Introduction
Dichloromethane, also known as dichloroalkane and methyl chloroform, is abbreviated as DCM. It is a colorless organic compound with a pungent odor similar to that of ether. This compound is formed by the substitution of two hydrogen atoms in methane (CH4) with chlorine atoms.
Molecular formula
CH2Cl2
CAS NO.
75 - 09 - 2
Packing
250kg
Physical Properties
| Appearance | It is a colorless, volatile liquid with a sweet, chloroform - like odor. |
| Melting Point | -95.1 °C |
| Boiling Point | 39.8 °C |
| Density | 1.325 g/cm³ at 20 °C |
| Solubility | It is slightly soluble in water but highly soluble in many organic solvents such as ethanol, ether, and acetone. |
Chemical Properties
Dichloromethane is relatively stable under normal conditions. However, it can be hydrolyzed under alkaline conditions to form methanol and hydrochloric acid.
It can also undergo substitution reactions with some reagents. For example, it can react with sodium hydroxide in the presence of a catalyst to form formaldehyde.
It is non - flammable, but it can form explosive mixtures with air at high temperatures and pressures.
Uses
Solvent
It is widely used as a solvent in various industries. In the pharmaceutical industry, it is used to extract and purify drugs. In the paint and coating industry, it is used to dissolve resins and pigments. It is also used in the electronics industry to clean electronic components.
Extraction Agent
It is an excellent extraction agent for extracting natural products such as essential oils and alkaloids from plants. It can also be used to extract fats and oils from food samples.
Chemical Intermediate
It is used as a raw material in the synthesis of various organic compounds. For example, it can be used to synthesize dichloromethane - based polymers and other fine chemicals.
Safety Considerations
Dichloromethane is toxic. Inhalation of its vapors can cause irritation to the respiratory tract, dizziness, and nausea. Prolonged exposure may damage the central nervous system, liver, and kidneys.
It is a suspected carcinogen. Therefore, strict safety measures should be taken when using it, including ensuring good ventilation and wearing appropriate personal protective equipment such as respirators and gloves.
It should be stored in a cool, well - ventilated place away from heat and ignition sources to prevent leakage and fire hazards.
Hot Tags: dichloromethane 75-09-2, China dichloromethane 75-09-2 manufacturers, suppliers, factory, organic compounds alkanes, Dichloromethane 75 09 2, N Heptane 764 11 4
