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Tariric acid

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Identification
Molecular formula
C18H30O2
CAS number
29204-02-2
IUPAC name
octadeca-9,12-diynoic acid
State
State

Tariric acid is an oily liquid at room temperature, slightly viscous with a low melting point that differentiates it from solid fatty acids. It is generally unstable and should be stored carefully under proper conditions to avoid degradation.

Melting point (Celsius)
-5.00
Melting point (Kelvin)
268.15
Boiling point (Celsius)
350.00
Boiling point (Kelvin)
623.15
General information
Molecular weight
278.44g/mol
Molar mass
278.4360g/mol
Density
0.8800g/cm3
Appearence

Tariric acid typically appears as a colorless or pale yellow oily liquid. Its appearance may vary depending on purity and specific conditions under which it is stored or observed.

Comment on solubility

Solubility of Octadeca-9,12-diynoic Acid (C18H30O2)

Octadeca-9,12-diynoic acid is a linear fatty acid with a unique structure that significantly influences its solubility characteristics.

Solubility in Various Solvents

  • Polar solvents: This compound exhibits limited solubility in water due to its long hydrocarbon chain and the presence of double bonds, which reduce its overall polarity.
  • Non-polar solvents: It is more soluble in non-polar organic solvents such as hexane or chloroform, where the hydrophobic interactions dominate.

Factors Affecting Solubility

The solubility of octadeca-9,12-diynoic acid can be influenced by several factors:

  • Temperature: As with many organic compounds, increasing the temperature can enhance solubility in solvents.
  • Chain length: The long carbon chain of C18H30O2 contributes to its limited affinity for water.
  • Degree of unsaturation: The presence of multiple triple bonds in this compound can also affect its intermolecular interactions.

In summary, octadeca-9,12-diynoic acid's solubility is greater in non-polar solvents compared to water, primarily due to its structural features, which dictate its interactions at the molecular level. Understanding these solubility properties is crucial for applications in organic synthesis and material science.

Interesting facts

Interesting Facts About Octadeca-9,12-diynoic Acid

Octadeca-9,12-diynoic acid, often referred to as "octadecadienoic acid," is a fascinating compound that has garnered attention both in the scientific community and in practical applications. Here are some interesting insights:

  • Unique Structure: This compound features a distinctive linear carbon chain with two triple bonds between the 9th and 10th, as well as the 12th and 13th carbon atoms. This structure contributes to its unique properties and reactivity.
  • Biological Role: Octadeca-9,12-diynoic acid is a fatty acid, which implies that it plays an important role in various biological processes, including cell membrane fluidity and energy storage.
  • Applications in Chemistry: Due to its unsaturated bonds, this compound is often explored in organic synthesis and materials science. It can be a precursor in the synthesis of polymers and other functional compounds.
  • Potential Therapeutic Properties: Some studies suggest that fatty acids with multiple unsaturations can exhibit anti-inflammatory properties, making compounds like octadeca-9,12-diynoic acid of interest in pharmaceutical research.
  • Cosmetic Use: Known for its moisturizing properties, octadeca-9,12-diynoic acid can be found in certain cosmetics and skincare products where it contributes to skin health.

In summary, octadeca-9,12-diynoic acid represents a versatile compound with significant biological and industrial relevance. Its unique structure and properties make it a valuable subject of study in both academic and commercial contexts.

Synonyms
9,12-octadecadiynoic acid
2012-14-8
octadeca-9,12-diynoic acid
9a-12a-Octadecadiynoic acid
Ro 3-1314
ODYA
Ro-3-1314
CHEBI:142250
DTXSID50173935
SCHEMBL47069
DTXCID1096426
HMS3649L21
HY-N8276
LMFA01030540
MFCD00797685
9,12-Octadecadiynoic acid, >=98%
PD020522
DB-221716
G91418
SR-01000946677
SR-01000946677-1