What is calomel used for?
What is calomel used for?
Calomel, or mercurous chloride, probably originated inChina and was used by Paracelsian physicians in the 16th century. It was used to treat malaria and yellow fever, and a preparation called “wormchocolate” or “worm candy” was given to patients infested with helminths.
What is the chemical name of calomel?
mercury(I) chloride
calomel (Hg2Cl2), also called mercurous chloride or mercury(I) chloride, a very heavy, soft, white, odourless, and tasteless halide mineral formed by the alteration of other mercury minerals, such as cinnabar or amalgams.
What does mercury and iodine make?
Mercury diiodide is a mercury coordination entity composed of mercury and iodine with formula HgI2.
When did they stop using calomel?
Drawing from the Greek words for good and black (named so for its habit of turning black in the presence of ammonia), calomel was the medicine from the 16th to the early 20th century.
How is calomel made?
Calomel was manufactured in two ways – sublimation and precipitation. When calomel first started being manufactured it was done through sublimation. Calomel made through sublimation tends to be a very fine white powder. There was some controversy over the sublimation of calomel.
Is mercuric chloride poisonous?
Mercuric chloride is a very poisonous form of mercury. It is a type of mercury salt. There are different types of mercury poisonings.
Is hgcl2 toxic?
mercury compounds Mercury(II) chloride, HgCl2 (also called bichloride of mercury or corrosive sublimate), is perhaps the commonest bivalent compound. Although extremely toxic, this odourless, colourless substance has a wide variety of applications.
Is mercury iodide toxic?
Ingestion: May be fatal if swallowed. Poison by ingestion. May cause kidney damage. May cause severe digestive tract irritation with abdominal pain, nausea, vomiting and diarrhea.
Is mercury iodide soluble in water?
Insoluble in water and sinks in water.
Who invented calomel?
The substance later known as calomel was first documented in ancient Persia by medical historian Rhazes in year 850.
What was calomel used for in the Civil War?
Calomel (mercurous chloride) was used for diarrhea. Mercury is excreted in high concentration in saliva. This led to excessive salivation, loss of teeth, and gangrene of the mouth and cheeks in some patients.