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4-Pentynoic acid

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Identification
Molecular formula
C5H6O2
CAS number
1119-71-1
IUPAC name
pent-4-ynoic acid
State
State

At room temperature, 4-Pentynoic acid exists as a liquid.

Melting point (Celsius)
-96.50
Melting point (Kelvin)
176.65
Boiling point (Celsius)
207.00
Boiling point (Kelvin)
480.15
General information
Molecular weight
98.12g/mol
Molar mass
98.1140g/mol
Density
1.0250g/cm3
Appearence

4-Pentynoic acid is a colorless liquid with a slightly unpleasant odor. As with many small chain aliphatic acids, it is straightforward in appearance, appearing as a clear liquid without any noticeable particulate or coloration.

Comment on solubility

Solubility of Pent-4-ynoic Acid

Pent-4-ynoic acid, with the chemical formula C5H6O2, exhibits interesting solubility characteristics due to its functional groups and molecular structure. The presence of both a carboxylic acid group and a triple bond contributes to its behavior in various solvents.

Solubility Characteristics

  • Polar Solvents: Pent-4-ynoic acid is soluble in water to a moderate extent, as the polar carboxylic acid group can engage in hydrogen bonding with water molecules.
  • Non-Polar Solvents: In non-polar solvents like hexane, its solubility is significantly reduced, reflecting the hydrophobic character of the hydrocarbon chain.
  • Common Solvents: It shows good solubility in organic solvents such as ethanol and acetone, benefiting from similar polar and non-polar characteristics.

The overall solubility of pent-4-ynoic acid is a balance between the hydrophobic hydrocarbon chain and the hydrophilic acid group, making it a versatile compound in both synthetic and natural processes. Understanding these solubility traits is crucial for applications in organic synthesis and industrial chemistry.

Interesting facts

Interesting Facts about Pent-4-ynoic Acid

Pent-4-ynoic acid is a fascinating compound that belongs to the family of alkynoic acids. This organic compound, notable for its unique structure, presents interesting characteristics and applications.

Structure and Properties

Pent-4-ynoic acid is part of the alkyne family, comprised of a straight-chain structure with a triple bond between the carbons. Its key characteristics include:

  • Functional Group: It contains a carboxylic acid group which contributes to its acidity, making it reactive and useful in various chemical reactions.
  • Triple Bond: The presence of a triple bond in its structure imparts unique reactivity, allowing for various additions and substitutions in synthetic pathways.

Applications

This compound has a range of applications in different fields:

  • Synthesis of Complex Molecules: Pent-4-ynoic acid serves as an important intermediate in organic synthesis, enabling the preparation of more complex organic molecules.
  • Research in Materials Science: Its unique bonding structure may offer insights for developing new materials with enhanced properties.

Noteworthy Points

As with many alkynoic acids, pent-4-ynoic acid is a subject of interest for:

  • Synthesis of Pharmaceuticals: This compound can be foundational in the production of medicinal compounds, aiding in drug development.
  • Educational Purpose: It serves as an excellent example for students studying organic chemistry due to its unique bonding and reactivity.

Overall, pent-4-ynoic acid is a significant compound worthy of attention in both practical applications and academic research. As stated by chemists, "The beauty of chemistry lies in the connections we make at a molecular level."

Synonyms
4-PENTYNOIC ACID
Pent-4-ynoic acid
Propargylacetic acid
Pent-4-yn-1-oic acid
EINECS 228-028-0
BRN 1742047
MLBYLEUJXUBIJJ-UHFFFAOYSA-
DTXSID20209730
4-02-00-01693 (Beilstein Handbook Reference)
DTXCID70132221
228-028-0
inchi=1/c5h6o2/c1-2-3-4-5(6)7/h1h,3-4h2,(h,6,7)
mlbyleujxubijj-uhfffaoysa-n
6089-09-4
4-pentynoicacid
MFCD00004407
pent4-ynoic acid
Pent-4-yn-1-oicacid
4-Pentynoic acid, 95%
LCWG002
BCP33459
HY-Y1230
BBL103677
STL557487
AKOS000188069
CS-W008784
FP01965
GS-6696
BP-31168
4-Pentynoic acid, purum, >=97% (GC)
Pent-4-yn-1-oic acid;Propargylacetic acid
DB-053734
DB-367931
NS00034491
P2341
EN300-115626
Q27455468
Z295890062