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Acid Blue 113

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Identification
Molecular formula
C28H19N3Na3O11S3
CAS number
3351-05-1
IUPAC name
4-[(4-anilino-5-sulfo-1-naphthyl)azo]-5-hydroxy-naphthalene-2,7-disulfonic acid
State
State

Acid Blue 113 is typically in a solid state at room temperature, appearing as a powder.

Melting point (Celsius)
0.00
Melting point (Kelvin)
0.00
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
681.63g/mol
Molar mass
0.0000g/mol
Density
0.9300g/cm3
Appearence

Acid Blue 113 is known for its vibrant blue appearance. It typically appears as a dark blue powder, which can be intensely colored when dissolved in water, manifesting as a rich blue solution.

Comment on solubility

Solubility of 4-[(4-anilino-5-sulfo-1-naphthyl)azo]-5-hydroxy-naphthalene-2,7-disulfonic acid

The compound 4-[(4-anilino-5-sulfo-1-naphthyl)azo]-5-hydroxy-naphthalene-2,7-disulfonic acid, commonly referred to in the field of chemistry as a sulfonic acid derivative, exhibits notable solubility characteristics. Its solubility can be influenced by several factors:

  • Polarity: The presence of multiple sulfonic acid groups emphasizes its highly polar nature, which generally enhances solubility in aqueous solvents.
  • Hydrogen Bonding: The hydroxyl group in its structure allows for potential hydrogen bonding, further promoting solubility in water.
  • Temperature Dependency: The solubility of this compound may increase with temperature, a common attribute observed in many organic acids.

In practical applications, this compound is often utilized in dye chemistry, where its solubility profile is advantageous for dyeing processes and as a pH indicator due to its structural properties. Overall, the extensive substitution of sulfonic acid groups significantly contributes to its high level of solubility, making it a versatile compound in various chemical contexts.

Interesting facts

Interesting Facts about 4-[(4-anilino-5-sulfo-1-naphthyl)azo]-5-hydroxy-naphthalene-2,7-disulfonic acid

This remarkable compound, commonly referred to as an azo dye, possesses intriguing properties and applications that make it highly significant in various fields. As a chemical scientist, I find that its complexity and utility open up several avenues for exploration:

  • Azo Dye Chemistry: The compound features an azo group (-N=N-), a classic functional group that contributes to the vibrant colors typical of azo dyes. The intense hues are due to the presence of conjugated pi systems that allow for extensive light absorption.
  • Biological Relevance: It's often used as a dye in biological experiments, particularly in histology and cytology for staining cells and tissues. This aids in the visualization of structures under a microscope, making it essential for research in biology and medicine.
  • Environmental Concerns: Despite their usefulness, azo dyes have raised environmental concerns. Some derivatives can be toxic and may release carcinogenic amines upon degradation. Efforts in chemical engineering are focusing on developing safer alternatives.
  • Analytical Techniques: The compound can be utilized in various analytical methods, such as spectrophotometry, to quantify specific biomolecules or study reaction kinetics. Its unique structure allows for selective absorption in certain wavelength ranges, enhancing detection capabilities.
  • Historical Context: Azo dyes have been in use since the mid-19th century. They played a pivotal role in the textile industry, revolutionizing fabric dyeing processes and significantly influencing fashion and design trends.
  • Future Research: Ongoing research into azo dyes focuses on green chemistry approaches to reduce their environmental impact, as well as the development of new applications in drug delivery systems and smart materials.

In summary, 4-[(4-anilino-5-sulfo-1-naphthyl)azo]-5-hydroxy-naphthalene-2,7-disulfonic acid symbolizes the intersection of artistry and science, where chemistry meets practicality and safety concerns. As we advance in our understanding, it remains a captivating subject within the field of organic chemistry!

Synonyms
Coomassie Blue
5-[(4-anilino-5-sulphonaphthyl)azo]-4-hydroxynaphthalene-2,7-disulphonic acid
2,7-Naphthalenedisulfonic acid, 4-hydroxy-5-((4-(phenylamino)-5-sulfo-1-naphthalenyl)azo)-
2,7-Naphthalenedisulfonic acid, 4-hydroxy-5-[[4-(phenylamino)-5-sulfo-1-naphthalenyl]azo]-
5-((4-Anilino-5-sulphonaphthyl)azo)-4-hydroxynaphthalene-2,7-disulphonic acid
78642-64-5
ANAZOLENE
7488-76-8
anazolene acid
Anazolene, acid
C.I. Acid Blue 92
4-[(4-anilino-5-sulfonaphthalen-1-yl)diazenyl]-5-hydroxynaphthalene-2,7-disulfonic acid
9JUJ56C686
Anazoleno sodico
Colacid Blue A
C.I. Acid Blue 92 ;L 451167
Coomassie Blue RL
8-(4-anilino-5-sulfo-1-naphthylazo)-1-naphthol-3,6-disulfonic acid
NSC47734
UNII-9JUJ56C686
EINECS 231-304-3
L 451167
SCHEMBL1476742
CHEMBL1555467
CHEMBL2365698
DTXSID4048355
SCHEMBL11148088
SCHEMBL26460213
CHEBI:135858
1-Naphthol-3,6-disulfonic acid, 8-(4-anilino-5-sulfo-1-naphthylazo)-
NS00082450
L-451167
L 451,167
Q27272640
4-((4-ANILINO-5-SULFO-1-NAPHTHYL)AZO)-5-HYDROXY-2,7-NAPHTHALENEDISULFONIC ACID
4-[(E)-(4-anilino-5-sulfo-1-naphthyl)azo]-5-hydroxy-naphthalene-2,7-disulfonic acid
2,7-NAPHTHALENEDISULFONIC ACID, 4-HYDROXY-5-((4-(PHENYLAMINO)-5-SULFO-1-NAPHTHALENYL)AZO)
4-Hydroxy-5-((4-(phenylamino)-5-sulfonaphthalen-1-yl)diazenyl)naphthalene-2,7-disulfonic acid