Skip to main content

Methacrylic acid

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

At room temperature, methacrylic acid is a liquid. However, due to its low melting point, it may appear as a solid under cooler conditions.

Melting point (Celsius)
15.00
Melting point (Kelvin)
288.15
Boiling point (Celsius)
161.00
Boiling point (Kelvin)
434.15
General information
Molecular weight
86.09g/mol
Molar mass
86.0890g/mol
Density
1.0150g/cm3
Appearence

Methacrylic acid appears as a colorless, viscous liquid with a sharp, acrid odor. It can crystallize upon cooling.

Comment on solubility

Solubility of 3-methylbut-2-enoic acid

3-methylbut-2-enoic acid, also known as methacrylic acid, displays intriguing solubility characteristics that can be attributed to its structural features. This compound has the following solubility properties:

  • Water Solubility: 3-methylbut-2-enoic acid is significantly soluble in water due to the presence of a carboxylic acid functional group. This group is highly polar and can form hydrogen bonds with water molecules, enhancing solubility.
  • Solvent Versatility: Besides water, this compound also shows good solubility in organic solvents such as ethanol, methanol, and acetone. Its ability to dissolve in various solvents makes it a versatile compound in biochemical applications.
  • Temperature Impact: Like many organic acids, the solubility of 3-methylbut-2-enoic acid often increases with temperature, allowing for a greater dissolution rate in warm conditions.

It's essential to note that the solubility can be affected by the pH of the solution. As 3-methylbut-2-enoic acid can act as a weak acid, the degree of ionization in a solution could influence the overall solubility depending on the acidity or basicity.

In summary, 3-methylbut-2-enoic acid exhibits robust solubility in both polar and non-polar solvents, making it an important compound in both industrial and laboratory settings. Its solubility profile is particularly favorable for applications in coatings and polymers, where it serves as a crucial building block.

Interesting facts

Interesting Facts about 3-Methylbut-2-enoic Acid

3-Methylbut-2-enoic acid, often referred to as methacrylic acid, is a remarkable compound in the realm of organic chemistry. It serves as a building block for various polymers and is extensively utilized in the manufacture of plastics and coatings.

Key Insights

  • Versatile Applications: This compound is primarily known for its role in producing methacrylate polymers, which are employed in a variety of products including adhesives, paints, and medical devices.
  • Synthesis Processes: 3-Methylbut-2-enoic acid can be synthesized through various methods, with one of the most significant being the oxidation of isobutylene. This highlights its importance in synthetic organic chemistry.
  • Biochemistry Connection: The compound also possesses relevance in biochemistry, where its derivatives participate in metabolic pathways that are crucial for cellular functions.

Fun Facts

  • Discovered in the early 20th century, methacrylic acid has paved the way for significant advancements in polymer science.
  • Its esters, particularly methyl methacrylate, are frequently employed in the production of acrylic glass, a transparent thermoplastic that is widely used as a lightweight and shatter-resistant alternative to glass.
  • This compound can polymerize easily, which enables its use in creating materials with tailored properties specific to various applications.

In conclusion, 3-methylbut-2-enoic acid is not just a simple organic compound; it is a cornerstone of modern materials science and an example of how chemistry can directly influence technology and daily life.

Synonyms
3-methylbut-2-enoic acid
Senecioic acid
beta,beta-Dimethylacrylic acid
Crotonic acid, 3-methyl-
3-methyl crotonic acid
beta,beta-Dimethacrylic acid
beta-Methylcrotonic acid
FEMA No. 3187
NSC 2549
Kyselina 3-methyl-2-butenova
UNII-EKV8I38F9I
methylcrotonic acid
EINECS 208-782-7
EKV8I38F9I
BRN 1720305
CHEBI:37127
AI3-23985
NSC-2549
NSC-97179
3,3-DIMETHYACRYLIC ACID
EC 208-782-7
4-02-00-01555 (Beilstein Handbook Reference)
208-782-7
3,3-Dimethylacrylic acid
541-47-9
3-Methylcrotonic acid
2-Butenoic acid, 3-methyl-
3-METHYL-2-BUTENOIC ACID
SENECIC ACID
beta,beta-dimethyl acrylic acid
3-methyl-but-2-enoic acid
MFCD00004366
.beta.-Methylcrotonic acid
DTXSID2047145
NSC2549
.beta.,.beta.-Dimethacrylic acid
.beta.,.beta.-Dimethylacrylic acid
LMFA01020097
3-Methyl-2-butenoate
WLN: QV1UY1&1
3,3-Dimethyl acrylic acid
Kyselina 3-methyl-2-butenova [Czech]
senecate
Senecioate
b-Methylcrotonate
3-Methylcrotonate
3-methyl-crotonate
beta-methylcrotonate
dimethylacrylic acid
b,b-Dimethylacrylate
b-Methylcrotonic acid
3,3-Dimethylacrylate
3-methyl-Crotonic acid
beta,beta-dimethacrylate
b,b-Dimethylacrylic acid
3-methylbut-2-enoicacid
beta,beta-dimethylacrylate
beta-Methylcrotonic acid;
bmse000581
(CH3)2C=CHCOOH
?,?-DIMETHACRYLATE
SCHEMBL58395
3-Methylbut-2-enoic acid #
CHEMBL115725
F3308-0464
DTXCID0027145
SCHEMBL15940318
38880_FLUKA
3,3-Dimethylacrylic acid, 97%
BCP25289
NSC97179
STR03265
Tox21_302475
s6247
AKOS002251011
3-METHYL CROTONIC ACID [FHFI]
CS-W011327
HY-W010611
NCGC00256890-01
CAS-541-47-9
DB-021811
M0543
NS00007845
EN300-20709
D78089
AE-848/32066036
Q27117043
Z104480144
InChI=1/C5H8O2/c1-4(2)3-5(6)7/h3H,1-2H3,(H,6,7