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Reactive Black 5

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Identification
Molecular formula
C26H21N5Na2O19S6
CAS number
17095-24-8
IUPAC name
disodium;3-[[4-(dihydroxyamino)phenyl]hydrazono]-4-imino-5-oxo-6-[[4-[4-[(4-oxocyclohexa-2,5-dien-1-ylidene)hydrazono]cyclohexa-2,5-dien-1-ylidene]cyclohexa-2,5-dien-1-ylidene]hydrazono]naphthalene-2,7-disulfonate
State
State

At room temperature, Reactive Black 5 is typically found in a solid state. It is often available as a powder dye used in industrial applications.

Melting point (Celsius)
0.00
Melting point (Kelvin)
0.00
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
991.82g/mol
Molar mass
991.8220g/mol
Density
0.7500g/cm3
Appearence

Reactive Black 5 typically appears as a black solid.

Comment on solubility

Solubility of Disodium 3-[[4-(Dihydroxyamino)phenyl]hydrazono]-4-imino-5-oxo-6-[[4-[4-[(4-oxocyclohexa-2,5-dien-1-ylidene)hydrazono]cyclohexa-2,5-dien-1-ylidene]cyclohexa-2,5-dien-1-ylidene]hydrazono]naphthalene-2,7-disulfonate

The solubility of disodium 3-[[4-(dihydroxyamino)phenyl]hydrazono]-4-imino-5-oxo-6-[[4-[4-[(4-oxocyclohexa-2,5-dien-1-ylidene)hydrazono]cyclohexa-2,5-dien-1-ylidene]cyclohexa-2,5-dien-1-ylidene]hydrazono]naphthalene-2,7-disulfonate is influenced by several factors, including its complex molecular structure and the presence of sulfonate groups.

Key Points about Solubility:

  • Water Solubility: Compounds with sulfonate groups are generally more soluble in water due to their ability to form hydrogen bonds with water molecules.
  • pH Dependency: The solubility may vary with changes in pH, as the ionization state of the compound can affect its interactions with solvent.
  • Temperature Effects: Increasing temperature often enhances the solubility of many organic compounds; however, this specific compound’s solubility should be experimentally determined.
  • Co-solvent Usage: In some cases, using co-solvents can significantly improve solubility for large and complex molecules like this one.
  • Electrolyte Influence: The presence of electrolytes in solution may impact the solubility, with certain salts potentially facilitating or hindering dissolution.

In summary, while disodium 3-[[4-(dihydroxyamino)phenyl]hydrazono]-4-imino-5-oxo-6-[[4-[4-[(4-oxocyclohexa-2,5-dien-1-ylidene)hydrazono]cyclohexa-2,5-dien-1-ylidene]cyclohexa-2,5-dien-1-ylidene]hydrazono]naphthalene-2,7-disulfonate possesses characteristics that promote solubility in water, its complex structural attributes necessitate careful examination to fully understand its solubility nuances.

Interesting facts

Interesting Facts about Disodium 3-[[4-(Dihydroxyamino)phenyl]hydrazono]-4-imino-5-oxo-6-[[4-[4-[(4-oxocyclohexa-2,5-dien-1-ylidene)hydrazono]cyclohexa-2,5-dien-1-ylidene]cyclohexa-2,5-dien-1-ylidene]hydrazono]naphthalene-2,7-disulfonate

This compound is a fascinating example of intricate chemical architecture, characterized by its diverse functional groups and potential applications. Some key points to note include:

  • Structure Complexity: The name itself reveals that this compound contains multiple hydrazone and sulfonate groups, which can significantly influence its reactivity and interaction with other molecules.
  • Biological Applications: Compounds with a similar framework have been studied for their potential in medicinal chemistry. Hydrazones particularly can exhibit antimicrobial, anticancer, and anti-inflammatory activities, making them worthy of further investigation.
  • Color Properties: Many azo and hydrazone compounds are known for their vivid colorations, which are often utilized in dye applications. This particular compound may also demonstrate striking hues, contributing to its utility in various dyeing processes.
  • Research Interests: The presence of multiple cyclic structures, such as cyclohexadienes, provides a rich avenue for exploring potential mechanisms in complex reactions. Researchers might focus on understanding these mechanistic pathways to fully harness such compounds in different domains.
  • Environmental Considerations: As with many chemical compounds, the environmental impact of its synthesis and degradation is a critical area of study. Understanding how the compound behaves in natural systems can guide safe usage and disposal practices.

As a chemist or a student of chemistry, delving into the world of complex compounds like disodium 3-[[4-(dihydroxyamino)phenyl]hydrazono]-4-imino-5-oxo-6-[[4-[4-[(4-oxocyclohexa-2,5-dien-1-ylidene)hydrazono]cyclohexa-2,5-dien-1-ylidene]cyclohexa-2,5-dien-1-ylidene]hydrazono]naphthalene-2,7-disulfonate can be both challenging and rewarding. Exploring their synthesis, reactions, and applications opens a window into the multifaceted nature of organic chemistry!