Arsenic acid
Arsenic Acid
Arsenic acid (pronunciation: /ɑːrˈsɛnɪk æsɪd/), also known as arsenic(V) acid or arsenic pentoxide, is a chemical compound with the formula H3AsO4.
Etymology
The term "arsenic" originates from the Persian word Zarnikh meaning "yellow orpiment". It was later adopted by Greek as arsenikon. The term "acid" comes from the Latin word acidus meaning "sour".
Description
Arsenic acid is a weak acid and a powerful oxidizing agent. It is derived from arsenic and is a colorless, crystalline solid. It is soluble in water and in most organic solvents. It is primarily used in the manufacturing of glass, textiles, and paper, as well as in the treatment of wood.
Health Effects
Exposure to arsenic acid can cause a variety of health problems, including skin irritation, nausea, vomiting, diarrhea, and in severe cases, damage to the heart and nervous system. Long-term exposure can lead to chronic arsenic poisoning, also known as arsenicosis.
Safety Measures
Due to its toxic nature, handling of arsenic acid requires proper safety measures. It is recommended to use personal protective equipment, including gloves and safety glasses, and to work in a well-ventilated area. In case of accidental ingestion or inhalation, immediate medical attention is required.
Related Terms
- Arsenic: A chemical element with the symbol As and atomic number 33.
- Arsenicosis: A medical condition caused by the ingestion of large amounts of arsenic.
- Acid: A chemical substance that donates protons or hydrogen ions and/or accepts electrons.
External links
- Medical encyclopedia article on Arsenic acid
- Wikipedia's article - Arsenic acid
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