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Methacrylic acid

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Identification
Molecular formula
C4H6O2
CAS number
79-41-4
IUPAC name
2-methylbut-2-enoic acid
State
State

At room temperature, methacrylic acid is typically found in liquid form. It can solidify when cooled due to its relatively high melting point.

Melting point (Celsius)
15.50
Melting point (Kelvin)
288.65
Boiling point (Celsius)
163.50
Boiling point (Kelvin)
436.65
General information
Molecular weight
86.09g/mol
Molar mass
86.0890g/mol
Density
1.0158g/cm3
Appearence

It is a colourless, viscous liquid with a sharp, unpleasant odour.

Comment on solubility

Solubility of 2-methylbut-2-enoic acid

2-methylbut-2-enoic acid, also known as isoacrylic acid, is notable for its solubility properties. Being a dicarboxylic acid, it exhibits unique characteristics when it comes to interaction with solvents.

Key points regarding the solubility of 2-methylbut-2-enoic acid:

  • Polar Nature: The presence of carboxylic acid groups (-COOH) makes 2-methylbut-2-enoic acid polar, enhancing its ability to dissolve in polar solvents.
  • Water Solubility: It is relatively soluble in water, owing to hydrogen bonding between the acid groups and water molecules.
  • Solvent Compatibility: This compound is also soluble in various organic solvents such as ethanol and acetone, which are often used in industrial applications.
  • Temperature Dependency: Solubility may vary with temperature; increased temperature typically enhances solubility.

In conclusion, the solubility of 2-methylbut-2-enoic acid can be attributed to its chemical structure, which allows it to interact effectively with both polar and non-polar environments. Hence, it finds valuable applications across various fields due to its versatile solubility.

Interesting facts

Interesting Facts about 2-Methylbut-2-enoic Acid

2-Methylbut-2-enoic acid, also known as methacrylic acid, is a fascinating compound with various applications in chemistry and industry. Here are some noteworthy facts about this compound:

  • Role in Polymer Chemistry: 2-Methylbut-2-enoic acid is primarily used as a monomer in the production of polymethyl methacrylate (PMMA), a transparent thermoplastic often employed in place of glass.
  • Reactivity: The presence of the double bond grants this compound unique reactivity, making it a key intermediate in numerous syntheses, including the formation of copolymers.
  • Natural Occurrence: While primarily synthesized for industrial uses, its derivatives are found in some natural products, showcasing the intriguing connection between synthetic and natural chemistry.
  • Biological Significance: 2-Methylbut-2-enoic acid and its derivatives can have biological activities, making them subjects of interest in drug development and biochemistry.
  • Synthesis Versatility: Chemists can synthesize this compound using several methods, including the reaction of isoamylene with sulfuric acid, showcasing the versatility of organic synthesis techniques.

As Paul K. Decker once stated, "In chemistry, there are no shortcuts, just different approaches to the same problem." This resonates well with the methods of exploring the vast applications and significance of 2-methylbut-2-enoic acid in both industrial and academic settings. Its combination of reactivity and utility underscores the compound’s importance in the field of chemistry.

Overall, 2-methylbut-2-enoic acid is not just a simple acid but a compound with profound implications in materials science and beyond.

Synonyms
2-Butenoic acid, 2-methyl-
13201-46-2
Crotonic acid, 2-methyl-
DTXSID50861643
2-Butenoic acid, methyl-
MFCD00002654
CH3CH=C(CH3)COOH
.alpha.-Methylcrotonic acid
2-methyl-but-2-enoic acid
DTXCID30810538
AKOS025243576
SY053021
DB-062862
NS00085328