Please conduct a current literature search and check the appropriate current online database for the most recent quantitative information.
Limited information is available on the health effects of N -nitrosomorpholine.
Animal studies have reported effects on the liver from chronic exposure to N -nitrosomorpholine. Animal studies have reported tumors of the lung, liver, kidneys, and blood vessels from oral exposure to N -nitrosomorpholine. EPA has not classified N -nitrosomorpholine for carcinogenicity. No information is available on the assessment of personal exposure to N -nitrosomorpholine. Tests involving acute exposure of animals, such as the LD 50 test in rats, have shown N -nitrosomorpholine to have moderate to high acute toxicity from oral exposure.