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Chlorazol Black E

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Identification
Molecular formula
C16H12ClN3O7S2
CAS number
1937-37-7
IUPAC name
5-chloro-2-hydroxy-3-[[5-methyl-3-oxo-2-(3-sulfophenyl)-1H-pyrazol-4-yl]azo]benzenesulfonic acid
State
State

At room temperature, Chlorazol Black E is typically a solid. It is stable under ordinary conditions of use and storage, and care should be taken to prevent dust formation and avoid inhalation.

Melting point (Celsius)
76.00
Melting point (Kelvin)
349.15
Boiling point (Celsius)
350.00
Boiling point (Kelvin)
623.15
General information
Molecular weight
466.88g/mol
Molar mass
466.8800g/mol
Density
1.4560g/cm3
Appearence

Chlorazol Black E usually appears as a dark brown or black powder, showcasing a distinct deep coloration characteristic of azo compounds. This compound, due to its chemical structure, is designed to impart a rich hue, widely utilized in dyeing applications.

Comment on solubility

Solubility of 5-Chloro-2-hydroxy-3-[[5-methyl-3-oxo-2-(3-sulfophenyl)-1H-pyrazol-4-yl]azo]benzenesulfonic acid

The solubility of 5-chloro-2-hydroxy-3-[[5-methyl-3-oxo-2-(3-sulfophenyl)-1H-pyrazol-4-yl]azo]benzenesulfonic acid is an intriguing aspect of this compound, influencing various applications in chemistry and biochemistry.

Typically, when considering solubility, several factors come into play:

  • Polarity: This compound contains both sulfonic acid groups and a hydroxy group, which enhances its polarity and ability to dissolve in polar solvents, particularly water.
  • Ionization: The presence of the sulfonic acid group leads to significant ionization in an aqueous solution, contributing to its overall solubility.
  • Temperature: Like many compounds, solubility may increase with temperature, allowing for enhanced interaction with solvent molecules.
  • Compound Structure: The complex structure, including azo and methyl groups, can affect how tightly the molecules associate with one another and with solvents.

In summary, this compound exhibits a high degree of solubility in water due to its polar functional groups and ability to ionize, making it a useful candidate in aqueous environments. Its unique structure further accentuates its solubility properties, aligning with the principles of chemistry regarding solute-solvent interactions.

Interesting facts

Interesting Facts about 5-Chloro-2-hydroxy-3-[[5-methyl-3-oxo-2-(3-sulfophenyl)-1H-pyrazol-4-yl]azo]benzenesulfonic Acid

The compound 5-chloro-2-hydroxy-3-[[5-methyl-3-oxo-2-(3-sulfophenyl)-1H-pyrazol-4-yl]azo]benzenesulfonic acid is a fascinating example of a complex organic molecule known for its application in dye chemistry and analytical chemistry.

Key Features:

  • Azo Compound: This compound features an azo group (-N=N-), which is known for its vibrant colors and is widely used in dye manufacturing.
  • Utility in Dyes: The sulfonic acid group enhances the solubility of dyes in aqueous solutions, making compounds like these valuable in textiles.
  • Therapeutic Potential: Compounds related to this structure are often being studied for potential therapeutic applications, particularly in targeting specific biological pathways.
  • Analytical Chemistry: It might be utilized in methods such as spectrophotometry for the detection of metal ions due to its complex formation abilities.

Researchers often note that the introduction of substituents like chlorine and sulfonic acid groups not only influences the stability and reactivity of the compound but also its interaction with biological systems. As a relatively complex compound, it serves as an excellent representation of how various functional groups can collaborate to create a molecule with unique properties and applications.

In summary, 5-chloro-2-hydroxy-3-[[5-methyl-3-oxo-2-(3-sulfophenyl)-1H-pyrazol-4-yl]azo]benzenesulfonic acid exemplifies the intricate design of chemicals and their versatility across multiple fields, including synthetic chemistry and material sciences.

Synonyms
SCHEMBL11308783
SCHEMBL19678659
BENZENESULFONIC ACID, 5-CHLORO-2-HYDROXY-3-((3-METHYL-5-OXO-1-(M-SULFOPHENYL)-2-PYRAZOLIN-4-YL)AZO)-
BENZENESULFONIC ACID, 5-CHLORO-3-((4,5-DIHYDRO-3-METHYL-5-OXO-1-(3-SULFOPHENYL)-1H-PYRAZOL-4-YL)AZO)-2-HYDROXY-
BENZENESULFONIC ACID, 5-CHLORO-3-(2-(4,5-DIHYDRO-3-METHYL-5-OXO-1-(3-SULFOPHENYL)-1H-PYRAZOL-4-YL)DIAZENYL)-2-HYDROXY-