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Acid Orange 7

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Identification
Molecular formula
C16H11N2NaO4S
CAS number
633-96-5
IUPAC name
6-acetamido-4-hydroxy-3-[4-(2-sulfooxyethylsulfonyl)phenyl]azo-naphthalene-2-sulfonic acid
State
State

At room temperature, Acid Orange 7 is a solid. It is commonly handled in its powdered form, allowing for easy storage and mixture with other compounds or solvents for dye solutions.

Melting point (Celsius)
160.00
Melting point (Kelvin)
433.15
Boiling point (Celsius)
300.00
Boiling point (Kelvin)
573.15
General information
Molecular weight
452.39g/mol
Molar mass
452.3890g/mol
Density
1.6500g/cm3
Appearence

Acid Orange 7 appears as an orange to red powder. It is often used as a dye, and its vivid coloration is a key aspect of its physical properties.

Comment on solubility

Solubility of 6-acetamido-4-hydroxy-3-[4-(2-sulfooxyethylsulfonyl)phenyl]azo-naphthalene-2-sulfonic acid

The solubility of 6-acetamido-4-hydroxy-3-[4-(2-sulfooxyethylsulfonyl)phenyl]azo-naphthalene-2-sulfonic acid can be characterized by several key factors:

  • Polarity: Due to the presence of multiple sulfonic acid groups, as well as an acetamido and hydroxyl group, this compound exhibits a high degree of polarity. This polarity contributes significantly to its solubility in polar solvents, such as water.
  • pH Sensitivity: The solubility may also vary with changes in pH. In acidic conditions, the sulfonic acid groups remain protonated, potentially affecting their interaction with solvents.
  • Temperature Effects: As with many organic compounds, an increase in temperature generally enhances solubility. This characteristic is particularly important in applications requiring higher concentrations of the compound in solution.
  • Experimental Evidence: While specific experimental solubility data may vary, the general trend suggests that compounds with similar structural features and functional groups are well soluble in aqueous solutions, often forming stable dispersions.

It’s worth noting that these factors can lead to a significant degree of solubility, making 6-acetamido-4-hydroxy-3-[4-(2-sulfooxyethylsulfonyl)phenyl]azo-naphthalene-2-sulfonic acid an important compound for various applications in both research and industrial contexts. In practical terms, the ability of a compound to dissolve is not only crucial for its reactivity but also for its function in different chemical environments.

Interesting facts

Interesting Facts about 6-Acetamido-4-Hydroxy-3-[4-(2-Sulfooxyethylsulfonyl)phenyl]azo-Naphthalene-2-Sulfonic Acid

This complex compound, often referred to by its abbreviated name, is a fascinating example of azo dyes in the world of chemistry. Azo dyes are characterized by the presence of one or more azo groups (-N=N-), which contribute to their vivid coloration and versatile applications. Here are some interesting facts about this unique chemical:

  • Applications: This compound is widely used in the textile industry for dyeing fabrics due to its vibrant colors. Its strong coloring properties make it suitable for synthetic and natural fabrics alike.
  • Biological Activities: Beyond its role in the textile sector, studies suggest that azo compounds can exhibit various biological activities, including antibacterial and anticancer properties.
  • Functional Groups: The presence of both sulfonic acid and acetamido groups enhances the solubility of this compound in water, making it suitable for numerous applications in both aqueous solutions and solid materials.
  • Stability: Azo compounds are generally stable under normal conditions, but their stability can be affected by factors such as pH and light, which is an important consideration during storage and application in industrial processes.
  • Chemical Structure: The intricate structure boasts multiple functional groups, highlighting the compound's capability to undergo various chemical reactions, making it a subject of interest for organic synthesis.

In the words of chemist Daniel Swern, "The art and science of dyeing lies in the skillful control of color, chemistry, and application." This compound exemplifies this art in its multifaceted roles across various fields.

Overall, 6-acetamido-4-hydroxy-3-[4-(2-sulfooxyethylsulfonyl)phenyl]azo-naphthalene-2-sulfonic acid stands out not only for its vibrant coloration but also for its contributions to chemical research and industry.

Synonyms
109603-48-7
Reactive orange
2-((4-(7-Acetamido-1-hydroxy-3-sulfo-2-naphthylazo)phenyl)sulfonyl)ethyl sulfate
PS44 Cpd
SCHEMBL13880628
SCHEMBL14529309
SCHEMBL31519881
DTXSID30864930
27761-75-7
6-(Acetylamino)-4-hydroxy-3-[2-[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]diazenyl]-2-naphthalenesulfonic acid
NS00007691
2-Naphthalenesulfonic acid, 6-(acetylamino)-4-hydroxy-3-((4-((2-(sulfooxy)ethyl)sulfonyl)phenyl)azo-
6-acetamido-4-hydroxy-3-[(E)-[4-(2-sulfooxyethylsulfonyl)phenyl]azo]naphthalene-2-sulfonic acid
6-acetamido-4-hydroxy-3-[[4-(2-sulfooxyethylsulfonyl)phenyl]diazenyl]naphthalene-2-sulfonic acid