Mercury chloride

Reported in EPA TSCA Inventory.

The Mercury chloride with CAS registry number of 10112-91-1 is also known as Calomel. The IUPAC name is Chloromercury. Its EINECS registry number is 233-307-5. In addition, the formula is Cl₂Hg₂ and the molecular weight is 472.09. This chemical is a off-white amorphous powder that may cause damage to health and may present an immediate or delayed danger to one or more components of the environment. It is slightly soluble in dilute nitric acid can be used as preservative and analytical reagent. What's more, it also can be used for the pharmaceutical industry.

Physical properties about Mercury chloride are: (1)Exact Mass: 471.87664; (2)MonoIsotopic Mass: 473.878957; (3)Heavy Atom Count: 4; (4)Complexity: 4; (5)Covalently-Bonded Unit Count: 2.

Preparation of Mercury chloride: it is prepared by the reaction of elemental mercury and mercuric chloride. Equation is as follows:

Hg + HgCl₂ → Hg₂Cl₂

Uses of Mercury chloride: it is used to produce mercury(II) chloride with another product of elemental mercury upon exposure to UV light. Equation is as follows:

Hg₂Cl₂ → HgCl₂ + Hg

When you are using this chemical, please be cautious about it. As a chemical, it is irritating to eyes, respiratory system and skin. It is harmful if swallowed and also very toxic to aquatic organisms that may cause long-term adverse effects in the aquatic environment. During using it, avoid contact with skin and eyes. Keep away from food, drink and animal feeding stuffs.  Avoid release to the environment. If swallowed, seek medical advice immediately and show this container or label. After using it, this material and its container must be disposed of as hazardous waste.

You can still convert the following datas into molecular structure:
1. Canonical SMILES: Cl[Hg].Cl[Hg]
2. InChI: InChI=1S/2ClH.2Hg/h2*1H;;/q;;2*+1/p-2
3. InChIKey: ZOMNIUBKTOKEHS-UHFFFAOYSA-L

The toxicity data is as follows: