Chemical Name: Dichloromethane, MCL, MEC, Methylene Chloride, Methylene Chloride
Chemical Formula: CH2Cl2
Group: Chlorinated Solvent
CAS No: 75-09-2
EINECS No: 200-838-9
HS Code: 2903.12.00.00.00
Appearance: Clear Liquid
Odor: Mild, Pungent, Chloroform-like
Boiling Point: 40 °C
Lower Explosion/Flammability Limit: 13% (V)
Upper Explosion/Flammability Limit: 23% (V)
Autoignition Temperature: 420 °C
Vapor Pressure: 46.6 kPa (20 °C)
Density: 1330 kg/m³ (20 °C)
Melting Point: -95 °C
Solubility in Water: 2% (NIOSH)
UN No: 1593
Hazard Class: 6.1
Packaging Group: III
Proper Shipping Name:
Dichloromethane
EMS No: F-A, S-A
Marine Pollutant: No
IATA Label: Flammable Liquid
Packaging Type: Can, drum, IBC tank, Bulk
definition
Methylene chloride (CH₂Cl₂), also known as dichloromethane, is a solvent used in organic chemistry. This compound is a colorless, odorless, volatile liquid and is widely used as a solvent in industrial and laboratory applications.
usage area
- Solvent Power:Methylene chloride is an effective solvent for dissolving many organic compounds. This property makes it useful in reactions and analyses.
- Chemical Reactivity:Methylene chloride can undergo many chemical reactions. It tends to react particularly under basic conditions.
- Polarity:Methylene chloride is not a polar molecule; therefore, it differs from polar solvents like water. This property leads to its use in mixing certain organic compounds with water.
- Environmental Effects:Methylene chloride is a solvent that can cause environmental issues. As it evaporates in the air, it may contribute to the formation of chemical compounds that can damage the ozone layer. It can also leach into water sources and cause environmental pollution.
- Health Effects:When methylene chloride vapors are inhaled, they can cause health problems such as headache, dizziness, nausea, and even loss of consciousness. Therefore, it is recommended to use it in well-ventilated areas and to use respiratory protective equipment.