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C.I. Direct Red 83:1

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Identification
Molecular formula
C14H9N2O8S2
CAS number
3567-66-6
IUPAC name
5-nitro-2-[2-(4-nitro-2-sulfo-phenyl)vinyl]benzenesulfonic acid
State
State

Solid

At room temperature, this compound is in a solid state. It typically takes the form of a crystalline powder, which is a common state for many organic sulfonic acids and azo dyes.

Melting point (Celsius)
360.00
Melting point (Kelvin)
633.15
Boiling point (Celsius)
1 050.00
Boiling point (Kelvin)
1 323.15
General information
Molecular weight
538.47g/mol
Molar mass
538.4680g/mol
Density
1.6200g/cm3
Appearence

This compound generally appears as a red powder or solid. In its powder form, it can exhibit a vibrant red color, characteristic of many azo dyes. The vivid hue is owing to the presence of its complex conjugated structure that absorbs visible light.

Comment on solubility

Solubility of 5-nitro-2-[2-(4-nitro-2-sulfo-phenyl)vinyl]benzenesulfonic acid

The solubility of 5-nitro-2-[2-(4-nitro-2-sulfo-phenyl)vinyl]benzenesulfonic acid in various solvents demonstrates its complex chemical nature. This compound, characterized by its multi-functional groups, exhibits differing solubility profiles depending on environmental conditions and solvent composition.

Factors Influencing Solubility:

  • Polarity of Solvent: Being a sulfonic acid, the presence of the sulfonic group (–SO3H) makes it highly polar, thus favoring solubility in polar solvents such as water.
  • pH Levels: The acidity of the solution can significantly affect solubility. In acidic conditions, the molecule may remain protonated, affecting its interaction with solvents.
  • Temperature: Increasing temperature typically enhances solubility, allowing for greater interaction between the compound and solvent molecules.

In summary, 5-nitro-2-[2-(4-nitro-2-sulfo-phenyl)vinyl]benzenesulfonic acid is expected to have good solubility in aqueous environments while showing varied solubility in organic solvents. These characteristics underscore the importance of considering both chemical structure and environmental factors when assessing solubility.

Interesting facts

Interesting Facts about 5-nitro-2-[2-(4-nitro-2-sulfo-phenyl)vinyl]benzenesulfonic acid

5-nitro-2-[2-(4-nitro-2-sulfo-phenyl)vinyl]benzenesulfonic acid is a fascinating chemical compound known for its complex structure and diverse applications. As a sulfonic acid derivative, it incorporates both nitro and vinyl groups, making it a subject of interest in various fields of study. Here are some key points to consider:

  • Applications in Dyes: This compound plays an important role in dye chemistry, particularly in the synthesis of azo dyes. These dyes are crucial for industries such as textiles and photography.
  • Biological Importance: Certain derivatives of compounds like this one have been investigated for their potential biological activities, including antimicrobial properties. This makes them worthwhile in pharmaceutical research.
  • Sulfonic Acid Group: The presence of the sulfonic acid group enhances the compound's solubility in water, which is pivotal for reactions that require aqueous environments.
  • Environmental Impact: There's ongoing research into the environmental effects of nitroaryl compounds. Understanding their behavior can inform practices related to pollution and remediation.
  • Structural Studies: The complex architecture of 5-nitro-2-[2-(4-nitro-2-sulfo-phenyl)vinyl]benzenesulfonic acid provides fruitful ground for studies in molecular design and materials science, particularly regarding electron transport properties.

This compound serves as a perfect example of how a single chemical structure can offer numerous avenues for exploration and application across different scientific disciplines. As we continue to study compounds like 5-nitro-2-[2-(4-nitro-2-sulfo-phenyl)vinyl]benzenesulfonic acid, we advance our understanding of both chemistry and its practical implications in real-world scenarios.

Synonyms
5-nitro-2-[2-(4-nitro-2-sulfophenyl)ethenyl]benzenesulfonic acid
4,4/'-Dinitrostilbene-2,2/'-disulfonic acid
CHEBI:34663
CBDivE_011453
CHEMBL3306254
NS00077317
4,4'-dinitro-stilbene-2,2'-disulphonic acid
Q27116207