Skip to main content

1,2-Octanediol

ADVERTISEMENT
Identification
Molecular formula
C8H18O2
CAS number
5343-92-0
IUPAC name
octane-1,2-diol
State
State

1,2-Octanediol is typically a liquid at room temperature, but it can solidify if the temperature drops slightly below room temperature due to its melting point being 27°C.

Melting point (Celsius)
27.00
Melting point (Kelvin)
300.15
Boiling point (Celsius)
256.00
Boiling point (Kelvin)
529.15
General information
Molecular weight
146.23g/mol
Molar mass
146.2280g/mol
Density
0.9966g/cm3
Appearence

1,2-Octanediol is a colorless, viscous liquid. It has a mild, slightly fatty odor.

Comment on solubility

Solubility of Octane-1,2-diol

Octane-1,2-diol, with its chemical formula C8H18O2, exhibits interesting solubility characteristics that reflect its molecular structure and functional groups. This compound features two hydroxyl (–OH) groups, which impart hydrophilic (water-attracting) properties to its otherwise hydrophobic carbon chain.

Solubility Characteristics

When considering the solubility of octane-1,2-diol, we can break down the factors into several key points:

  • Solvent Interactions: Octane-1,2-diol is soluble in polar solvents, particularly water, due to the ability of its hydroxyl groups to form hydrogen bonds.
  • Hydrophobic Effect: The long hydrophobic octyl chain can limit solubility in water, making it less soluble compared to smaller alcohols.
  • Temperature Dependence: Solubility can increase with temperature, allowing for greater interaction between the molecules of octane-1,2-diol and water.
  • Miscibility with Other Solvents: It is also soluble in organic solvents, such as ethanol and acetone, enhancing its versatility in various chemical applications.

In summary, while octane-1,2-diol showcases considerable solubility in polar solvents due to its hydroxyl groups, the overall solubility is moderated by its hydrophobic carbon chain. This dual nature makes it an intriguing compound for use in various formulations where solubility plays a critical role.

Interesting facts

Interesting Facts about Octane-1,2-diol

Octane-1,2-diol is an intriguing compound that belongs to the class of diols, also known as glycols. It is particularly notable for its structure, which contains two hydroxyl groups (-OH) located on the first and second carbon atoms of a straight-chain octane. Here are some fascinating details about this compound:

  • Unique Properties: The presence of two hydroxyl groups contributes to interesting properties such as increased hydrogen bonding potential, which can influence its interactions with other molecules.
  • Applications in Industry: Octane-1,2-diol is utilized in various applications including:
    • As a solvent in chemical reactions
    • In the formulation of hydraulic fluids
    • As a precursor in the synthesis of certain polymers
  • Biocompatibility: Due to its moderate polarity and reactive functional groups, Octane-1,2-diol has been explored for its biocompatibility, making it a candidate for use in drug delivery systems.
  • Environmental Impact: Like many diols, the environmental impact of octane-1,2-diol is of significant interest. Studies are conducted to evaluate its biodegradability and interactions with aquatic life, focusing on sustainable chemistry.
  • Structural Analogues: Octane-1,2-diol is part of a larger family of compounds. Understanding its structure can provide insight into the behavior of longer-chain aliphatic diols, which share similar reactivity and properties.

In the words of a famous chemist, "Chemistry is the art of the understanding of matter, and the more one understands, the deeper one dives into its beauty." This sentiment perfectly encapsulates the allure of exploring compounds like octane-1,2-diol, as it opens avenues for further research and applications in both industrial and academic settings.


Synonyms
1,2-OCTANEDIOL
octane-1,2-diol
caprylyl glycol
Dermosoft Octiol
LexGard O
CAPRYL GLYCOL
UNII-00YIU5438U
DTXSID9036646
CHEBI:34056
JEECIDE CAP
ORISTAR CPG
EINECS 214-254-7
NSC 71546
NSC-71546
AI3-13058
DTXCID7016646
EC 214-254-7
1,2-OCTANEDIOL [WHO-DD]
Octane1,2diol
1,2Dihydroxyoctane
1,2Octylene glycol
CAPRYLYL GLYCOL [INCI]
(+-)-OCTANE-1,2-DIOL
aeijtfqobwatkx-uhfffaoysa-n
1117-86-8
1,2-Dihydroxyoctane
1,2-Octylene glycol
MFCD00010738
00YIU5438U
racemic 1,2-octanediol
1,2-Octanediol, 98%
NCIOpen2_000498
SCHEMBL62856
CHEMBL3186864
BCP32882
NSC71546
Tox21_301019
LMFA05000089
(+/-)-OCTANE-1,2-DIOL
AKOS015837551
1,2-Octylene glycol;Octane-1,2-diol
CS-W018222
DB14589
SB45338
NCGC00248257-01
NCGC00254921-01
AS-17606
SY031445
CAS-1117-86-8
DB-027314
NS00010217
O0277
F21409
1,2-Octanediol, Vetec(TM) reagent grade, 98%
Q27115777