What is the manifestation of trichloromethane poisoning? Jinhao chemical teaches you to prevent pois

Trichloromethane, also known as Chloroform, is an Chloroform based on the substitution of three hydrogen atoms of methane with chlorine. Colorless transparent liquid at room temperature, has a special smell, sweet taste, high refraction, non-burning, volatile. The pure product is sensitive to light and reacts with oxygen in the air when exposed to light, gradually decomposing to form highly toxic phosgene (carbonyl chloride) and hydrogen chloride. Today, jinhao chemical will introduce to you in detail, the performance of trichloromethane poisoning and how to prevent.

Chloroform enters the body through the respiratory tract, digestive tract and skin. It is quickly and completely absorbed by digestive tract, and can be quickly distributed to the whole body after mistakenly taking trichloromethane, but it has higher content in fat, brain, liver and kidney. When people inhale trichloromethane through respiratory tract, when the concentration is 120g/m3 or above, 3-5 min can cause death. When the concentration is 30~40g/m3, the patient will feel vomiting and dizziness. At a concentration of 10g/m3, dizziness and mild nausea followed inhalation for 15 min. Human hands immersed in 20000px3 trichloromethane liquid for 1 min is equivalent to inhaling 11.8g/m3 concentration of trichloromethane for 1 min.

Trichloromethane is moderately toxic, mainly ACTS on the central nervous system, has anesthetic effects, but also can damage the heart, liver and kidney. Acute poisoning can occur when inhaled in high concentrations or absorbed through the skin. Initial symptoms include headache, dizziness, nausea, vomiting, excitement, skin dampness, and mucous membrane irritation. Later, symptoms such as mental disorder, shallow breathing surface, disappearance of reflex, coma, etc. Severe cases of respiratory paralysis and ventricular fibrillation. At the same time can be accompanied by liver, kidney damage. In case of poisoning, the stomach will feel burning, accompanied by nausea, vomiting, abdominal pain and diarrhea. Chronic poisoning can result from long-term inhalation of low concentrations of trichloromethane or small amounts of skin contact. The main symptoms are vomiting, indigestion, loss of appetite, fatigue, headache, insomnia, etc., jaundice and abnormal liver function can be seen during physical examination, and a few people have kidney damage. Chloroform can irritate the skin and even cause skin burns. The skin feels burning first, and then erythema edema or blisters can occur. It can also cause dermatitis, eczema, dry skin and chaps.

So once trichloromethane poisoning, how to deal with it? Next, jinhao chemical will introduce the principle of treatment to you:

(1) currently, there is no specific antidote, and symptomatic and supportive treatment is mainly adopted.

(2) in case of poisoning by inhalation, leave the scene immediately and give oxygen and respiratory stimulant when necessary. Oral poisoning, as appropriate to give vomiting, gastric lavage and catharsis. When eyes and skin are contaminated, the skin is partially washed with water or soapy water. The eye can use clear water, normal saline or 2% boric acid solution to flush adequately.

(3) attention to liver care therapy.

(4) avoid morphine and epinephrine.

Preventive measures:

Switch to other less toxic solvents, such as gasoline, fuel oil as cleaning agent. Pay attention to the sealing of equipment in production, strengthen ventilation and personal protection, avoid skin contact. People with liver disease should not contact. Chloroform, when exposed to ultraviolet light and high heat, can form phosgene and is highly toxic. In the storage of chloroform, 1%~ 2% ethanol can be added to make the phosgene react with ethanol to form ethyl carbonate, so as to eliminate its toxicity.

Jinhao chemical company now sells 50,000 tons/year dichloromethane, 50,000 tons/year trichloromethane, 20,000 tons/year aniline, 20,000 tons/year dimethyl carbonate, 20,000 tons/year propylene glycol, 20,000 tons/year dichloroethane, 20,000 tons/year dichloropropane and other chemical products. The sales volume of the products ranks the top in China, and it is one of the largest sellers of methane chloride industry in China. Our products are exported to Europe, America, Africa, southeast Asia and more than 20 provinces and cities in China.

Business: 0546-6877447/6877977/6877177/6877577

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Company address: dongying king economic development zone, shandong province

Tags: trichloromethane