Monomethylmorpholine, also known as N-methylmorpholine, is a compound with the chemical formula C5H11NO. It is a colorless liquid with an ammonia-like odor. It is a cyclic tertiary amine. It is used as a base catalyst for polyurethane formation and other reactions. From the reaction of methylamine and diethylene glycol, N-formylmorpholine hydrogenolysis derived. It is the precursor of N-methylmorpholine N-oxide, a commercially important oxidizing agent.

Monomethylmorpholine is a moderately toxic compound. It is a skin and eye irritant. It can also be harmful if swallowed or inhaled.

If you come into contact with monomethylmorpholine, you should wash your skin and eyes. If monomethylmorpholine is swallowed, drink plenty of water and call a poison control center. If monomethylmorpholine is inhaled, remove to fresh air and call a Poison Control Center.

Monomethylmorpholine is a flammable compound. It should be stored in a cool and dry place, away from heat and ignition sources.

The following are some properties of monomethylmorpholine:

Molecular formula: C5H11NO

Molecular weight: 101.1469 g/mol

Density: 0.917 g/mL (20 °C)

Melting point: -13℃

Boiling point: 154°C

Flash point: 75 °C

Solubility in water: 20 g/L (20 °C)

In ethanol Solubility: 100 g/L (20 °C)

Monomethylmorpholine is used in a variety of applications, including:

As a basic catalyst for the production of polyurethane

As a solvent for organic compounds

As N-methylmorpholine N -precursor of oxides, an oxidizing agent of commercial importance

in the production of pharmaceuticals and other chemicals

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In wastewater treatment

Monomethylmorpholine is a relatively safe compound when used according to the directions on the product label. However, it may be harmful if swallowed, inhaled, or absorbed through the skin. If you develop any symptoms after exposure to monomethylmorpholine, such as skin irritation, eye irritation, or respiratory problems, you should seek immediate medical attention.