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Methacrolein

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Identification
Molecular formula
C4H6O
CAS number
78-85-3
IUPAC name
2-methylprop-2-enal
State
State

Methacrolein is a liquid at room temperature.

Melting point (Celsius)
-87.90
Melting point (Kelvin)
185.25
Boiling point (Celsius)
71.00
Boiling point (Kelvin)
344.00
General information
Molecular weight
70.09g/mol
Molar mass
70.0900g/mol
Density
0.8490g/cm3
Appearence

Methacrolein is a clear, colorless liquid with a pungent, aldehyde-like odor. It is miscible with most organic solvents, and it might form a thin film of oxides upon exposure to air due to its reactive nature.

Comment on solubility

Solubility of 2-methylprop-2-enal

2-methylprop-2-enal, also known as isobutyraldehyde, exhibits intriguing solubility characteristics that are essential for its applications in various chemical processes. This compound is primarily characterized by its solubility in organic solvents and its relatively low solubility in water. Here are some key points regarding its solubility:

  • Solvents: 2-methylprop-2-enal is soluble in non-polar organic solvents such as diethyl ether, hexane, and chloroform. This feature enhances its usability in organic synthesis and industrial applications.
  • Water Solubility: It has a limited solubility in water, primarily due to its hydrophobic nature and the presence of the alkene functional group.
  • Temperature Dependence: The solubility of 2-methylprop-2-enal in water may increase with temperature, a common trend observed in many organic compounds.
  • pH Influence: The solubility can be affected by the pH of the solution, with acidic or alkaline conditions potentially promoting some degree of interaction with water molecules.

As stated, “Solubility is influenced by the molecular structure and functional groups present.” In conclusion, understanding the solubility profile of 2-methylprop-2-enal is vital for its effective utilization in chemical research and industrial applications.

Interesting facts

Discovering 2-Methylprop-2-enal

2-Methylprop-2-enal, commonly known as isovaleraldehyde, is a fascinating compound renowned for its contributions to both industrial applications and natural processes. Here are some intriguing aspects of this compound:

  • Natural Occurrence: 2-Methylprop-2-enal is naturally found in various plants and fruits, particularly in the aroma of some cheeses and in certain fruit flavors. This gives it importance in the food and fragrance industries.
  • Chemical Versatility: The compound serves as a vital building block in organic synthesis, enabling the creation of more complex molecules. Its versatility makes it invaluable in the production of flavors, fragrances, and pharmaceuticals.
  • Reactivity: 2-Methylprop-2-enal is known for its aldehyde functional group, which makes it a reactive compound. This reactivity can lead to various reactions including condensation and oxidation, making it a subject of interest for organic chemists.
  • Historical Context: The synthesis of 2-methylprop-2-enal has evolved over time. It was first synthesized in the early 20th century, highlighting the advancement of organic chemistry techniques.
  • Safety Considerations: While useful, 2-methylprop-2-enal must be handled with care. It's important to follow safety protocols as exposure can cause irritation to skin and eyes.

Quote to Remember: As the renowned chemist Linus Pauling once said, “The best way to have a good idea is to have a lot of ideas.” This resonates well in the field of chemical research, especially with compounds like 2-methylprop-2-enal that serve as starting points for myriad chemical explorations.

As we delve deeper into the world of chemical compounds, understanding the applications and implications of compounds like 2-methylprop-2-enal opens up exciting avenues for innovation and discovery.

Synonyms
METHACROLEIN
Methacrylaldehyde
78-85-3
2-Methyl-2-propenal
2-Propenal, 2-methyl-
2-Methylacrolein
Isobutenal
2-Methylprop-2-enal
2-Methylpropenal
Acrolein, 2-methyl-
Methylacrylaldehyde
2-Methylenepropanal
Methacrylic aldehyde
Methakrylaldehyd
Methakrylaldehyd [Czech]
HSDB 182
Methacrolein (stabilized with HQ)
.alpha.-Methacrolein
NSC 8260
.alpha.-Methylacrolein
Methacraldehyde
CCRIS 1153
EINECS 201-150-1
UN2396
UNII-9HRB24892H
BRN 1209258
2-Methylacrylaldehyde
METHACRYALDEHYDE
AI3-37779
NSC-8260
METHACROLEIN [HSDB]
CH2=C(CH3)CHO
UN 2396 (Salt/Mix)
DTXSID0052540
9HRB24892H
4-01-00-03455 (Beilstein Handbook Reference)
MFCD00006974
alpha-Methylacrolein
2-Methylpropenal [Czech]
2-methyl-propenal
Methacrolein (Stabilized with 1% Hydroquinone)
methacroleine
2Methylacrolein
2Methylpropenal
2Methyl2propenal
2Methylenepropanal
alphaMethylacrolein
Acrolein, 2methyl
2Propenal, 2methyl
Methacrolein, 95%
2-Methylacrylaldehyde #
2-METHYL PROPENAL
Methacrylaldehyde, inhibited
2-FORMYL-1-PROPENE
WLN: VHY1&U1
CHEMBL4063095
DTXCID7031113
CHEBI:88384
NSC8260
.ALPHA.-METHYLACRYLALDEHYDE
METHACRYLALDEHYDE, STABILIZED
AKOS000119839
FM25133
M0078
NS00022801
EN300-19749
H10713
A839511
Q420234
2-Methyl-2-propenal;Methacrylaldehyde;2-Methylacrolein
Methacrolein (Stabilized with 1per cent Hydroquinone)
F2191-0163
Methacrylaldehyde, inhibited [UN2396] [Flammable liquid]