2.5% CS powder pepper ball is white or yellow crystal, with pepper flavor, insoluble in water, which can make the water source poisoned for a long time. It is easily soluble in alcohol, tobacco oil, etc. It will lose its toxicity in the presence of caustic soda, nitric acid, calcium hypochlorite and potassium permanganate. 2.5% CS powder pepper ball is mainly in the form of smoke or powder, causing poisoning. It has a strong sneezing effect and a strong tear inducing effect.

Symptoms of CS pepper ball poisoning: without protection, immediately after personnel contact with CS pepper ball toxic smoke, their eyes burn, a lot of tears, eyelid spasm, and seriously affect their vision; Severe cough, burning sensation of nose and throat; Sneezing, runny nose, respiratory disorders, chest tightness, and pain behind the sternum; Nausea and vomiting may occur at high concentration; There is burning pain on the skin, head and face, neck and wrist of the exposed part. In severe cases, erythema and small blisters may appear after several hours to more than ten hours. After leaving the contaminated area, the irritation symptoms relieved rapidly, and most of the symptoms disappeared after 5-10 minutes, and the vision could also be restored. Bronchopneumonia and pulmonary edema may occur after long-term exposure to the air contaminated with high concentration of CS, and some serious cases may die due to respiratory failure. The higher the temperature of the ring mirror, the more severe the irritation symptoms.