When heated, it decomposes to form hydrogen chloride, phosgene, carbon monoxide, and oxides of nitrogen. Decomposition can be explosive, and it can become shock sensitive. The LC50 for inhalation is 66 mg/m³ over 4 h, and the oral dose, LD50, is 250 mg/kg of body weight. Chloropicrin is incompatible with strong oxidizers, alcohols, and it has a UN four-digit identification number of 1580. The NFPA 704 designation for chloropicrin is flammability 0, health 4, reactivity 3, and special 0. The CAS number is 76-06-2.