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Stearolic Acid

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Identification
Molecular formula
C18H32O2
CAS number
760-32-5
IUPAC name
octadec-17-ynoic acid
State
State

At room temperature, stearolic acid is a solid. Being a long chain carboxylic acid, it has a high melting point compared to smaller carboxylic acids. This makes it typically present in a solid state under normal conditions, exhibiting a waxy, crystalline appearance.

Melting point (Celsius)
45.50
Melting point (Kelvin)
318.65
Boiling point (Celsius)
330.00
Boiling point (Kelvin)
603.15
General information
Molecular weight
266.45g/mol
Molar mass
266.4390g/mol
Density
0.8953g/cm3
Appearence

Stearolic acid typically appears as a waxy solid. It is colorless and can sometimes have a slightly off-white appearance depending on its purity and the presence of impurities or additives. When in a more crystalline form, it can also reflect light, giving it a slightly shiny appearance.

Comment on solubility

Solubility of Octadec-17-ynoic Acid

Octadec-17-ynoic acid, with the chemical formula C18H32O2, exhibits interesting solubility characteristics that can be attributed to its structural features. This fatty acid contains a long hydrophobic carbon chain, which influences its interactions with solvents.

Key Points Regarding Solubility:

  • Solubility in Water: Octadec-17-ynoic acid is largely *insoluble* in water due to its hydrophobic nature, making it less favorable for interactions with polar solvents.
  • Solubility in Organic Solvents: It is, however, *soluble* in many organic solvents such as ethanol, ether, and chloroform, which are nonpolar or slightly polar, facilitating better interaction with the nonpolar sections of its molecular structure.
  • Temperature Dependence: Like many fatty acids, its solubility can increase with temperature, allowing greater interaction with organic solvents.

The solubility behavior of octadec-17-ynoic acid reflects the *fundamental principles of solubility*, where "like dissolves like" plays a critical role. Therefore, understanding these solubility aspects is essential for applications in chemical synthesis and formulation.

Interesting facts

Interesting Facts about Octadec-17-ynoic Acid

Octadec-17-ynoic acid, also known as 17-octadecynoic acid, is a fascinating compound that offers a variety of intriguing aspects, especially from the perspective of both chemistry students and chemical scientists. Here are some points that highlight its significance:

  • Structural Composition: This compound is characterized by its long hydrocarbon chain, which is typical of fatty acids. Its unique triple bond at the 17th carbon position contributes to its reactivity and overall properties.
  • Biological Relevance: Fatty acids like octadec-17-ynoic acid play vital roles in biological systems. They are involved in various metabolic pathways and can influence cellular function.
  • Applications in Research: Scientists study this compound, especially in the fields of biochemistry and material science, assessing its potential roles in the synthesis of novel materials or as a precursor in organic reactions.
  • Synthesis Pathways: Octadec-17-ynoic acid can be synthesized through a variety of methods, such as the oxidation of specific precursors, making it an interesting subject for organic synthesis courses.
  • Potential Therapeutic Uses: Research is ongoing into how compounds like octadec-17-ynoic acid can be used in pharmaceuticals. The unique structural features could provide insights into designing new therapeutic agents.

As one scientist articulated, “Every molecule tells a story.” In the case of octadec-17-ynoic acid, its story unfolds across membranes of cells and into innovative applications, making it a compound of notable interest.

This intricate balance of structure and function continues to inspire numerous studies, emphasizing the endless possibilities within the realm of chemical compounds.

Synonyms
17-octadecynoic acid
34450-18-5
Alkynyl Stearic Acid
Octadec-17-ynoic acid
17-ODYA
L8WPG7CL86
17-octadecyn-1-oic acid
CHEBI:142447
DTXSID50188024
MFCD00077382
SR-01000597622
Octadec-17-ynoicacid
Tocris-0607
UNII-L8WPG7CL86
CBiol_001996
BSPBio_001367
KBioGR_000087
KBioSS_000087
SCHEMBL979048
BML3-C04
CHEMBL182310
GTPL8851
KBio2_000087
KBio2_002655
KBio2_005223
KBio3_000173
KBio3_000174
DTXCID80110515
Bio1_000282
Bio1_000771
Bio1_001260
Bio2_000087
Bio2_000567
HMS1361E09
HMS1791E09
HMS1989E09
HMS3402E09
HMS3649J09
17-ODYA (17-Octadecynoic acid)
LMFA01030575
AKOS024458580
17-Octadecynoic acid, >=95% (GC)
IDI1_033837
NCGC00024681-01
NCGC00024681-02
NCGC00024681-03
NCGC00024681-04
BP-23391
MS-23987
PD020539
DB-250248
HY-101016
CS-0020696
NS00096067
F82104
R01-0053
SR-01000597622-1
SR-01000597622-2
Q27070788