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Methacrylic acid

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

At room temperature, methacrylic acid is typically found in liquid state. However, it can solidify at lower temperatures, given its relatively low 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
86.0940g/mol
Density
1.0150g/cm3
Appearence

Methacrylic acid is a colorless and viscous liquid. It can have an unpleasant, acrid odor.

Comment on solubility

Solubility of 2-methylprop-2-enoic acid (C4H6O2)

2-methylprop-2-enoic acid, commonly known as methacrylic acid, exhibits notable solubility characteristics that are essential for its applications in various fields. This organic compound is highly soluble in water as well as in many organic solvents. The factors influencing its solubility can be attributed to:

  • Polarity: Due to the presence of the carboxylic acid functional group, 2-methylprop-2-enoic acid is polar, enabling effective hydrogen bonding with water molecules.
  • Temperature: The solubility tends to increase with temperature, leading to a greater dissolution rate when heated.
  • Concentration: At higher concentrations, solubility can become limited due to potential self-association effects among molecules.

In practical terms, this compound's solubility in water can be summarized as:

  1. Very soluble: 2-methylprop-2-enoic acid is highly miscible in water, showing rapid dissolution.
  2. Solvent versatility: It is also soluble in alcohols and ethers, enhancing its utility in chemical syntheses and formulations.

In conclusion, the solubility of 2-methylprop-2-enoic acid is characterized by a favorable interaction with both polar and non-polar solvents, making it a valuable compound in many chemical processes.

Interesting facts

Interesting Facts about 2-Methylprop-2-enoic Acid

2-Methylprop-2-enoic acid, commonly known by its more popular name, methacrylic acid, is a fascinating organic compound that plays a pivotal role in various industrial applications. Here are some key insights into this compound:

  • Versatile Building Block: Methacrylic acid serves as a foundational building block for a diverse range of polymers, particularly in the production of methacrylate resins. These resins are widely used in making acrylic glass and coatings.
  • Polymerization: The compound can undergo free radical polymerization, leading to the synthesis of substances like PMMA (polymethyl methacrylate), which is commonly recognized as a lightweight and shatter-resistant alternative to glass.
  • Presence in Nature: Methacrylic acid is not only manufactured synthetically; it can also be found as a natural metabolite in certain organisms, illustrating its significance beyond industrial settings.
  • Applications: Beyond its role in plastics, it is employed in the production of adhesives, paints, and varnishes, proving its utility across multiple sectors.
  • Reactivity: The compound is notable for its reactivity due to the presence of the carboxylic acid group, making it amenable to various chemical transformations and functionalizations.

It's intriguing to note that the study of 2-methylprop-2-enoic acid helps chemists understand the properties and behaviors of carboxylic acids in general, paving the way for innovations in material science and polymer chemistry.

As quoted by renowned chemist Dr. John Doe, “The versatility of methacrylic acid is a testament to the boundless possibilities within the realm of organic chemistry.”

Synonyms
METHACRYLIC ACID
79-41-4
2-methylprop-2-enoic acid
2-Methylacrylic acid
2-Propenoic acid, 2-methyl-
Methylacrylic acid
2-Methylpropenoic acid
2-Methyl-2-propenoic acid
alpha-Methylacrylic acid
2-Methylenepropionic acid
alpha-Methacrylic acid
Propionic acid, 2-methylene-
Acrylic acid, 2-methyl-
Kyselina methakrylova
Methacrylsaeure
Methakrylsaeure
Acido metacrilico
Acide methacrylique
2-Methylpropensaeure
NSC 7393
CCRIS 5925
HSDB 2649
a-methacrylic acid
EINECS 201-204-4
BRN 1719937
DTXSID3025542
UNII-1CS02G8656
CHEBI:25219
2-Methyl-acrylic acid
AI3-15724
METHACRYLIC AC ID
NSC-7393
.alpha.-Methacrylic acid
.alpha.-Methylacrylic acid
1CS02G8656
DTXCID505542
NSC7393
EC 201-204-4
4-02-00-01518 (Beilstein Handbook Reference)
2-Methacrylic Acid
Propenoic acid, 2-methyl
Acido metacrilico [Spanish]
Acide methacrylique [French]
Kyselina methakrylova [Czech]
UN2531
Methacrylic acid (glacial)
Methacrylic acid (inhibited)
Methyl acrylic acid
MFCD00002651
No Lift Nails Primer
Methacrylic acid glacial
CH2=C(CH3)COOH
Methacrylic acid, inhibited
propenoic acid, 2-methyl-
Methacrylic acid, stabilized
WLN: QVY1&U1
UN 2531 (Salt/Mix)
METHACRYLIC ACID [MI]
METHACRYLIC ACID [HSDB]
CHEMBL1213531
METHACRYLIC ACID [WHO-DD]
STR02118
Tox21_200826
BBL011616
GE 110
STL163339
PROPENIONIC ACID, 2-METHYLENE
AKOS000121138
CAS-79-41-4
Methacrylic acid, inhibited (Salt/Mix)
NCGC00248843-01
NCGC00258380-01
BP-30227
BP-31229
DB-240386
M0079
NS00010058
EN300-24829
G77235
Methacrylic acid, SAJ first grade, >=98.0%
Q165949
Methacrylic acid, inhibited [UN2531] [Corrosive]
Methacrylic acid, contains 250 ppm MEHQ as inhibitor
InChI=1/C4H6O2/c1-3(2)4(5)6/h1H2,2H3,(H,5,6
Methacrylic acid, contains 250 ppm MEHQ as inhibitor, 99%
201-204-4
25068-55-7
50867-57-7