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Methylmercury

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Identification
Molecular formula
CH3Hg+
CAS number
22967-92-6
IUPAC name
methyl(methylsulfanyl)mercury
State
State

At room temperature, methylmercury exists as a crystalline solid. Given its toxic nature, it is rarely handled in significant quantities in its pure form outside of controlled laboratory conditions.

Melting point (Celsius)
-50.00
Melting point (Kelvin)
223.15
Boiling point (Celsius)
95.00
Boiling point (Kelvin)
368.15
General information
Molecular weight
215.66g/mol
Molar mass
215.6590g/mol
Density
3.1900g/cm3
Appearence

Methylmercury is typically found in the form of white crystals. As a compound of mercury, it is often associated with mercury's metallic luster when in impure forms, but pure methylmercury is crystalline and lacks significant color.

Comment on solubility

Solubility of Methyl(methylsulfanyl)mercury

Methyl(methylsulfanyl)mercury, known for its unique organomercury structure, presents interesting solubility characteristics. This compound is generally recognized as having limited solubility in water, which is characteristic of many organometallic compounds. However, its solubility is significantly influenced by the following factors:

  • Polarity: The presence of both mercury and sulfur in its structure leads to increased polarity, impacting its interaction with solvents.
  • Solvent Choice: While poorly soluble in water, methyl(methylsulfanyl)mercury tends to exhibit better solubility in organic solvents such as dichloromethane or ethanol.
  • Temperature: Higher temperatures can enhance solubility in certain solvents, potentially increasing the dissolution rate.

As a result, it is crucial to carefully choose an appropriate solvent for experiments and applications involving this compound. In terms of practical applications, its solubility behavior can determine the efficacy of its use in various fields, particularly in environmental and analytical chemistry. Thus, understanding its solubility is essential for safe handling and effective utilization.

Interesting facts

Interesting Facts About Methyl(methylsulfanyl)mercury

Methyl(methylsulfanyl)mercury, often referred to in its simplified scientific nomenclature, is a fascinating organomercury compound characterized by its complex interaction with biological systems. Here are some compelling facts about this intriguing compound:

  • Biochemical Interactions: Methyl(methylsulfanyl)mercury is known to be a potent neurotoxin. It can cross the blood-brain barrier, leading to profound effects on both the nervous system and cognitive function.
  • Environmental Concerns: This compound is often referenced in discussions about mercury pollution. The transformation of elemental mercury to methylmercury occurs in aquatic environments, making it a significant concern for fish and human health.
  • Historical Significance: The implications of methylmercury poisoning were tragically highlighted in the Minamata Bay incident in Japan during the 1950s. The case became a pivotal moment in environmental health that raised awareness of the risks posed by organomercury compounds.
  • Regulatory Landscape: Due to its toxicity, the use of methyl(methylsulfanyl)mercury is heavily regulated globally. Numerous international agreements underscore the urgency of managing mercury emissions and minimizing exposure to this hazardous substance.
  • Research and Remedies: Continuous research is being conducted to understand the mechanisms of methylmercury toxicity. Approaches to mitigate the effects of exposure, including chelation therapy, are under investigation, illustrating the ongoing battle against mercury pollution.

As students of chemistry, it is vital to understand not only the chemical structure and properties of compounds like methyl(methylsulfanyl)mercury but also the broader implications of their use and presence in our environment. As the renowned chemist Marie Curie once stated, "One never notices what has been done; one can only see what remains to be done." This sentiment rings true as we continue to work towards safer and healthier environmental practices.

Synonyms
Methyl(methylthio)mercury
Methyl methylmercury sulfide
(Methanethiolato)methylmercury
Mercury methylmercury sulfide
Methyl methylmercuric sulfide
Mercury, methyl(methylthio)-
MERCURY, (METHANETHIOLATO)METHYL-
25310-48-9
RefChem:352009
SCHEMBL5103028
DTXSID001299882