Yes, methylmorpholine is a hazardous substance. It is a flammable liquid and is irritating to skin and eyes. Methamorpholine can also be harmful if inhaled or ingested.

Here are some of the hazards associated with methylmorpholine:

Flammability: Methylmorpholine is a flammable liquid with a flash point of 100°F (38°C). It will ignite if exposed to heat, sparks or open flame.

Skin and Eye Irritation: Methylmorpholine is a skin and eye irritant. If it comes into contact with skin or eyes, it can cause redness, itching and burning.

Aspiration Hazard: Inhalation of methylmorpholine may be harmful. It can cause respiratory problems such as coughing, wheezing, and shortness of breath.

Ingestion hazard: Ingestion of methylmorpholine may be harmful. It can cause an upset stomach, vomiting and diarrhea.

If you are exposed to methylmorpholine, it is important to seek medical attention immediately.