Nitrocyclohexane is an organic compound with the molecular formula C6H11NO2. It is listed as an extremely hazardous substance by the Emergency Planning and Community Right-to-Know Act, and the NOAA warns that it can be explosive. It is a colorless liquid, or a pale yellow liquid. Nitrocyclohexane is an organic compound with the molecular formula C6H11NO2. It is listed as an extremely hazardous substance by the Emergency Planning and Community Right-to-Know Act, and the NOAA warns that it can be explosive. It is a colorless liquid, or a pale yellow liquid. At standard temperature and pressure, it is a liquid, and has a melting point of -34 °C, and a boiling point of 205.8 °C. Its density is 1.061 g/cm3, and it is slightly soluble in water. Nitrocyclohexane is highly flammable and a strong oxidizing agent. It is listed as an extremely hazardous substance by the Emergency Planning and Community Right-to-Know Act, and the NOAA warns that it can be explosive. It is very toxic. According to the National Institute of Health, 'No reports of human poisoning cases found; Causes seizures and liver injury in animal studies; At lethal concentrations, inhalation causes excitement, somnolence, muscle contractions, and fatty liver degeneration in mice; Causes convulsions in rats after feeding lethal doses;', and it is 'highly toxic by inhalation; Effects in high-dose animal studies include convulsions.'