KCN poisoning symptoms?

summary

White round hard lump, granular or crystalline powder, highly toxic. It deliquesces in wet air and releases trace hydrogen cyanide gas. It is easily soluble in water and slightly soluble in alcohol. The aqueous solution is strongly alkaline and hydrolyzes quickly. 857g / cm ^ 3, boiling point 1497 ℃, melting point 563 ℃. Contact with skin wounds or inhalation of micro powder can be poisoned to death. Contact with acid decomposition can release highly toxic hydrogen cyanide gas, mixed with chlorate or sodium nitrite can cause explosion.

KCN poisoning symptoms?

Inhibition of respiratory enzymes, resulting in cell asphyxia. Inhalation, oral or percutaneous absorption can cause acute poisoning. Oral administration of 50-100 Mg can cause sudden death.

Non sudden death can be divided into four stages: the prodromal stage includes mucous membrane stimulation, rapid and deepening breathing, fatigue, headache, oral administration includes tip of tongue, oral numbness, etc; In dyspnea stage, dyspnea, high blood pressure and bright red skin and mucous membrane were found;

Convulsions, coma and respiratory failure occurred during convulsion; During the paralytic period, the whole body muscle relaxes, and the heart stops breathing and dies. Long term exposure to a small amount of cyanide resulted in neurasthenia syndrome, eye and upper respiratory tract irritation. It can cause skin rash.

matters needing attention

Smoking, eating and drinking are prohibited at the work site. Clean thoroughly after work. The workshop should be equipped with first aid equipment and medicine. Store the clothes contaminated by poison separately and reserve them after washing. Operators should learn to help themselves and each other.