NCIt definition : A yellow, crystalline nitrosamine that is sensitive to light. N-Nitrosomorpholine
is not used or produced commercially in the US. This substance has been found as a
contaminant in rubber products, including rubber nipples for baby bottles, and is
also found in several vegetables, cheeses, alcoholic beverages and fruits. N-Nitrosomorpholine
is reasonably anticipated to be a human carcinogen. (NCI05);