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Maleic anhydride

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Identification
Molecular formula
C4H2Cl2O2
CAS number
526-47-6
IUPAC name
but-2-enedioyl dichloride
State
State

Typically found in liquid state at room temperature.

Melting point (Celsius)
-10.00
Melting point (Kelvin)
263.15
Boiling point (Celsius)
195.00
Boiling point (Kelvin)
468.15
General information
Molecular weight
145.01g/mol
Molar mass
145.0140g/mol
Density
1.4470g/cm3
Appearence

But-2-enedioyl dichloride, also known as maleoyl chloride, appears as a colorless to pale yellow liquid. It might fume in moist air due to its reactivity with moisture leading to the release of hydrogen chloride gas.

Comment on solubility

Solubility of But-2-enedioyl Dichloride

But-2-enedioyl dichloride, known as a reactive compound, displays interesting solubility characteristics that are crucial for various chemical applications. Its solubility can be influenced by several factors:

  • Polar Solvents: But-2-enedioyl dichloride is generally soluble in polar organic solvents such as dichloromethane and acetone. This is primarily due to the compound's ability to engage in dipole-dipole interactions.
  • Water: The compound is not soluble in water, as it is non-polar and thus does not have the necessary interactions with water molecules to dissolve.
  • Solubility in Hydrocarbons: It shows limited solubility in non-polar solvents like hexane, primarily due to lack of favorable interactions.

In practical terms, it's important to handle but-2-enedioyl dichloride in the appropriate solvent systems to ensure effective reactions. Understanding its solubility helps chemists in synthesizing derivatives and performing various reactions efficiently.

As a general tip, remember that solubility is often a key factor when selecting reaction conditions or preparing solutions for laboratory work. Always consider both polarity and molecular structure when predicting how a compound like but-2-enedioyl dichloride will behave in different environments.

Interesting facts

Interesting Facts about But-2-enedioyl Dichloride

But-2-enedioyl dichloride, often referred to as maleic anhydride dichloride in some contexts, is a fascinating compound with a variety of applications in chemical processes. Here are some intriguing aspects of this compound:

  • Chemical Structure: It is a derivative of maleic acid, featuring a unique conjugated double bond system which contributes to its reactivity.
  • Versatile Reagent: This compound serves as an important building block in organic synthesis, particularly in the production of polymers and agrochemicals.
  • Reactivity: But-2-enedioyl dichloride is known for its ability to undergo a variety of chemical reactions, including nucleophilic substitution and electrophilic addition reactions, thanks to the presence of the carbonyl and chloro groups.
  • Industrial Use: It is utilized in the manufacture of plastics, resins, and dyes, showcasing its significance in industrial chemistry.
  • Safety Precautions: Due to its reactive nature, handling but-2-enedioyl dichloride requires strict safety measures. Personal protective equipment is essential to avoid exposure risks due to its corrosive and irritating properties.

In conclusion, but-2-enedioyl dichloride is more than just a simple compound. Its multifunctional reactivity and industrial importance make it a significant subject of study for chemists, contributing to advancements in materials science and synthetic chemistry.

Synonyms
but-2-enedioyl dichloride
DTXSID80859513