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Dichloromercury

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Identification
Molecular formula
HgCl2
CAS number
10112-91-1
IUPAC name
dichloromercury
State
State

At room temperature, dichloromercury is in a solid state. It is highly toxic and care should be taken while handling it. The compound sublimes rather than melting, meaning it transitions from solid to gas under specific conditions without passing through a liquid state, particularly upon heating.

Melting point (Celsius)
277.00
Melting point (Kelvin)
550.15
Boiling point (Celsius)
302.00
Boiling point (Kelvin)
575.15
General information
Molecular weight
271.50g/mol
Molar mass
271.5000g/mol
Density
3.9600g/cm3
Appearence

Dichloromercury appears as a white crystalline solid. It is typically a powder or might form crystal aggregates. The compound’s physical appearance can vary slightly depending on its purity and the conditions it was prepared under. It should be handled carefully as it is toxic and corrosive.

Comment on solubility

Solubility of Dichloromercury

Dichloromercury, with the chemical formula HgCl2, is an intriguing compound when it comes to solubility. Its behavior in various solvents can be summarized as follows:

  • Solubility in Water: Dichloromercury is relatively insoluble in water, posing challenges in aqueous reactions or when attempting to dissolve it in common laboratory conditions.
  • Solubility in Organic Solvents: Interestingly, it displays better solubility in organic solvents. Compounds such as ether or chloroform can serve as effective media for dissolving HgCl2.
  • General Characteristics: The limited solubility in water can be attributed to its ionic nature and the strong mercuric ion interactions, leading to the formation of a less stable solvate.
  • Temperature Effects: In certain cases, increasing the temperature can enhance the solubility of dichloromercury in organic solvents, an essential consideration for practical applications.

In conclusion, while dichloromercury (HgCl2) is poorly soluble in water, it showcases interesting solubility patterns in organic solvents. This characteristic must be considered when working with this compound in laboratory and industrial settings.

Interesting facts

Interesting Facts About Dichloromercury

Dichloromercury, often referred to as HgCl2, is a fascinating chemical compound that belongs to the group of organomercury compounds. Here are some intriguing aspects:

  • Historical Significance: Dichloromercury has historical importance in various fields, notably in the realm of medicine and toxicology. It was once used as a disinfectant and antiseptic.
  • Toxicity: As a mercury compound, dichloromercury exhibits high toxicity. It poses significant health risks, which have led to its decline in use. Awareness of its hazards is crucial in laboratory settings and industrial applications.
  • Applications: Although its use is limited due to safety concerns, dichloromercury can serve as a reagent in organic synthesis, showcasing its versatility in the field of chemistry.
  • Research Tool: Dichloromercury is utilized in scientific research to study the effects of mercury on biological systems and to develop protocols that mitigate its environmental impact.
  • Complex Behavior: This compound exhibits interesting behavior in reactions, often participating in complexation and coordination with other molecules, making it a subject of study for those interested in coordination chemistry.

In the words of a prominent chemist, "Understanding the properties of mercury compounds like dichloromercury is crucial for both advancing chemical knowledge and ensuring safety in their handling." This statement highlights the importance of balancing the potential applications of such compounds with the necessary precautionary measures.

In summary, dichloromercury stands as a remarkable example of how a compound can have both historical significance and current relevance, particularly in the context of public health and environmental safety.

Synonyms
MERCURIC CHLORIDE
Dichloromercury
Sublimate
Corrosive sublimate
Mercuric bichloride
Sublimat
Chlorure mercurique
HgCl2
Calochlor
Fungchex
Sulem
Bichlorure de mercure
Abavit B
Chlorid rtutnaty
Quecksilber chlorid
Cloruro di mercurio
Calocure
Caswell No. 544
Hydraargyrum bichloratum
TL 898
NCI-C60173
HSDB 33
CCRIS 4838
NSC 353255
UNII-53GH7MZT1R
EINECS 231-299-8
EPA Pesticide Chemical Code 052001
CHEBI:31823
Chlorure mercurique [ISO-French]
53GH7MZT1R
NSC353255
NSC-353255
Chlorure mercurique (ISO-French)
Chloride, Mercuric
Mercuric Perchloride
Sublimate, Corrosive
Perchloride, Mercuric
Caswell No 544
DTXSID40858724
MERCURIC CHLORIDE, (SOLID)
231-299-8
231-430-9
CRC
51312-24-4
dtxcid30811
dtxsid5020811
mercuric chloride (ep impurity)
mercuric chloride (ep monograph)
mercuric chloride (mart.)
mercury chloride
Mercury(II) chloride
Mercury bichloride
Mercury dichloride
7487-94-7
Mercury perchloride
Sulema
Corrosive mercury chloride
Perchloride of mercury
Bichloride of mercury
Mercury chloride (HgCl2)
Mercury(2+) chloride
mercury(II)chloride
dichlorure de mercure
Mercury (II) Chloride
ClHgCl
hydrargyrum bichloratum
Quecksilber(II)-chlorid
Mercuric chloride [JAN]
MFCD00011041
Mercury chloride (HgCl(2))
Mercuric chloride (JAN)
Sublimat [Czech]
Sulema [Russian]
Chlorid rtutnaty [Czech]
Chlorure mercurique [French]
Quecksilber chlorid [German]
Bichlorure de mercure [French]
Mercury chloride (2)
UN1624
Mercuric chloride [JAN:ISO]
cloruro de mercurio
mercury (II)chloride
mercury(II)-chloride
Mercuric chloride, solid
Epitope ID:158532
WLN: HG G2
Mercury(II) chloride, >=98%
Mercury(II) chloride, Puratronic?
Mercury(II) chloride, AR, >=99%
Mercury(II) chloride, LR, >=99%
DB13765
UN 1624
Mercuric chloride [UN1624] [Poison]
NCGC00249199-01
NCI60_003160
Mercury(II) chloride, ReagentPlus(R), 99%
D01905
Mercury(II) chloride, ACS reagent, >=99.5%
Q143200
Mercury(II) chloride, 99.999% trace metals basis
Mercury(II) chloride, p.a., ACS reagent, 99.5%
Mercury(II) chloride, JIS special grade, >=99.5%
Mercury(II) chloride, puriss. p.a., ACS reagent, >=99.5% (KT)
Mercury(II) chloride, anhydrous, powder, 99.998% trace metals basis
Mercury(II) chloride, anhydrous, beads, -10 mesh, 99.999% trace metals basis