Skip to main content

2-Octynoic acid

ADVERTISEMENT
Identification
Molecular formula
C8H12O2
CAS number
18719-47-6
IUPAC name
oct-2-ynoic acid
State
State

At room temperature, 2-Octynoic acid exists as a solid.

Melting point (Celsius)
46.00
Melting point (Kelvin)
319.15
Boiling point (Celsius)
261.20
Boiling point (Kelvin)
534.35
General information
Molecular weight
140.19g/mol
Molar mass
140.1860g/mol
Density
0.9875g/cm3
Appearence

2-Octynoic acid is a colorless to pale yellow crystalline solid. It appears as a waxy material and can sometimes be encountered in forms resembling crystals or powder.

Comment on solubility

Solubility of Oct-2-ynoic Acid

Oct-2-ynoic acid, with the chemical formula C8H14O2, is an interesting compound when it comes to solubility behavior.

This alkyne carboxylic acid exhibits the following characteristics in terms of solubility:

  • Solubility in Water: Oct-2-ynoic acid is only slightly soluble in water. This limited solubility is primarily due to its long carbon chain, which increases the hydrophobic character of the molecule.
  • Solubility in Organic Solvents: It is, however, soluble in many organic solvents such as ethanol, acetone, and diethyl ether, making it compatible with various organic synthesis reactions.
  • Influence of Temperature: In general, the solubility of organic acids like oct-2-ynoic acid may increase with a rise in temperature, which can aid in dissolution processes when mixed with organic solvents.
  • Functional Group Effects: The presence of the carboxylic acid group contributes to some hydrogen bonding in polar solvents, despite the higher apolar hydrocarbon part of the molecule.

In conclusion, while oct-2-ynoic acid shows limited solubility in water, its compatibility with various organic solvents makes it a versatile compound in chemical applications. Understanding the solubility profile of such compounds is crucial for optimizing reaction conditions.

Interesting facts

Interesting Facts About Oct-2-ynoic Acid

Oct-2-ynoic acid, a fascinating compound in the realm of organic chemistry, belongs to the category of carboxylic acids. Its unique structure plays a vital role in a variety of applications and research avenues. Here are some intriguing aspects:

  • Structural Characteristics: Oct-2-ynoic acid features a carbon chain with a triple bond between the second and third carbons (hence the name ynoic), giving it distinct properties compared to its saturated and unsaturated counterparts.
  • Biological Relevance: Compounds similar to oct-2-ynoic acid are often studied for their antimicrobial and antifungal properties, making them of interest in pharmaceutical research.
  • Industrial Applications: Due to its reactivity, this compound can serve as a precursor in the synthesis of various chemical materials, which can be applied in manufacturing processes for polymers and surfactants.
  • Organic Synthesis: Chemists appreciate oct-2-ynoic acid for its versatility in organic synthesis. It can act as a building block for complex molecules, allowing for the creation of diverse chemical entities used in daily products.
  • Fragrance and Flavor Industry: It has been noted that carboxylic acids contribute to the production of certain flavors and fragrances, opening avenues for oct-2-ynoic acid in the cosmetic and food industries.

In conclusion, oct-2-ynoic acid not only excites organic chemists with its unique structural qualities but also holds potential in functional applications, from pharmaceuticals to industrial uses. It serves as a reminder of how simple molecules can have profound implications across various fields of science.

Synonyms
2-OCTYNOIC ACID
Oct-2-ynoic acid
2-Octyn-1-oic acid
m-Pentyl propiolate
Pentylpropiolic acid
Propiolic acid, pentyl-
Propiolic acid, pentyl ester
EINECS 227-121-3
I7TMI3HR1Y
NSC 75855
BRN 1751225
CHEBI:60295
UNII-I7TMI3HR1Y
NSC-75855
DTXSID50205205
4-02-00-01714 (Beilstein Handbook Reference)
DTXCID10127696
bqdkcwcmdbmleh-uhfffaoysa-n
5663-96-7
2-OA
Oct-2-ynoicacid
MFCD00004364
Epitope ID:137475
WLN: 5OV1UU1
SCHEMBL1088244
NSC75855
STR05359
LMFA01030577
AKOS006220769
CS-0297443
NS00002856
E78160
EN300-787394
Q27127173