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Disodium 3-hydroxy-4-nitroso-2,7-naphthalenedisulfonate

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Identification
Molecular formula
C10H5N2Na2O8S2
CAS number
6219-70-5
IUPAC name
disodium;3-hydroxy-4-nitroso-naphthalene-2,7-disulfonate
State
State

The compound is generally a solid at room temperature and is often handled in the form of a powder or crystalline solid. As a disodium salt, it is water-soluble, which is an important property for its uses in dyeing and staining applications.

Melting point (Celsius)
300.00
Melting point (Kelvin)
573.00
Boiling point (Celsius)
600.00
Boiling point (Kelvin)
873.00
General information
Molecular weight
418.31g/mol
Molar mass
418.3100g/mol
Density
2.0100g/cm3
Appearence

The compound typically appears as red or rust-colored crystals or powder. It is often used in its disodium salt form, which can contribute to its crystal structure and color properties. The intense color is due to the presence of the azo group within the compound's chemical structure.

Comment on solubility

Solubility of Disodium 3-Hydroxy-4-Nitroso-Naphthalene-2,7-Disulfonate

The solubility of disodium 3-hydroxy-4-nitroso-naphthalene-2,7-disulfonate is an intriguing aspect of its chemical behavior. Typically, compounds that contain sulfonate groups exhibit favorable solubility in polar solvents, particularly water.

Here are some key points regarding its solubility:

  • Water Solubility: Due to the presence of disodium ions and multiple sulfonate groups, this compound is generally considered to be highly soluble in water.
  • Polarity: The overall molecular structure increases polarity, promoting interactions with water molecules.
  • Temperature Influence: Like many salts, solubility may vary with temperature; it often increases as temperature rises.
  • pH Sensitivity: Changes in pH can affect the solubility of such compounds, as molecular species might undergo transformations.

As a guiding principle, it is often noted that “the solvent must have a similar polarity to effectively dissolve the solute.” In the case of disodium 3-hydroxy-4-nitroso-naphthalene-2,7-disulfonate, the compound aligns well with this notion, reaffirming its strong potential for solubility in aqueous environments.

In summary, the solubility characteristics of this molecule are largely driven by its ionic and polar nature, making it suitable for various applications in aqueous media.

Interesting facts

Interesting Facts about Disodium 3-Hydroxy-4-Nitroso-Naphthalene-2,7-Disulfonate

Disodium 3-hydroxy-4-nitroso-naphthalene-2,7-disulfonate, often referred to in scientific literature for its unique properties, belongs to a class of compounds known as azo dyes. These compounds are intriguing not only for their vibrant colors but also for their practical applications in various fields. Here are some intriguing aspects of this distinct chemical:

  • Colorful Chemistry: Compounds like disodium 3-hydroxy-4-nitroso-naphthalene-2,7-disulfonate exhibit rich color properties due to their conjugated system. This feature is crucial in industries such as textiles and inks, where vibrant colors are paramount.
  • Versatility in Use: This compound finds applications in a diverse array of industries, including:
    • Textile dyes
    • Food coloring
    • Biological staining
    • Analytical chemistry as a reagent
  • Environmental Considerations: A fascinating point is the growing interest in the environmental impact of azo dyes. Researchers are continuously exploring safer alternatives and biodegradable options to minimize environmental pollution.
  • Biological Significance: Certain azo compounds have been studied for their biological activities. There is ongoing research into their mechanisms, particularly regarding their effects in biological systems and potential therapeutic uses.
  • Historical Relevance: The development of azo dyes marked a significant advancement in synthetic dye technology during the 19th century. They have since evolved, giving rise to a range of compounds with unique functional groups, including our subject compound.

To summarize, disodium 3-hydroxy-4-nitroso-naphthalene-2,7-disulfonate is not just a chemical formula; it represents a connection to a larger story about the evolution of dyes, their applications, and their impact on both industry and the environment. As we continue to explore compounds like these, we unveil the layers of chemistry that influence our daily lives.

Synonyms
Nitroso-R salt
Nitroso R
Disodium 1-nitroso-2-naphthol-3,6-disulfonate
2,7-NAPHTHALENEDISULFONIC ACID, 3-HYDROXY-4-NITROSO-, DISODIUM SALT
NITROSO-R
NITROSO RED SALT
8197875CWH
NITROSO-R SALT [MI]
Disodium 3-hydroxy-4-nitrosonaphthalene-2,7-disulphonate
NSC-5044
disodium 3-hydroxy-4-nitrosonaphthalene-2,7-disulfonate
sodium salt of 1-nitroso-2-hydroxynaphthalene-3,6-disulfonic acid
2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-nitroso-, sodium salt (1:2)
1-NITROSO-3,6-DISULFO-2-NAPHTHOL DISODIUM SALT
Disodium 1nitroso2naphthol3,6disulfonate
Disodium 3hydroxy4nitrosonaphthalene2,7disulphonate
3Hydroxy4nitroso2,7naphthalenedisulfonic acid disodium salt
Sodium salt of 1nitroso2hydroxynaphthalene3,6disulfonic acid
2,7Naphthalenedisulfonic acid, 3hydroxy4nitroso, disodium salt
2,7Naphthalenedisulfonic acid, 3hydroxy4nitroso, sodium salt (1:2)
525-05-3
1-Nitroso-2-naphthol-3,6-disulfonic acid disodium salt
Nitroso R Salt
Sodium 3-hydroxy-4-nitrosonaphthalene-2,7-disulfonate
1-Nitroso-3,6-disulfonate
32588-53-7
3-Hydroxy-4-nitroso-2,7-naphthalenedisulfonic acid disodium salt
2-Hydroxy-3-nitroso-2,7-naphthalenedisulfonic acid disodium salt
Nitroso-R-salt
NSC 5044
EINECS 208-369-1
AI3-22012
UNII-8197875CWH
Nitroso-R-Salz
MFCD00003885
SCHEMBL1882515
Disodium 3-Hydroxy-4-nitroso-2,7-naphthalenedisulfonate
DTXSID7060172
AAA52505
HBA58853
AKOS015903486
AKOS016372314
AKOS024306966
DB-052134
N0268
NS00043368
1-nitroso-2-naphthol-3,6-disulfonic acid disodium
Q27269234
Sodium3-hydroxy-4-nitrosonaphthalene-2,7-disulfonate
disodium;3-hydroxy-4-nitrosonaphthalene-2,7-disulfonate
2,7-Naphthalenedisulfonicacid,3-hydroxy-4-nitroso-,sodium salt(1:2)