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C.I. Acid Red 14

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Identification
Molecular formula
C17H13N3O7S2
CAS number
3567-66-6
IUPAC name
3-oxo-2-(4-sulfophenyl)-4-(4-sulfophenyl)azo-1H-pyrazole-5-carboxylic acid
State
State

At room temperature, C.I. Acid Red 14 is typically in a solid state. It is often stored in powder form for use in various applications, primarily textile and paper industries.

Melting point (Celsius)
0.00
Melting point (Kelvin)
0.00
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
514.48g/mol
Molar mass
514.4810g/mol
Density
0.4932g/cm3
Appearence

The compound typically appears as a reddish-brown powder or granules. The exact appearance can vary slightly based on the physical form or purity of the sample. It is generally used in dyeing processes and may appear as a deep crimson color when dissolved in solution.

Comment on solubility

Solubility of 3-oxo-2-(4-sulfophenyl)-4-(4-sulfophenyl)azo-1H-pyrazole-5-carboxylic acid

The solubility of 3-oxo-2-(4-sulfophenyl)-4-(4-sulfophenyl)azo-1H-pyrazole-5-carboxylic acid can be described as follows:

  • Water Solubility: This compound is highly hydrophilic due to the presence of multiple sulfonic acid groups, which enhance its solubility in water.
  • Polar Solvents: It is predicted to exhibit good solubility in polar solvents, thanks to its ionic nature.
  • Non-Polar Solvents: However, it is likely to have very limited solubility in non-polar organic solvents due to its overall polar structure.

In summary, the high degree of polarity and the presence of functional groups such as sulfonic acid contribute significantly to the solubility profile of this compound. Consequently, when considering its applications, particularly in aqueous environments, one can expect favorable solubility characteristics.

Interesting facts

Interesting Facts about 3-oxo-2-(4-sulfophenyl)-4-(4-sulfophenyl)azo-1H-pyrazole-5-carboxylic acid

This compound holds a unique position in the realm of synthetic chemistry, primarily due to its azo structure which can lead to vibrant colorations. Azo compounds are notable for their property of extensive chromophoric behavior, which enables their use as dyes and pigments. Here are some intriguing aspects of this particular compound:

  • Versatile Applications: Due to its ability to impart color, it finds applications in various industries, including textile, food, and cosmetics, where it can be utilized as a dye and a coloring agent.
  • Structural Features: The presence of both carboxylic acid and sulfophenyl groups enhances its solubility in water, making it suitable for aqueous applications and formulations.
  • Environmental Considerations: Like many azo compounds, it is essential to consider its environmental impact. Some azo dyes can break down into aromatic amines, which may be hazardous; thus, understanding its behavior in biological systems is crucial.
  • Analytical Uses: This compound can serve as a marker in various analytical chemistry techniques, owing to its distinctive spectral properties and stability.

As with many compounds, the importance of 3-oxo-2-(4-sulfophenyl)-4-(4-sulfophenyl)azo-1H-pyrazole-5-carboxylic acid goes beyond its practical applications; it also challenges chemists to explore the boundaries of synthesis and environmental safety. This compound exemplifies the balance required in modern chemistry: innovation must align with sustainability.

Synonyms
FD&C Yellow No. 5 free acid
SCHEMBL112423
SCHEMBL5352325
SCHEMBL5352332
CHEMBL2365709
CHEMBL4792247
DTXSID8047212
SCHEMBL12231016
ACID YELLOW 23 FREE ACID
NCGC00249065-01
C.I. ACID YELLOW 23 (FREE ACID)
NS00015689
Q27265507
5-hydroxy-1-(4-sulfophenyl)-4-(4-sulfophenylazo)pyrazole-3-carboxylic acid
5-hydroxy-1-(4-sulfophenyl)-4-[(4-sulfophenyl)azo]pyrazole-3-carboxylic acid
1H-PYRAZOLE-3-CARBOXYLIC ACID, 4,5-DIHYDRO-5-OXO-1-(4-SULFOPHENYL)-4-(2-(4-SULFOPHENYL)DIAZENYL)-
4,5-Dihydro-5-oxo-1-(4-sulfophenyl)-4-[2-(4-sulfophenyl)diazenyl]-1H-pyrazole-3-carboxylic acid