There are often all kinds of items in our lives, but not every item has many benefits to our body. For example, hydrochloric acid can cause certain harm to our body. We all know that hydrochloric acid is a highly volatile gas, which is often inhaled into the body through the mouth and nose. However, due to its certain irritation, hydrochloric acid has many side effects on our body. Let us understand the hazards of hydrochloric acid. Hydrochloric acid is an aqueous solution of hydrogen chloride, a mixture. Pure hydrochloric acid is a colorless liquid with a pungent odor. Industrial concentrated hydrochloric acid is yellow in color because it contains impurities (Fe3+). Concentrated hydrochloric acid is volatile. When the bottle cap of concentrated hydrochloric acid is opened, white acid mist will immediately appear at the bottle mouth. This is because the hydrogen chloride gas evaporated from the concentrated hydrochloric acid comes into contact with water vapor in the air, forming small hydrochloric acid droplets that disperse in the air to form acid mist. Strong acid, reacts with alkali to produce chloride and water What are the hazards of hydrochloric acid? Contact with its vapor or smoke can cause acute poisoning, resulting in conjunctivitis, burning sensation of the nasal and oral mucosa, epistaxis, gingival bleeding, tracheitis, etc. Accidental ingestion may cause gastrointestinal burns, ulcer formation, and may cause gastric perforation, peritonitis, etc. Contact with eyes and skin may cause burns. Chronic effects: Long-term contact can cause chronic rhinitis, chronic bronchitis, tooth erosion and skin damage. Environmental hazards: It is harmful to the environment and may cause pollution to water and soil. Explosion hazard: This product is non-flammable, highly corrosive and irritating, and can cause burns to the human body. Toxicological data and environmental behavior Acute toxicity: LD50900mg/kg (rabbit oral); LC503124ppm, 1 hour (rat inhalation) Hazardous characteristics: Can react with some active metal powders to release hydrogen. It can produce highly toxic hydrogen cyanide gas when it comes into contact with cyanide. It reacts with alkali to produce a large amount of heat. Highly corrosive. Combustion (decomposition) products: Hydrogen chloride Our life is always colorful, and all things are multifaceted. There is always a good side and a bad side to us. Through understanding the harmful effects on human health, we must learn to play to our strengths and avoid our weaknesses, and try to make full use of and discover the advantages and good sides of things. |
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