Arsenic trichloride
Arsenic Trichloride
Arsenic trichloride (pronunciation: ar-SEN-ik try-KLOR-ide) is a chemical compound with the formula AsCl3. It is a colorless liquid that has a pungent odor and is highly toxic.
Etymology
The term "arsenic" is derived from the Persian word Zarnikh meaning "yellow orpiment". The word was adopted by Greek as arsenikon. The term "trichloride" comes from the Greek tri meaning "three" and the Latin chloros meaning "greenish yellow", referring to the three chlorine atoms in the compound.
Description
Arsenic trichloride is a colorless, oily liquid that is highly toxic and has a strong, pungent odor. It is soluble in water and alcohol, and it reacts with water to form hydrochloric acid and arsenic acid. It is used in the manufacture of other arsenic compounds, in the glass industry, and as a chemical intermediate.
Health Effects
Exposure to arsenic trichloride can cause severe health effects, including skin and eye irritation, damage to the respiratory system, and even death. It is classified as a carcinogen by the International Agency for Research on Cancer (IARC).
Related Terms
- Arsenic: A chemical element with the symbol As and atomic number 33.
- Chlorine: A chemical element with the symbol Cl and atomic number 17.
- Hydrochloric acid: A strong, corrosive acid that is a colorless, pungent solution of hydrogen chloride in water.
- Arsenic acid: A weak acid and a powerful oxidizing agent, with the formula H3AsO4.
- Carcinogen: Any substance that promotes the formation of cancer.
External links
- Medical encyclopedia article on Arsenic trichloride
- Wikipedia's article - Arsenic trichloride
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