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1,8-Dichloronaphthalene

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Identification
Molecular formula
C10H6Cl2
CAS number
86-51-1
IUPAC name
1,8-dichloronaphthalene
State
State

At room temperature, 1,8-dichloronaphthalene is a solid.

Melting point (Celsius)
66.50
Melting point (Kelvin)
339.65
Boiling point (Celsius)
295.00
Boiling point (Kelvin)
568.15
General information
Molecular weight
197.05g/mol
Molar mass
197.0540g/mol
Density
1.3759g/cm3
Appearence

1,8-Dichloronaphthalene is typically a solid crystalline substance with a white to off-white appearance. It can sometimes exhibit a pale yellow tint due to impurities or exposure to light over time.

Comment on solubility

Solubility of 1,8-Dichloronaphthalene

1,8-Dichloronaphthalene, known for its distinctive structure, exhibits interesting solubility characteristics. This compound is primarily classified as:

  • Practically insoluble in water, making it hydrophobic in nature.
  • Sparingly soluble in various organic solvents, such as:
    • Acetone
    • Ether
    • Benzene
    • Toluene

Its solubility behavior can be attributed to its nonpolar nature, which leads to very low interaction with water molecules. In contrast, it's more compatible with nonpolar or slightly polar solvents, which enables its dissolution.

As a general observation:

  • **Higher molecular weight compounds** tend to have lower solubility in water.
  • **The presence of chlorine atoms** also influences polarity, thus affecting solubility in different environments.

It's important to note that while 1,8-dichloronaphthalene is insoluble in water, it can still be useful in various applications where hydrophobic properties are advantageous.

Interesting facts

Interesting Facts About 1,8-Dichloronaphthalene

1,8-Dichloronaphthalene is a fascinating chlorinated aromatic hydrocarbon with intriguing properties and applications. Here are some noteworthy highlights:

  • Chemical Structure: This compound consists of a naphthalene backbone with two chlorine atoms substituting hydrogen at the 1 and 8 positions. Its unique structure contributes to its **stability** and **reactivity** under different conditions.
  • Uses in Industry: 1,8-Dichloronaphthalene is commonly used in the production of various **pesticides** and **herbicides**. It also finds applications as a **solvent** and an **intermediate** in chemical synthesis.
  • Toxicological Profile: As with many chlorinated compounds, 1,8-dichloronaphthalene requires careful handling. It's important to consider its potential **health risks**, which include skin irritation and possible environmental impacts.
  • Research Applications: Researchers are interested in this compound for studying **environmental persistence** and its behavior in various ecosystems. Investigating its breakdown products can provide insights into pollution control mechanisms.
  • Phase Behavior: This compound exhibits interesting **phase behavior** that intrigues chemists. It can exist in different phases under varying temperature and pressure conditions, which is essential in applications such as separation processes.

In summary, 1,8-dichloronaphthalene is more than just a chemical compound; it exemplifies the intricate balance between utility and environmental responsibility in modern chemistry. As noted by scientists, “Understanding the properties and behavior of such compounds is vital for advancing both technology and ecological safety.”

Synonyms
1,8-DICHLORONAPHTHALENE
Naphthalene, 1,8-dichloro-
P7NQL6QG4A
EINECS 218-101-5
UNII-P7NQL6QG4A
DTXSID0062139
DTXCID3036319
218-101-5
adrypagqxfmvfp-uhfffaoysa-n
inchi=1/c10h6cl2/c11-8-5-1-3-7-4-2-6-9(12)10(7)8/h1-6
2050-74-0
MFCD03701748
1,8-Dichloronaphthalene 10 microg/mL in Acetonitrile
1,8-Dichloronaphthalene 10 microg/mL in Isooctane
1,8-dichloro-naphthalene
C10H6Cl2
Naphthalene, 1,8-dichloro-; 1,8-Dichloronaphthalene; PCN 9; 1,8-DiCN; 1,8-DCN; PCN-9
SCHEMBL4103602
AKOS006276998
DS-10982
SY283526
DB-354248
CS-0159354
NS00026658
C73884