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Propynal

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Identification
Molecular formula
C3H2O
CAS number
624-67-9
IUPAC name
prop-2-ynal
State
State

At room temperature, Propynal is a liquid.

Melting point (Celsius)
-34.50
Melting point (Kelvin)
238.65
Boiling point (Celsius)
54.00
Boiling point (Kelvin)
327.15
General information
Molecular weight
54.05g/mol
Molar mass
54.0490g/mol
Density
0.9130g/cm3
Appearence

Propynal usually appears as a colorless to light yellow liquid.

Comment on solubility

Solubility of Prop-2-ynal

Prop-2-ynal, also known as 2-propynyloxyaldehyde, is an interesting compound when it comes to its solubility behaviors. This molecule is characterized by the presence of both an alkyne and an aldehyde functional group, which influences its interactions with solvents. Below are some key points regarding the solubility of prop-2-ynal:

  • Polar Solvents: Prop-2-ynal is generally soluble in polar solvents such as water, ethanol, and acetone. The aldehyde functional group contributes to its ability to form hydrogen bonds, enhancing its solubility.
  • Non-Polar Solvents: Its solubility in non-polar solvents is relatively low. This behavior is expected due to the polarity difference between prop-2-ynal and non-polar solvents, which cannot effectively stabilize the compound.
  • Temperature Dependence: Solubility may vary with temperature; it is often observed that solubility increases with higher temperatures for many organic compounds.
  • Reactivity Considerations: While prop-2-ynal is soluble in various solvents, it's important to consider its reactivity. The presence of the aldehyde group makes it prone to polymerization and reactions with nucleophiles, which can affect its stability in solution.

In summary, prop-2-ynal demonstrates notable solubility in polar solvents while exhibiting limited solubility in non-polar media. Understanding these solubility characteristics is crucial for its applications in synthesis and industrial processes.

Interesting facts

Interesting Facts about Prop-2-ynal

Prop-2-ynal, also known as 2-propynal or propenal, is an intriguing chemical compound with several notable characteristics that extend its relevance in both industrial applications and organic chemistry.

Key Characteristics

  • Versatile Building Block: Prop-2-ynal is often utilized as a versatile building block in organic synthesis, serving as a precursor for the production of various chemicals, including fine chemicals and pharmaceutical intermediates.
  • Chemical Reactivity: The presence of both a triple bond and an aldehydic group makes prop-2-ynal highly reactive. This reactivity allows it to participate in numerous chemical reactions, such as nucleophilic addition, oxidation, and reduction.
  • Applications in Synthesis: Due to its functional groups, it plays a critical role in forming complex molecules, including natural products and various organic derivatives.
  • Flavor and Fragrance: Compounds related to prop-2-ynal often possess distinctive aromatic qualities, contributing to its application in the flavor and fragrance industry.

Historical Context

First identified in the mid-20th century, the study of prop-2-ynal has grown significantly. Chemists have been fascinated by its unique properties, leading to innovations in how it is used in laboratories and industries worldwide.

Safety Considerations

As with many chemical compounds, safety is paramount. Handling prop-2-ynal requires proper precautions due to its volatility and possible toxicity. Ensure that you work in a well-ventilated area and use appropriate personal protective equipment (PPE).

In conclusion, prop-2-ynal stands out as an essential compound in the realm of organic chemistry, not only due to its reactivity and application potential but also because of its contributions to the development of innovative chemical processes. Its exploration continues to reveal new possibilities in scientific research and industrial applications.

Synonyms
2-Propynal
PROPYNAL
624-67-9
Propiolaldehyde
prop-2-ynal
Propargylaldehyde
Propioaldehyde
2-Propyn-1-al
Propyn-3-al
Formylacetylene
Propiolaldehye
2-Propyn-1-one
Acetylenecarboxaldehyde
propiolic aldehyde
EINECS 210-857-4
SJ8A65XF7N
BRN 1098318
CHEBI:27976
DTXSID3060790
4-01-00-03537 (Beilstein Handbook Reference)
DTXCID1043338
210-857-4
Prorynal
2-Propynal (>85%, stabilized with Hydroquinone)
UNII-SJ8A65XF7N
HC.equiv.CCHO
2-propine-1-al
MFCD00040470
CHEMBL722
IJNJLGFTSIAHEA-UHFFFAOYSA-
BCP06452
AKOS006280816
Propynal, stabilised with Hydroquinone
FP13241
DB-008675
InChI=1/C3H2O/c1-2-3-4/h1,3H
NS00035036
EN300-76056
C05985
A833789
Q21099676