1. Purity:99.5% min. 2. N-Formylmorpholine (NFM) is the key organic chemical product and mainly used as solvent. N-Formylmorpholine (NFM)1. IntroductionN-Formylmorpholine (NFM) is the key organic chemical product and mainly used as solvent.Synonyms: 4-Formylmorpholine, 4-Morpholinecarboxaldehyde, Morpholine-4-carbaldehyde, N-FormylmorpholineFormula: C5H9NO2 CAS no.: 4394-85-82. Technical ...