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C.I. Direct Blue 1

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Identification
Molecular formula
C34H22N6Na2O8S2
CAS number
2429-73-4
IUPAC name
disodium;4-amino-3-[4-[4-[(1-amino-4-sulfonato-2-naphthyl)azo]-3-chloro-phenyl]-2-chloro-phenyl]azo-naphthalene-1-sulfonate
State
State

This compound is typically solid at room temperature, appearing in powdered form.

Melting point (Celsius)
365.00
Melting point (Kelvin)
638.00
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
740.58g/mol
Molar mass
740.5800g/mol
Density
1.4900g/cm3
Appearence

This compound appears as a deep blue or blue-black powder. It is commonly used as a dye, providing vibrant blue shades in textile and paper applications.

Comment on solubility

Solubility of Disodium 4-amino-3-[4-[4-[(1-amino-4-sulfonato-2-naphthyl)azo]-3-chloro-phenyl]-2-chloro-phenyl]azo-naphthalene-1-sulfonate

Disodium 4-amino-3-[4-[4-[(1-amino-4-sulfonato-2-naphthyl)azo]-3-chloro-phenyl]-2-chloro-phenyl]azo-naphthalene-1-sulfonate exhibits noteworthy solubility characteristics due to its ionic nature and sulfonate groups. Here are some key points regarding its solubility:

  • High Water Solubility: The presence of sulfonate groups typically enhances solubility in water, making this compound readily soluble in aqueous solutions.
  • Ionic Interaction: As a disodium salt, the ionic interactions facilitate solubility by allowing the compound to dissociate heavily in water.
  • Temperature Dependence: Like many compounds, solubility may vary with temperature; generally, an increase in temperature can lead to increased solubility in most solvents.
  • Organic Solvents: The solubility in organic solvents may be lower due to the polar nature of the compound, where non-polar solvents might struggle to dissolve it effectively.

In summary, the solubility of this compound is primarily influenced by its ionic character and the functional groups present. As noted, "high water solubility" is a distinguishing feature of disodium salts, which is advantageous for various applications in biochemical research and dye manufacturing.

Interesting facts

Interesting Facts about Disodium 4-Amino-3-[4-[4-[(1-Amino-4-sulfonato-2-naphthyl)azo]-3-chloro-phenyl]-2-chloro-phenyl]azo-naphthalene-1-sulfonate

Disodium 4-amino-3-[4-[4-[(1-amino-4-sulfonato-2-naphthyl)azo]-3-chloro-phenyl]-2-chloro-phenyl]azo-naphthalene-1-sulfonate, commonly known in the chemical world as a dye, is a fascinating compound with a rich history and a variety of applications. Here are some intriguing insights:

  • Vibrant Applications: This compound is primarily used in the textile industry as a dye, particularly in the production of vibrant colors in fabrics.
  • Color Chemistry: The azo group (-N=N-) present in the compound is responsible for its bright coloration, making it a staple in various dye formulations.
  • Environmental Considerations: As with many synthetic dyes, there is ongoing research into the environmental impact of azo dyes, especially concerning their biodegradability and toxicity.
  • Analytical Techniques: This compound is often studied using advanced analytical methods, such as UV-Vis spectroscopy and high-performance liquid chromatography (HPLC), to assess its concentration and stability in solutions.
  • Historical Significance: Azo dyes have a storied past, as they were some of the first synthetic dyes to be used commercially in the 19th century, revolutionizing the dyeing industry.
  • Cultural Impact: The bright colors derived from azo dyes have not only impacted the textile industry but also play a significant role in art and design, influencing cultural aesthetics over time.

In summary, disodium 4-amino-3-[4-[4-[(1-amino-4-sulfonato-2-naphthyl)azo]-3-chloro-phenyl]-2-chloro-phenyl]azo-naphthalene-1-sulfonate is not only an important industrial dye but also a fascinating compound that signifies the intersection of chemistry, art, and environmental science.

Synonyms
6470-31-1
Disodium 3,3'-((3,3'-dichloro(1,1'-biphenyl)-4,4'-diyl)bis(azo))bis(4-aminonaphthalene-1-sulphonate)
disodium;4-amino-3-[[4-[4-[(1-amino-4-sulfonatonaphthalen-2-yl)diazenyl]-3-chlorophenyl]-2-chlorophenyl]diazenyl]naphthalene-1-sulfonate
C.I. DIRECT RED 61, DISODIUM SALT
EINECS 229-296-1
NRXDNEXGDVFWIR-UHFFFAOYSA-L
DTXSID801023083
C.I. Direct Red 61 disodium salt
Disodium 3,3'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis(4-aminonaphthalene-1-sulfonate)
NS00046478