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Reactive Blue 4

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Identification
Molecular formula
C32H20N6Na4O14S4
CAS number
13324-20-4
IUPAC name
5-amino-3-[4-[4-[(8-amino-1-hydroxy-3,6-disulfo-2-naphthyl)azo]-3-hydroxy-phenyl]-2-hydroxy-phenyl]azo-4-hydroxy-naphthalene-2,7-disulfonic acid
State
State

At room temperature, Reactive Blue 4 is typically in a solid state, appearing as a powder.

Melting point (Celsius)
300.00
Melting point (Kelvin)
573.15
Boiling point (Celsius)
420.00
Boiling point (Kelvin)
693.15
General information
Molecular weight
992.82g/mol
Molar mass
992.8200g/mol
Density
1.7500g/cm3
Appearence

Reactive Blue 4 is typically a dark blue powder. The compound is used predominantly as a dye and appears as a crisp blue in its dissolved form.

Comment on solubility

Solubility of 5-amino-3-[4-[4-[(8-amino-1-hydroxy-3,6-disulfo-2-naphthyl)azo]-3-hydroxy-phenyl]-2-hydroxy-phenyl]azo-4-hydroxy-naphthalene-2,7-disulfonic acid

The solubility of the compound 5-amino-3-[4-[4-[(8-amino-1-hydroxy-3,6-disulfo-2-naphthyl)azo]-3-hydroxy-phenyl]-2-hydroxy-phenyl]azo-4-hydroxy-naphthalene-2,7-disulfonic acid is influenced by its complex structure featuring multiple functional groups that contribute to its solvation characteristics. Here are key points regarding its solubility:

  • Water Solubility: Due to the presence of several sulfonic acid groups, this compound is expected to have high water solubility, making it readily dissolvable in aqueous environments.
  • Polar and Ionic Interactions: The ionic nature of the sulfonate groups allows for strong interactions with polar solvents, enhancing solubility.
  • Temperature Dependency: As with many organic compounds, solubility may increase with rising temperature, though specific solubility data can vary.

In summary, the solubility characteristics of this compound highlight its potential utility in various applications, particularly in aqueous systems where its solubility can be maximized. Its design suggests a strong affinity for polar solvents, resulting in the potential for effective utilization in diverse chemical environments.

Interesting facts

Interesting Facts about 5-amino-3-[4-[4-[(8-amino-1-hydroxy-3,6-disulfo-2-naphthyl)azo]-3-hydroxy-phenyl]-2-hydroxy-phenyl]azo-4-hydroxy-naphthalene-2,7-disulfonic acid

This complex compound, often recognized by its extensive name, is a fascinating example of azo dyes, which are characterized by the presence of one or more azo groups (-N=N-). Azo dyes are significant in the chemical industry due to their vibrant colors and wide-ranging applications.

Key Characteristics:

  • Colorant Properties: The compound is known for its striking color properties, making it a valuable resource in the textile industry.
  • Biodegradability: Studies show that certain azo dyes can be broken down by bacteria, offering insights into developing eco-friendly dyes.
  • Analytical Applications: This compound's unique structure allows it to be utilized in various analytical techniques, particularly in detecting and quantifying other compounds.

Moreover, its structural intricacies, which include multiple hydroxyl and sulfonic acid groups, enhance its solubility in water and increase its affinity for fabric fibers. This makes it exceptionally useful in dyeing processes where solvent efficiency is paramount.

Research Perspectives:

Research on azo dyes, including this compound, often focuses on:

  • Exploring their potential toxicity and environmental impacts.
  • Investigating alternative synthesis methods that are more sustainable.
  • Understanding their chemical behavior under various conditions, which can lead to the design of new, innovative dyes.

As a scientist studying this compound, one might be intrigued by the quote from renowned chemist Richard Feynman: "The essence of science is the discovery of the not obvious." In the case of 5-amino-3-[4-[4-[(8-amino-1-hydroxy-3,6-disulfo-2-naphthyl)azo]-3-hydroxy-phenyl]-2-hydroxy-phenyl]azo-4-hydroxy-naphthalene-2,7-disulfonic acid, uncovering the hidden potentials and applications of such complex structures is a testament to the ever-evolving nature of chemical research.

Synonyms
SCHEMBL14773728