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Thallium(I) chloride

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Identification
Molecular formula
TlCl
CAS number
7791-12-0
IUPAC name
chlorothallium
State
State

At room temperature, thallium(I) chloride is in the solid state.

Melting point (Celsius)
433.00
Melting point (Kelvin)
706.15
Boiling point (Celsius)
720.00
Boiling point (Kelvin)
993.15
General information
Molecular weight
239.84g/mol
Molar mass
239.8380g/mol
Density
7.0005g/cm3
Appearence

Thallium(I) chloride appears as a white crystalline solid, often found in a powdered form or as small crystals. It generally does not emit any odor and is opaque.

Comment on solubility

Solubility of Chlorothallium

Chlorothallium, represented by the chemical formula TlCl, exhibits fascinating solubility properties in various solvents. Here are some key points to consider about its solubility:

  • Solvent Interaction: Chlorothallium is soluble in water, which is noteworthy given its metal halide composition. The solubility is largely influenced by the ionic nature of the compound.
  • Temperature Dependency: The solubility of TlCl in water may increase with temperature, showcasing typical behavior observed in many ionic compounds. This means that at higher temperatures, more TlCl can dissolve compared to lower temperatures.
  • Polar Versus Non-Polar: As a polar compound, chlorothallium tends to be less soluble in non-polar solvents, as is the case with most ionic compounds which favor polar environments.
  • Solvation Effects: The presence of water molecules facilitates the dissociation of TlCl into thallium cations (Tl+) and chloride anions (Cl-), enhancing the overall solubility.

In summary, chlorothallium demonstrates a relatively good solubility profile in polar solvents, with water being the most prominent example. The understanding of its solubility behavior is essential for various applications, particularly in chemical synthesis and analytical chemistry. In essence, as the saying goes, "Like dissolves like"—and chlorothallium exemplifies this principle in action.

Interesting facts

Interesting Facts about Chlorothallium

Chlorothallium is a fascinating chemical compound with unique properties and applications. As a thallium salt, it exhibits some intriguing characteristics that are paramount to its usage in various fields. Here are some noteworthy aspects:

  • Composition: Chlorothallium contains thallium (Tl), a heavy metal notable for its versatile applications in electronics, optics, and even in some medicinal compounds.
  • Historical Insight: Thallium was first discovered in 1861 by Sir William Crookes, which paved the way for the exploration of its compounds, including Chlorothallium.
  • Chemical Behavior: Chlorothallium is classified as an ionic compound, which means it forms through the transfer of electrons between atoms, leading to strong electrostatic attraction between the ions.
  • Utilization: Chlorothallium has been used in some areas of research, particularly in studying the behavior of thallium in biological systems and its potential impacts on human health.
  • Safety Concerns: Being a thallium compound, Chlorothallium poses certain health risks, leading to strict regulations regarding handling and disposal. Thallium’s toxicity warrants caution and awareness among users.

In the words of a renowned chemist, "Understanding compounds like Chlorothallium not only advances scientific knowledge but also raises awareness of the delicate balance between utility and safety in chemical research."

In sum, Chlorothallium is more than just a chemical formula; it serves as a reminder of the complexities of chemical interactions and the importance of responsible scientific inquiry.

Synonyms
Thallium chloride
Thallium(I) chloride
THALLOUS CHLORIDE
Thallium monochloride
7791-12-0
Thallium(1+) chloride
Thallium chloride (TlCl)
Thallium chloride (VAN)
RCRA waste number U216
chloridothallium
HSDB 6066
EINECS 232-241-4
NSC 15197
[TlCl]
CHEBI:37117
37CB58V15B
NSC-15197
(TlCl)
Thallium chloride TlCl
THALLIUM CHLORIDE(TLCL)
DTXCID104333
THALLIUM (1+) CHLORIDE
THALLIUM CHLORIDE (TICL)
232-241-4
dtxsid6024333
thallium chloride [mi]
thallous chloride [hsdb]
chlorothallium
TlCl
MFCD00011274
RCRA waste no. U216
UNII-37CB58V15B
WLN: TL G
Thallium chloride, (TlCl)
Thallium(I) chloride, 99%
Thallium(I) chloride, ultra dry
NSC15197
AKOS015916191
DB09316
Q425234
Thallium(I) chloride, 99.999% trace metals basis