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Disperse Orange 3

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Identification
Molecular formula
C16H11N3O
CAS number
495-54-5
IUPAC name
4-[(4-phenylazo-1-naphthyl)azo]phenol
State
State

At room temperature, Disperse Orange 3 is typically found in its solid state as a crystalline powder. It is not soluble in water, which dictates its application methods in dyeing processes.

Melting point (Celsius)
198.00
Melting point (Kelvin)
471.15
Boiling point (Celsius)
481.60
Boiling point (Kelvin)
754.80
General information
Molecular weight
292.32g/mol
Molar mass
292.3220g/mol
Density
1.3300g/cm3
Appearence

Disperse Orange 3 appears as an orange to reddish-brown crystalline powder. It is known for its vibrant coloration, which is why it is used in dye applications. When observed under different lighting conditions, the hue may change slightly due to its azo group presence.

Comment on solubility

Solubility of 4-[(4-phenylazo-1-naphthyl)azo]phenol

The compound 4-[(4-phenylazo-1-naphthyl)azo]phenol exhibits interesting solubility characteristics that can be attributed to its unique chemical structure. Solubility is influenced by various factors, including polarity, molecular interactions, and temperature, making this compound a fascinating subject for study.

Key Points on Solubility:

  • Solvent Compatibility: This compound tends to have limited solubility in polar solvents due to its hydrophobic components, while it may dissolve better in non-polar organic solvents.
  • Temperature Effects: The solubility can be affected by temperature, often increasing with higher temperatures as molecular interactions become more favorable.
  • pH Influence: Since the compound contains phenolic groups, the solubility may also vary with changes in pH, particularly in acidic conditions where ionization can enhance solubility.

In summary, the solubility of 4-[(4-phenylazo-1-naphthyl)azo]phenol is a complex interplay of its chemical structure and environmental conditions, making it a significant point of interest for both practical applications and theoretical studies. Understanding these solubility dynamics is crucial for its potential uses in various chemical and industrial applications.

Interesting facts

Interesting Facts about 4-[(4-phenylazo-1-naphthyl)azo]phenol

4-[(4-phenylazo-1-naphthyl)azo]phenol is a fascinating compound with a rich history and various applications in both scientific research and industry. Here are some compelling aspects of this azo dye:

  • Azo Dye Chemistry: This compound belongs to the class of azo dyes, characterized by the presence of the -N=N- (azo) functional group. Azo dyes are widely known for their vivid colors, making them popular in textile and food industries.
  • Color Variability: The color of azo dyes often depends on their structure, which allows them to display a wide range of hues. Variations in substituents can lead to alterations in light absorption, resulting in different shades.
  • Applications: Azo dyes like 4-[(4-phenylazo-1-naphthyl)azo]phenol are used not only in the textile and paper industries but also in biological staining and analytical chemistry, owing to their color properties.
  • Scientific Importance: This compound's unique structure makes it a subject of study in organic synthesis and materials science, providing insights into azo dye behavior and potential applications in sensors and photonic devices.
  • Safety Considerations: While azo dyes can be incredibly useful, it is important to be aware that some azo compounds can release carcinogenic aromatic amines. Thus, researchers and manufacturers must adhere to strict guidelines regarding their use and disposal.

In summary, 4-[(4-phenylazo-1-naphthyl)azo]phenol is not just a compound of interest for its chemical structure, but it represents a bridge between chemistry and practical applications, contributing to various fields, from art to science.

Synonyms
Disperse Orange 13
EINECS 228-381-0
p-((4-(Phenylazo)-1-naphthyl)azo)phenol
Phenol, 4-((4-(phenylazo)-1-naphthalenyl)azo)-
Phenol, 4-(2-(4-(2-phenyldiazenyl)-1-naphthalenyl)diazenyl)-
P-[[4-(PHENYLAZO)-1-NAPHTHYL]AZO]PHENOL
Phenol, 4-[[4-(phenylazo)-1-naphthalenyl]azo]-
Phenol, 4-[2-[4-(2-phenyldiazenyl)-1-naphthalenyl]diazenyl]-
p((4(Phenylazo)1naphthyl)azo)phenol
Phenol, 4((4(phenylazo)1naphthalenyl)azo)
Phenol, 4(2(4(2phenyldiazenyl)1naphthalenyl)diazenyl)
228-381-0
6253-10-7
4-[4-(Phenylazo)-1-naphthylazo]phenol
C.I. DISPERSE ORANGE 13
4-[(4-phenyldiazenylnaphthalen-1-yl)diazenyl]phenol
C.I.Disperse Orange 13
Orange 13
SCHEMBL629833
SCHEMBL630097
DTXSID1064166
FWTBRYBHCBCJEQ-UHFFFAOYSA-N
MFCD00003909
AKOS015902846
Disperse Orange 13, Dye content 15 %
NS00043358
4-[(E)-[4-[(E)-phenylazo]-1-naphthyl]azo]phenol