Mercurous chloride meaning

Mercurous chloride is a toxic compound used historically in medicine and photography.


Mercurous chloride definitions

Word backwards suorucrem edirolhc
Part of speech The part of speech of the word "mercurous chloride" is a noun.
Syllabic division mer-cu-rous chlo-ride
Plural The plural form of mercurous chloride is mercurous chlorides.
Total letters 17
Vogais (4) e,u,o,i
Consonants (7) m,r,c,s,h,l,d

Mercurous chloride, also known as calomel, is a chemical compound composed of mercury and chlorine with the molecular formula Hg2Cl2. This compound is a white crystalline solid that is insoluble in water. It has been historically used for various purposes due to its unique properties.

Properties of Mercurous Chloride

Mercurous chloride has a low solubility in water and is commonly found in the mineral calomel. It can decompose when exposed to light, turning gray or black in color. The compound is known for its toxicity and must be handled with care. Its molecular weight is 472.086 g/mol.

Uses of Mercurous Chloride

Mercurous chloride has been used in various applications throughout history. It was commonly used in medicine as a diuretic and purgative. However, due to its toxic nature, its medical use has significantly declined. The compound has also been employed in electrochemistry and as a catalyst in organic synthesis.

Preparation and Synthesis

Mercurous chloride can be prepared by the reaction of mercury(I) nitrate with hydrochloric acid. It can also be synthesized by the reaction of mercury(II) chloride with mercury(I) nitrate. The compound can be obtained in a pure form through careful laboratory procedures.

Health and Safety Concerns

Due to its toxicity, mercurous chloride poses significant health risks if ingested, inhaled, or absorbed through the skin. Long-term exposure to this compound can lead to mercury poisoning, which can cause a variety of health problems. Proper precautions must be taken when handling mercurous chloride to avoid any adverse effects.

In conclusion, mercurous chloride is a chemical compound with diverse applications but must be handled with caution due to its toxic nature. Understanding its properties, uses, preparation methods, and health risks is essential for ensuring safe handling and application in various fields.


Mercurous chloride Examples

  1. Mercurous chloride is also known as calomel and has been used in traditional medicine.
  2. The formation of white precipitate upon mixing mercurous chloride with hydrochloric acid indicates its presence.
  3. Historically, mercurous chloride was used in various industries such as photography and cosmetics.
  4. Exposure to mercurous chloride can cause mercury poisoning if not handled properly.
  5. Mercurous chloride is sparingly soluble in water, forming a suspension known as "Horn Silver".
  6. Before modern regulations, mercurous chloride was used as a laxative and diuretic in medicine.
  7. The bright yellow color of mercurous chloride distinguishes it from other mercury compounds.
  8. In the past, mercurous chloride was employed in the production of felt hats to make them shiny.
  9. Due to its toxic nature, mercurous chloride is now largely obsolete in commercial applications.
  10. Mercurous chloride has been a subject of study in chemistry due to its interesting properties.


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  • Updated 01/05/2024 - 21:33:27