Why is dichloromethane DCM used an extraction solvent?
CAS No 75-09-2 DCM Dichloromethane is widely used as an extraction solvent, thanks to its medium polarity. This trait lets it dissolve plenty of organic compounds while staying immiscible with water. DCM Dichloromethane also has a low boiling point, so it can be removed easily after extraction. Plus, it settles as the lower layer in liquid-liquid extractions, making it simple to separate from aqueous layers. These features make DCM Dichloromethane perfect for pulling target compounds out of complex mixtures.
What Core Properties Boost DCM Dichloromethane's Extraction Performance?
1. Strong Solvency: DCM dichloromethane is moderately polar and dissolves a wide range of organics, but not highly polar substances like salts.
2. Water-Immiscible: It forms a clear layer when mixed with water, enabling easy separation of organic products.
3. Low Boiling Point (39.6°C): Its volatility allows quick evaporation, protecting heat-sensitive compounds.
4. Non-Flammable: Unlike most volatile solvents, DCM dichloromethane is non-flammable, reducing fire risks.
5. Polar Aprotic Trait: It lacks hydrogen atoms for hydrogen bonding, making it a versatile extraction solvent.
DCM Dichloromethane Uses
It is commonly used to remove caffeine from coffee and tea. In the pharmaceutical field, it helps synthesize and purify active pharmaceutical ingredients (APIs).
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