfinic acid
Para-toluenesulfinic acid
EINECS 208-638-3
DTXSID90862432
P-TOLUENESULFINIC ACID [MI]
DTXCID80197503
208-638-3
MFCD00058979
4-methyl-benzenesulfinic acid
UNII-H3F863QFL6
4-methylbenzene-1-sulfinic acid
p-toluenesulfmic acid
p-toluenesulphinic acid
4-Toluenesulphinic acid
p-Toluene Sulfinic Acid
para-toluene sulfinic acid
4-Methyl-benzenesulfinicacid
p-methyl benzenesulfinic acid
SCHEMBL50106
4-Methylbenzenesulfinic acid #
AKOS003273157
CS-W022214
FP30059
DS-14167
SY113268
NS00080172
F21290
Q2823311
InChI=1/C7H8O2S/c1-6-2-4-7(5-3-6)10(8)9/h2-5H,1H3,(H,8,9
109100-36-9