N,N-Dimethylformamide DMF (CAS 68-12-2) is colorless liquid, inflammable with high flash point, miscible with water and most organic solvent. DMF has applications in various chemical reactions and processes. It is a polar aprotic solvent that is widely used in organic chemistry, particularly in the context of nucleophilic substitution reactions, nucleophilic aromatic substitution, and the preparation of ethers and crown ethers.
Properties of Dimethylformamide (DMF):
Molecular Formula: C₃H₇NO
Molar Mass: 73.09 g/mol
CAS Number: 68-12-2
Appearance: A colorless or slightly yellow liquid, usually odorless but sometimes has a faint, ammoniacal odor.
Density: 0.944 g/cm³ at 20°C.
Melting Point: −61°C (−78°F).
Boiling Point: 153°C (307°F).
Solubility:
- Miscible with water, as well as alcohols, ethers, chloroform, and other polar organic solvents.
- It dissolves a wide range of polymers, salts, and organics, which makes it an excellent solvent for chemical reactions.
What Is Dimethylformamide DMF (CAS 68-12-2) In Organic Chemistry?
This polar aprotic solvent is excellent for reactions involving charged intermediates due to its high dielectric constant and ability to solvate cations without donating protons.
DMF liquid has excellent solvency and dissolves a wide range of substances, including many organic compounds and polymers. It is used in paints, plastics and fibres.
N,N-Dimethylformamide is also used as a reaction medium in nucleophilic substitution reactions, peptide synthesis and organometallic chemistry.
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