Product name

N-Methylmorpholine

English name

N-Methylmorpholine

Alias

N-methylmorpholine; 4-methylmorpholine; 4-methylmorpholine; 1,4-oxazepine; methylmorpholine

CAS RN

109-02-4

EINECS number

203-640-0

Molecular formula

C₅H₁₁NO

Molecular weight

101.14844

Chemical formula

Physical and chemical properties

Property Corrosive, slightly toxic, pungent odor liquid, colorless and transparent liquid
Viscosity (23℃) 2.3mPa·s
Boiling range 111~117℃
Freezing point -65~-66℃
Refractive index (20℃) 1.4328~1.4337
Vapor pressure (20℃) 2200Pa
Solubility soluble in water, pKa=7.5. The explosion limit in the air is 2.2%~11.8%, soluble in organic solvents, and miscible with water and ethanol

Uses

This product is soluble in water, alcohol and ether. It can be used as a solvent and corrosion inhibitor for rayon. It is also used in the synthesis of rubber accelerators and other fine chemicals. It is also used as a catalyst for polyurethane and synthesis of aminobenzylpenicillin and hydroxypenicillin. . With double oxidation, N-methyl morpholine oxide can be produced.