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Methylthioninium iodide

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Identification
Molecular formula
C9H10INS
CAS number
38409-32-6
IUPAC name
3-methyl-2-methylsulfanyl-1,3-benzothiazol-3-ium;iodide
State
State

At room temperature, methylthioninium iodide is a solid. It is stable under normal conditions and does not evaporate as it is not a volatile substance.

Melting point (Celsius)
285.00
Melting point (Kelvin)
558.00
Boiling point (Celsius)
300.00
Boiling point (Kelvin)
573.00
General information
Molecular weight
285.15g/mol
Molar mass
285.1530g/mol
Density
2.4400g/cm3
Appearence

Methylthioninium iodide typically appears as a green or dark green crystalline solid. It is often found in a powdered form and has an intense color, which is a characteristic feature of many iodide salts.

Comment on solubility

Solubility of 3-methyl-2-methylsulfanyl-1,3-benzothiazol-3-ium iodide

The solubility of 3-methyl-2-methylsulfanyl-1,3-benzothiazol-3-ium iodide in various solvents is influenced by its unique structural features. This compound, being a quaternary ammonium salt, typically presents some interesting solubility characteristics. Here are some key points to consider:

  • Water Solubility: Generally, quaternary ammonium salts are soluble in water due to their ionic nature. However, the specific alkyl groups in this compound may affect this solubility.
  • Polar Solvents: It is likely to be soluble in polar solvents like methanol and ethanol, where the ionic interactions can be adequately stabilized.
  • Non-Polar Solvents: In comparison, the solubility in non-polar solvents such as hexane or toluene is expected to be low, as these solvents cannot effectively solvate the ionic components.
  • Effect of Iodide Ion: The iodide ion (I-) can enhance solubility in polar environments due to its ability to interact with water molecules, potentially promoting the overall solubility of this compound.

In conclusion, while 3-methyl-2-methylsulfanyl-1,3-benzothiazol-3-ium iodide may exhibit good solubility in water and polar organic solvents, its solubility in non-polar solvents is expected to be limited. As with many chemical compounds, understanding the balance of polar and non-polar interactions is crucial for predicting solubility behavior.

Interesting facts

Interesting Facts about 3-Methyl-2-methylsulfanyl-1,3-benzothiazol-3-ium Iodide

The compound 3-methyl-2-methylsulfanyl-1,3-benzothiazol-3-ium iodide is a fascinating example of a heterocyclic compound, representing a unique blend of sulfur and nitrogen in its structure. This compound falls under the category of benzothiazoles, which are known for their rich characteristics and varied applications.

Unique Characteristics

  • Structural Diversity: The presence of both methyl and iodide groups lends this compound interesting properties that can influence its reactivity and interaction with other substances.
  • Biological Activity: Benzothiazoles, including this compound, have been researched for their potential therapeutic effects such as antimicrobial and anticancer activities, making them important in medicinal chemistry.
  • Fluorescent Properties: Some derivatives of benzothiazoles exhibit fluorescence, which can be utilized in biological imaging and sensor applications, adding to the compound's versatility.

Applications in Science

The exploration of 3-methyl-2-methylsulfanyl-1,3-benzothiazol-3-ium iodide can lead to significant advancements in several fields:

  • Organic Synthesis: It can serve as a useful intermediate in the synthesis of various fine chemicals.
  • Material Science: Its properties may be exploited in the development of new materials like polymers and electronic devices.
  • Drug Development: There is ongoing research into its efficacy against various diseases, which could pave the way for novel therapeutic agents.

In conclusion, the study of 3-methyl-2-methylsulfanyl-1,3-benzothiazol-3-ium iodide not only enriches our understanding of chemical reactivity and synthesis but also holds potential for impactful applications in healthcare and technology. As chemists continue to investigate and unlock the potential of such compounds, we can only anticipate the exciting developments that lie ahead.

Synonyms
20064-98-6
Benzothiazolium, 3-methyl-2-(methylthio)-, iodide (1:1)
RefChem:566352
3-methyl-2-(methylthio)benzo[d]thiazol-3-ium iodide
BENZOTHIAZOLIUM, 3-METHYL-2-METHYLTHIO-, IODIDE
3-methyl-2-methylsulfanyl-1,3-benzothiazol-3-ium;iodide
MFCD00136112
3-methyl-2-(methylsulfanyl)-1,3-benzothiazol-3-ium iodide
3-Methyl-2-methylthiobenzothiazolium iodide
2-Methylmercaptobenzothiazole N-methiodide
C9H10INS2
LCZC1505
SCHEMBL7335651
SCHEMBL7335654
DTXSID90942081
AKOS003627205
G66611
3-methyl-2-(methylsulfanyl)-benzothiazolium iodide