Skip to main content

1,7-Heptanediol

ADVERTISEMENT
Identification
Molecular formula
C7H16O2
CAS number
629-30-1
IUPAC name
heptane-1,7-diol
State
State

At room temperature, 1,7-Heptanediol may exist as a solid or a viscous liquid due to its melting point being close to room temperature. It is a clear, colorless compound.

Melting point (Celsius)
40.00
Melting point (Kelvin)
313.15
Boiling point (Celsius)
238.00
Boiling point (Kelvin)
511.15
General information
Molecular weight
132.20g/mol
Molar mass
132.2020g/mol
Density
0.9542g/cm3
Appearence

1,7-Heptanediol is typically a colorless, viscous liquid. It may also appear as a solid depending on the ambient temperature, as it is close to its melting point at room temperature.

Comment on solubility

Solubility of Heptane-1,7-diol

Heptane-1,7-diol, a diol compound with the formula C7H16O2, presents interesting solubility characteristics due to its unique structure. Being a member of the aliphatic alcohols, it contains two hydroxyl (-OH) groups that significantly influence its interaction with solvents.

Here's what you need to know about its solubility:

  • Polar and Nonpolar Solvents: Heptane-1,7-diol is soluble in polar solvents like water, due to the presence of hydroxyl groups which can engage in hydrogen bonding.
  • Hexane Solubility: Conversely, it demonstrates limited solubility in nonpolar solvents such as hexane, as the long hydrocarbon chain tends to dominate the solubility behavior.
  • Temperature Dependence: The solubility of heptane-1,7-diol in water may also change with temperature, often increasing at elevated temperatures.
  • Hydrogen Bonding: The ability to form hydrogen bonds enhances its miscibility with water, which is a key factor for many chemical applications.

For practical purposes, the solubility of heptane-1,7-diol highlights the balance between its hydrophilic (water-attracting) and hydrophobic (water-repelling) properties. As a result, while it is relatively soluble in water, the extent of this solubility can be influenced by various conditions such as temperature and the presence of other solutes.

Interesting facts

Interesting Facts About Heptane-1,7-diol

Heptane-1,7-diol is an intriguing organic compound that falls under the category of diols, which are characterized by the presence of two hydroxyl (-OH) groups. This compound is especially noteworthy for its unique structural and chemical properties. Here are some captivating insights:

  • Structure and Isomerism: Heptane-1,7-diol features a straight-chain structure, which can lead to the formation of different isomers. Isomerism is a fascinating aspect of organic chemistry, as it showcases how molecules with the same formula can have different arrangements of their atoms, leading to diverse functional properties.
  • Applications: This compound is valued in the field of polymer chemistry. Due to its two hydroxyl groups, heptane-1,7-diol can act as a valuable building block in producing polyols, which are essential for manufacturing polyurethanes. These materials are widely used in industries ranging from automotive to insulation.
  • Biological Relevance: Interestingly, compounds with similar structures to heptane-1,7-diol can impact biological systems. Although specific studies on heptane-1,7-diol are limited, diols in general can play a role in biological pathways, potentially affecting cellular processes.
  • Reactivity Insights: The presence of hydroxyl groups makes heptane-1,7-diol a candidate for various chemical reactions, including dehydration and oxidation. This reactivity can lead to the synthesis of larger molecules or modified versions of itself, further emphasizing the versatility of alcohols in organic synthesis.
  • Safety Considerations: As with many organic compounds, caution is advised when handling heptane-1,7-diol. It’s essential to understand the safety data associated with this compound, including potential hazards and necessary precautions.

The study of heptane-1,7-diol not only broadens our understanding of organic compounds but also highlights the significance of structural nuances in influencing reactivity and application potential. As a chemistry student, exploring such compounds can provide a solid foundation for future explorations in organic synthesis and material science.

Synonyms
1,7-HEPTANEDIOL
Heptane-1,7-diol
1,7-Dihydroxyheptane
Heptamethylene glycol
alpha,omega-Heptanediol
AI3-11199
NSC 3821
EINECS 211-085-0
.alpha.,.omega.-Heptanediol
.omega.-Heptanediol
BRN 1633482
1,7-HEPTANE-DIOL
DTXSID90212074
4-01-00-02580 (Beilstein Handbook Reference)
omega-Heptanediol
DTXCID90134565
211-085-0
inchi=1/c7h16o2/c8-6-4-2-1-3-5-7-9/h8-9h,1-7h
sxcbdzaehilglm-uhfffaoysa-n
629-30-1
C7H16O2
MFCD00002987
NSC-3821
1,7-heptandiol
1,7-Heptanediol, 95%
D3WFS2RR58
SCHEMBL41144
NSC3821
AKOS015904392
CS-W013404
FH52476
GS-6138
SY010789
DB-038169
H0028
NS00035222
EN300-85128
H10510
Q19885474
57514-69-9