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Linoleic Acid

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Identification
Molecular formula
C18H32O2
CAS number
60-33-3
IUPAC name
octadeca-9,12-dienoic acid
State
State

Linoleic acid is in a liquid state at room temperature.

Melting point (Celsius)
-5.00
Melting point (Kelvin)
268.15
Boiling point (Celsius)
229.00
Boiling point (Kelvin)
502.15
General information
Molecular weight
280.45g/mol
Molar mass
280.4450g/mol
Density
0.9010g/cm3
Appearence

Linoleic acid is a colorless liquid at room temperature. It is often described as a slightly yellow, viscous oil with a faint odor.

Comment on solubility

Solubility of Octadeca-9,12-dienoic Acid

Octadeca-9,12-dienoic acid, more commonly known as oleic acid, is characterized by its unique molecular structure that significantly influences its solubility properties. The solubility of this compound can be discussed in various contexts:

  • In Organic Solvents: Oleic acid is soluble in nonpolar organic solvents such as hexane and chloroform. This solubility is attributed to its long hydrophobic hydrocarbon chain.
  • In Water: However, oleic acid exhibits limited solubility in water. The polar carboxylic group (-COOH) allows for some interaction with water molecules, but the extensive nonpolar hydrocarbon part makes overall solubility low.
  • Temperature Dependence: The solubility of oleic acid can also be affected by temperature; it tends to be more soluble in warm conditions compared to cold, which can further impact its applications.
  • Applications in Emulsions: Due to its amphiphilic nature, oleic acid is often used in emulsions where its solubility properties can stabilize mixtures of oils and water.

In summary, while octadeca-9,12-dienoic acid demonstrates good solubility in organic solvents, its solubility in water remains constraint, impacted greatly by its structural composition. Understanding these solubility characteristics is crucial for its application in various chemical and industrial processes.

Interesting facts

Interesting Facts about Octadeca-9,12-dienoic Acid

Octadeca-9,12-dienoic acid, commonly known as ricinoleic acid, is a fascinating compound with several noteworthy characteristics and applications:

  • Natural Source: This fatty acid is most notably derived from castor oil, which is extracted from the seeds of the castor bean plant (Ricinus communis). The plant itself has a long history of medicinal and industrial use.
  • Unique Structure: The presence of two double bonds in its carbon chain makes octadeca-9,12-dienoic acid a key player in various chemical reactions, especially in the manufacturing of polymers and surfactants.
  • Biodiesel Potential: Its availability as a natural fatty acid allows for exploration in the production of biodiesel, which supports efforts towards renewable energy sources.
  • Cosmetic Applications: Due to its emollient properties, this compound is often utilized in cosmetic formulations, providing moisture and softness to skin and hair care products.
  • Biomedical Relevance: Research has indicated that ricinoleic acid possesses anti-inflammatory and analgesic properties, making it a subject of study for potential therapeutic applications.
  • Mechanistic Insight: One of the intriguing aspects of octadeca-9,12-dienoic acid is its role in various biochemical pathways, where it may influence lipid metabolism and cell signaling.

In essence, octadeca-9,12-dienoic acid serves as a brilliant example of how a single compound can straddle the domains of nature, industry, and health. Its versatility continues to inspire research and innovation across multiple fields.

Synonyms
9,12-Octadecadienoic acid
octadeca-9,12-dienoic acid
2197-37-7
grape seed oils
DTXSID2075059
alpha-Linoleic acid
GrapeSeedOil
85594-37-2
9(Z),12(E)-Octadecadienoic acid
9,12-Octadecadienoic acid (VAN)
8024-22-4
cis-9-cis-12-Octadecadienoic acid
Linoleic acid- 99%
9,12-octadecadienic acid
CBiol_001994
KBioGR_000094
KBioSS_000094
DTXCID8036578
KBio2_000094
KBio2_002662
KBio2_005230
KBio3_000187
KBio3_000188
Bio1_000280
Bio1_000769
Bio1_001258
Bio2_000094
Bio2_000574
9(E),12(Z)-Octadecadienoic acid
MLA11125
AKOS030228545
FL181959
SY011113
DB-053596
Q27163939
606-872-4