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Phenylthiourea

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Identification
Molecular formula
C7H8N2S
CAS number
103-85-5
IUPAC name
N-phenylmethanimidothioic acid
State
State

At room temperature, phenylthiourea is typically in a solid state. It manifests as a crystalline powder, which is stable under normal conditions.

Melting point (Celsius)
154.00
Melting point (Kelvin)
427.15
Boiling point (Celsius)
200.00
Boiling point (Kelvin)
473.15
General information
Molecular weight
152.24g/mol
Molar mass
152.2360g/mol
Density
1.2330g/cm3
Appearence

Phenylthiourea appears as a white crystalline solid. It is noted for its high sensitivity to taste, often described as extremely bitter. This compound can also exist in other forms, such as powders or recrystallized forms, but the most common appearance is as colorless crystal structures.

Comment on solubility

Solubility of N-phenylmethanimidothioic Acid

N-phenylmethanimidothioic acid, with its complex structure, displays intriguing solubility characteristics. This compound is generally classified as having limited solubility in water, primarily due to the following factors:

  • Molecular Structure: The presence of the phenyl group can hinder interactions with water molecules.
  • Polarity: The thioic acid functional group adds some polarity; however, overall, the molecule may not be polar enough for significant solubility in polar solvents like water.
  • Hydrophobic Effects: The aromatic ring in the structure contributes to hydrophobicity, further reducing solubility in aqueous environments.

In non-polar solvents, however, N-phenylmethanimidothioic acid exhibits much higher solubility due to compatible interactions. This behavior highlights the principle of "like dissolves like" in chemistry — polar compounds tend to dissolve best in polar solvents, while non-polar compounds thrive in non-polar environments.

In summary, it can be said that N-phenylmethanimidothioic acid is:

  1. Weakly soluble in water
  2. More soluble in organic solvents such as ethanol or acetone

These solubility traits are essential for formulating applications in various chemical processes.

Interesting facts

Exploring N-phenylmethanimidothioic Acid

N-phenylmethanimidothioic acid, a sulfur-containing organic compound, is of interest in the realm of chemistry due to its unique structural properties and potential applications. This compound has several noteworthy aspects:

  • Biological Activity: Compounds containing imidothioic acid moieties often exhibit a range of biological activities. Research has suggested that derivatives of this compound might have potential as therapeutic agents.
  • Synthesis Versatility: Its synthesis can involve various methods, allowing for modifications to its structure. This versatility enables chemists to tailor its properties for specific applications.
  • Research Applications: N-phenylmethanimidothioic acid is significant in medicinal chemistry and agrochemicals due to its potential role in developing new drugs and pesticides.
  • Structural Characteristics: The presence of both a phenyl group and sulfur in the compound contributes to its reactivity and interactions with other molecules, making it a point of interest in studies focused on reaction mechanisms.
  • Safety Considerations: As with many sulfur-containing compounds, safety measures should be emphasized during handling and experimentation to mitigate any hazards associated with its use.

In summary, N-phenylmethanimidothioic acid is not only fascinating from a structural standpoint but also offers a myriad of possibilities for future research and applications, making it a valuable compound in the field of chemistry.