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Acid Orange 7

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Identification
Molecular formula
C16H11N2NaO4S
CAS number
633-96-5
IUPAC name
5-acetamido-4-hydroxy-3-phenylazo-naphthalene-2,7-disulfonic acid
State
State

Acid Orange 7 is typically in a solid state at room temperature, appearing as a reddish-orange powder.

Melting point (Celsius)
313.00
Melting point (Kelvin)
586.00
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
452.37g/mol
Molar mass
452.3660g/mol
Density
1.3050g/cm3
Appearence

Acid Orange 7 appears as a reddish-orange powder. It is a synthetic azo dye and is often used for coloring applications.

Comment on solubility

Solubility of 5-acetamido-4-hydroxy-3-phenylazo-naphthalene-2,7-disulfonic acid

The solubility of 5-acetamido-4-hydroxy-3-phenylazo-naphthalene-2,7-disulfonic acid is an intriguing topic due to its unique structural features and functional groups. This compound exhibits properties that can significantly affect its solubility in various solvents.

Factors Influencing Solubility:

  • pH Levels: The presence of sulfonic acid groups can enhance solubility in aqueous solutions, especially at lower pH levels, leading to protonation.
  • Polarity: The compound's strong polar functional groups increase its affinity for polar solvents such as water.
  • Temperature: Higher temperatures may increase solubility due to the increased kinetic energy, aiding in overcoming intermolecular forces.

It is vital to note that the solubility can vary based on the solvent used. As a general rule:

  • Highly soluble: in polar solvents, particularly water due to the ionic nature of sulfonic acid groups.
  • Poorly soluble: in non-polar solvents, where interaction with the solvent molecules is minimal.

In summary, while 5-acetamido-4-hydroxy-3-phenylazo-naphthalene-2,7-disulfonic acid is likely to show high solubility in aqueous solutions, its solubility profile can shift dramatically depending on environmental conditions and solvent characteristics. Understanding these nuances is crucial for effective application in chemical processes.

Interesting facts

Interesting Facts About 5-Acetamido-4-Hydroxy-3-Phenylazo-Naphthalene-2,7-Disulfonic Acid

5-Acetamido-4-hydroxy-3-phenylazo-naphthalene-2,7-disulfonic acid, often referred to for its application in various scientific fields, is a fascinating compound with a rich history and unique properties. Below are some interesting points about this compound:

  • Azo Dye Applications: This compound is part of a larger family of azo dyes, which are known for their vibrant colors and versatility in dyeing processes. They are commonly used in textiles, plastics, and papers, making them economically significant.
  • Biological Relevance: The compound contains functional groups that may contribute to biological activity, sparking interest in pharmaceutical research. Azo dyes have been studied for their potential role in drug delivery systems and as markers in biochemical analyses.
  • Research Merit: Scientists often use such compounds to investigate reaction mechanisms in organic chemistry and material science. Its complex structure provides a robust platform for synthesizing other derivative compounds.
  • Environmental Concerns: Like many azo dyes, this compound's degradation products have raised concerns regarding environmental pollution. This has prompted studies aimed at developing safer alternatives and effective wastewater treatment methods.
  • Synthesis Techniques: The synthesis of azo compounds can be an exciting process involving diazotization and coupling reactions, offering students and researchers hands-on experience in organic synthesis techniques.

In summary, 5-acetamido-4-hydroxy-3-phenylazo-naphthalene-2,7-disulfonic acid serves not only as an intriguing subject of study in chemistry but also plays a significant role in the broader context of industrial applications and environmental awareness. As scientists continue exploring its potential, this compound may hold the key to innovative solutions in science and industry.

Synonyms
acid red 1 free acid
E0X7EHI364
EINECS 246-823-0
CI ACID RED 1 PARENT
5-(Acetylamino)-4-hydroxy-3-(phenylazo)naphthalene-2,7-disulphonicacid
2,7-Naphthalenedisulfonic acid, 5-(acetylamino)-4-hydroxy-3-(phenylazo)-
2,7-NAPHTHALENEDISULFONIC ACID, 5-(ACETYLAMINO)-4-HYDROXY-3-(2-PHENYLDIAZENYL)-
25317-20-8
5-acetamido-4-hydroxy-3-(phenyldiazenyl)naphthalene-2,7-disulfonic acid
C.I. Acid Red 1 parent
CHEBI:87465
UNII-E0X7EHI364
Azorhodine 2G
azophloxine free acid
Vopsider red ASTR G
acid red 1 (free acid form)
CHEMBL3306478
DTXSID5045047
SCHEMBL10050360
SCHEMBL12954923
SCHEMBL15115323
SCHEMBL21274210
RSNSKUBBVCGSND-UHFFFAOYSA-N
5-(Acetylamino)-4-hydroxy-3-(phenylazo)naphthalene-2,7-disulphonic acid
E128
NS00008973
NS00132720
Q27159645
Q27276715
benzeneazo-8-acetylamino-1-naphthol-3,6-disulfonic acid
5-acetamido-4-hydroxy-3-phenylazo-naphthalene-2,7-disulfonic acid
5-acetamido-4-hydroxy-3-phenyldiazenylnaphthalene-2,7-disulfonic acid
4-(Acetylamino)-3-hydroxy-2-(phenyldiazenyl)naphthalen-1,1,6,8a-tetrasulfonic acid
5-(Acetylamino)-4-hydroxy-3-(phenylazo)-2,7-naphthalenedisulfonic acid, 9CI
5-acetamido-4-hydroxy-3-[(E)-phenyldiazenyl]naphthalene-2,7-disulfonic acid
5-acetamido-4-hydroxy-3-[(EZ)-phenyldiazenyl]naphthalene-2,7-disulfonic acid