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11-Undecynoic acid

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Identification
Molecular formula
C11H18O2
CAS number
3613-74-5
IUPAC name
undec-10-ynoic acid
State
State

11-Undecynoic acid is a solid at room temperature.

Melting point (Celsius)
48.00
Melting point (Kelvin)
321.15
Boiling point (Celsius)
290.00
Boiling point (Kelvin)
563.15
General information
Molecular weight
182.27g/mol
Molar mass
182.2730g/mol
Density
0.9155g/cm3
Appearence

11-Undecynoic acid typically appears as a white to yellowish solid. It is often found in the form of crystalline flakes or powder, which may have a distinct odor characteristic of organic carboxylic acids. Its solid form is due to the presence of a long hydrocarbon chain which enhances its hydrophobic interactions, making it a solid at room temperature.

Comment on solubility

Solubility of Undec-10-ynoic Acid

Undec-10-ynoic acid, with its unique structure, exhibits distinctive solubility characteristics. Here are some key points regarding its solubility:

  • Solvent Compatibility: This compound is generally more soluble in organic solvents such as ethanol and diethyl ether than in water. This preference stems from its relatively long hydrophobic carbon chain.
  • Water Solubility: Due to the presence of both the carboxylic acid group and the alkyne functional group, undec-10-ynoic acid demonstrates limited solubility in water. The hydrophobic part of the molecule tends to impede its interaction with water molecules.
  • Temperature Effects: The solubility may vary with temperature, as increased temperatures can enhance solubility in organic solvents.

It is essential to note that the solubility of undec-10-ynoic acid can be influenced by various factors, including:

  1. **Polarity of the solvent**: More polar solvents will generally dissolve polar compounds better.
  2. **Presence of other solutes**: The addition of other chemicals can affect solubility through interactions.
  3. **Concentration**: Higher concentrations can lead to reduced solubility due to saturation.

In conclusion, undec-10-ynoic acid's solubility is primarily determined by the balance of its hydrophobic and hydrophilic traits, resulting in a fascinating yet complex behavior in different solvent environments.

Interesting facts

Interesting Facts about Undec-10-ynoic Acid

Undec-10-ynoic acid, classified as an alkyne carboxylic acid, is a fascinating compound with various implications in organic chemistry and material science. Here are some key highlights:

  • Unique Structure: This compound features a linear chain and a terminal alkyne functional group, which is indicative of its reactivity. Its distinct chain length sets it apart, allowing for interesting properties in synthesis and applications.
  • Acidity: As a carboxylic acid, undec-10-ynoic acid exhibits acidity, making it useful in organic reactions where proton transfer is necessary. Its acidity can be attributed to the resonance stabilization of the carboxylate ion formed during deprotonation.
  • Applications: Undec-10-ynoic acid can serve as a precursor in the synthesis of various compounds, including pharmaceuticals and agrochemicals. Its unique structural features allow it to function as a building block in organic synthesis.
  • Polymer Chemistry: Its alkynyl functional group enables it to participate in polymerization reactions, leading to the creation of innovative materials with unique properties. Such polymers can find applications in coatings, adhesives, and advanced materials.
  • Biological Relevance: Research in the area of fatty acids and their derivatives indicates that compounds like undec-10-ynoic acid may mimic properties of bioactive fatty acids, opening avenues for studies on their biological activities and potential health benefits.

In summary, undec-10-ynoic acid is a versatile compound with properties that make it a valuable asset in both academic research and industry. As scientists continue to explore its potential, it remains a subject of interest in the field of organic chemistry.

Synonyms
10-Undecynoic acid
2777-65-3
2F79G7H1WY
DTXSID2075219
RefChem:77654
DTXCID5037731
220-471-8
Undec-10-ynoic acid
Hendecynoic acid
MFCD00014389
Undec-10-ynoicacid
EINECS 220-471-8
BRN 1704918
UNII-2F79G7H1WY
10-Hendecynoic Acid;
Undec-1-yn-11-oic acid
10-ENYL UNDECENOIC
10-HENDECYNOIC ACID
SCHEMBL40510
10-Undecynoic acid, 95%
4-02-00-01738 (Beilstein Handbook Reference)
LCZC1163
CHEBI:185054
GEO-02443
LMFA01030618
SBB008483
STL554898
AKOS001592014
AT18751
AS-57177
SY048514
DB-047276
CS-0160163
NS00028365
ST50825188
U0054
F013742
Q18611669