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Heptachlor

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Identification
Molecular formula
C10H5Cl7
CAS number
76-44-8
IUPAC name
1,2,4,5,6,7,7-heptachlorobicyclo[2.2.1]hept-2-ene
State
State

At room temperature, heptachlor is typically found in a solid state, being a crystalline substance. It is often encountered in environments where pesticide formulations have been applied.

Melting point (Celsius)
95.00
Melting point (Kelvin)
368.15
Boiling point (Celsius)
135.00
Boiling point (Kelvin)
408.15
General information
Molecular weight
373.32g/mol
Molar mass
373.3200g/mol
Density
1.6500g/cm3
Appearence

Heptachlor appears as a white or tan waxy solid. It is typically seen in its technical grade form, which has a slightly pungent odor and may have a more off-white or tan coloration due to impurities.

Comment on solubility

Solubility of 1,2,4,5,6,7,7-Heptachlorobicyclo[2.2.1]hept-2-ene

The solubility of 1,2,4,5,6,7,7-heptachlorobicyclo[2.2.1]hept-2-ene can be characterized as quite limited. This compound is part of a class known for their complex structures and hydrophobic nature, which significantly influences their solubility properties.

Key Factors Influencing Solubility:

  • Polarity: The presence of multiple chlorine atoms makes it a polar compound, though its overall structure remains largely non-polar.
  • Hydrophobic Interactions: The bicyclic framework contributes to its reluctance to dissolve in polar solvents, such as water.
  • Temperature Effects: Increased temperature typically enhances solubility for many compounds, but due to its stability and strong intermolecular forces, dissolving this compound remains challenging.

In general, 1,2,4,5,6,7,7-heptachlorobicyclo[2.2.1]hept-2-ene is expected to exhibit higher solubility in organic solvents such as:

  • Chloroform
  • Ether
  • Hexane

However, great care should be taken when handling this compound due to its potential environmental and health impacts. Understanding its solubility helps in determining the appropriate solvent for use in extraction and chemical reactions, making knowledge of solubility not just academic, but essential for practical applications.

Interesting facts

Interesting Facts about 1,2,4,5,6,7,7-heptachlorobicyclo[2.2.1]hept-2-ene

The compound 1,2,4,5,6,7,7-heptachlorobicyclo[2.2.1]hept-2-ene is a fascinating member of the group of chlorinated hydrocarbons. Its complex structure makes it particularly noteworthy for various reasons:

  • Chlorinated Compound: This compound has seven chlorine atoms, which significantly alters its physical and chemical properties compared to its non-chlorinated counterparts.
  • Structural Complexity: The bicyclic nature of this compound gives it unique steric characteristics, affecting how it interacts with other molecules, including those in biological systems.
  • Toxicity and Environmental Impact: Chlorinated hydrocarbons are generally known for their persistence in the environment and potential toxicity to living organisms, making them a topic of significant research in environmental chemistry.
  • Historical Importance: Compounds like this one have been studied in the context of pesticide development, particularly during the mid-20th century, contributing to discussions around chemical safety and environmental policy.
  • Research and Applications: While many chlorinated compounds have been phased out due to health concerns, understanding their chemistry opens doors for developing safer alternatives and managing legacy pollutants.

In summary, 1,2,4,5,6,7,7-heptachlorobicyclo[2.2.1]hept-2-ene is more than just a compound; it embodies the complexities and challenges of chemical safety, environmental science, and the need for sustainable practices in chemical usage. Studying such compounds highlights the intricate balance between human innovation and environmental stewardship.

Synonyms
EINECS 249-153-7
PXTADLCAVHRXCA-UHFFFAOYSA-N
Heptachlorobicyclo(2.2.1)hept-2-ene