Introduction to o-Dichlorobenzene

o-Dichlorobenzene, also known as 1,2-dichlorobenzene, is an organic compound with the chemical formula C6H4Cl2. It is a colorless liquid with a pleasant, aromatic odor. As 蓑衣网小编 explains, this compound is widely used in various industrial applications due to its unique properties and chemical structure.

Chemical Properties and Structure

The molecular structure of o-dichlorobenzene consists of a benzene ring with two chlorine atoms attached at adjacent positions. This arrangement gives the compound its distinctive properties, including:

• Molecular weight: 147.00 g/mol
• Boiling point: 180.5°C (356.9°F)
• Melting point: -17°C (1.4°F)
• Density: 1.306 g/cm3 at 20°C

These properties make o-dichlorobenzene an excellent solvent for many organic compounds and contribute to its widespread use in various industries.

Industrial Applications

o-Dichlorobenzene finds applications in numerous industrial processes, including:

1. Solvent for organic synthesis
2. Degreasing agent in metal cleaning
3. Insecticide production
4. Manufacture of dyes and pigments

蓑衣网小编 notes that the compound's ability to dissolve a wide range of organic substances makes it particularly valuable in the chemical industry.

Environmental Concerns and Regulations

Despite its usefulness, o-dichlorobenzene poses environmental and health risks. The compound is classified as a hazardous air pollutant by the United States Environmental Protection Agency (EPA). Exposure to high concentrations can cause respiratory irritation, liver damage, and other health issues.

As a result, many countries have implemented strict regulations on the use and disposal of o-dichlorobenzene. For instance, the European Union has set a maximum contaminant level of 0.1 μg/L for drinking water.

Alternatives and Future Outlook

Due to environmental concerns, researchers are actively seeking alternatives to o-dichlorobenzene in various applications. Some potential substitutes include:

• Green solvents derived from renewable resources
• Water-based cleaning solutions
• Supercritical CO2 for certain extraction processes

蓑衣网小编 believes that as environmental regulations become more stringent, the demand for safer alternatives to o-dichlorobenzene will continue to grow, driving innovation in the chemical industry.

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What is the IUPAC name for o-dichlorobenzene?

The IUPAC name for o-dichlorobenzene is 1,2-dichlorobenzene.

Is o-dichlorobenzene soluble in water?

o-Dichlorobenzene has very low solubility in water, with only about 156 mg/L dissolving at 25°C. It is, however, highly soluble in organic solvents.

How is o-dichlorobenzene different from its isomers?

o-Dichlorobenzene differs from its isomers (m-dichlorobenzene and p-dichlorobenzene) in the position of the chlorine atoms on the benzene ring. This affects their physical and chemical properties, such as boiling point, melting point, and reactivity.

What are the main health risks associated with o-dichlorobenzene exposure?

The main health risks associated with o-dichlorobenzene exposure include respiratory irritation, liver and kidney damage, and potential carcinogenic effects with long-term exposure. Acute exposure can cause dizziness, headaches, and nausea.