Bioban® P-1487 is a mixture of 4-(2-nitrobutyl)morpholine
CAS Registry Number 2224-44-4 70%,
and 4,4-(2-ethyl-2-nitrodimethylene)dimorpholine or
4,4-(2-ethyl-2-
nitro-1,3-propanediyl)-bis-morpholine
CAS Registry Number 1854-23-5 20%. Both ingredients
can be the sensitizers. It is used as a preservative
in metalworking cutting fluids. Bioban® CS-1248 is a
mixture of Bioban® CS-1246 and Bioban® P-1487.