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Disperse Orange 11

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Identification
Molecular formula
C15H15BrN3
CAS number
82-96-2
IUPAC name
4-(3-bromophenyl)azo-N,N-dimethyl-aniline
State
State

At room temperature, Disperse Orange 11 exists as a solid. It is typically found as a fine powder and is used primarily as a dye for synthetic fibers.

Melting point (Celsius)
151.00
Melting point (Kelvin)
424.15
Boiling point (Celsius)
420.00
Boiling point (Kelvin)
693.15
General information
Molecular weight
291.20g/mol
Molar mass
291.1510g/mol
Density
1.3900g/cm3
Appearence

Disperse Orange 11 is typically a reddish-orange crystalline powder. It is often used as a dye, so its appearance can greatly vary depending on its formulation and application, generally showing vibrant orange hues.

Comment on solubility

Solubility of 4-(3-bromophenyl)azo-N,N-dimethyl-aniline

The solubility of the compound 4-(3-bromophenyl)azo-N,N-dimethyl-aniline can be influenced by several factors, primarily its structure and the nature of the surrounding solvent. This compound features an azo group, which typically contributes to its solubility properties.

Key Considerations for Solubility:

  • Polarity: The presence of nitrogen atoms in the dimethyl-aniline segment may enhance the compound's polarity, affecting its interaction with polar solvents.
  • Hydrophobic Character: The aromatic rings and the bromine substituent can introduce hydrophobic characteristics, which may lead to higher solubility in organic solvents like ethanol or acetone.
  • Effect of pH: The solubility might also change with varying pH levels. In acidic conditions, amine groups can become protonated, affecting overall solubility.

In general, azo compounds tend to exhibit good solubility in polar organic solvents, while their solubility in water may be limited due to their hydrophobic regions. It is essential to consider the specific solvent when predicting the solubility of 4-(3-bromophenyl)azo-N,N-dimethyl-aniline.

In sum, the solubility behavior of this compound can be summarized with the following points:

  • Good solubility in polar organic solvents.
  • Limited solubility in water.
  • Dependent on the pH of the solution.
Interesting facts

Interesting Facts about 4-(3-bromophenyl)azo-N,N-dimethyl-aniline

The compound 4-(3-bromophenyl)azo-N,N-dimethyl-aniline is part of the azo dye family, and its vibrant colors have made it a staple in various industries.

Key Characteristics

  • Azo Compounds: The presence of the azo group (–N=N–) is significant because these compounds are often known for their intense colors and are widely used as dyes in textiles and food.
  • Applications: This compound can find utility in coloring agents, particularly in the food and textile industries, adding aesthetic value to products.
  • Biological Impact: Many azo compounds have been studied for their potential carcinogenic properties, making them important subjects in toxicology and environmental science.

Chemical Structure and Reactivity

The structural arrangement of this compound is crucial for its reactivity and stability. Notably:

  • The 3-bromophenyl group contributes both **steric effects** and **electron-withdrawing** properties, which can influence reactions.
  • The N,N-dimethyl groups provide solubility and stability, making the compound suitable for diverse applications.
  • Azo compounds like this one can undergo various reactions, including diazotization and coupling reactions, which are vital in organic synthesis.

Cultural Significance

Azo dyes, including this compound, have a rich history in the world of art and industry. They are often praised for:

  • Their brilliance and vibrancy, often being used in art for creating stunning visuals.
  • Innovation in dyeing techniques from ancient civilizations to modern chemical engineering, signifying technological advancements.

In conclusion, 4-(3-bromophenyl)azo-N,N-dimethyl-aniline embodies a fascinating intersection of chemistry, industry, and culture. Its study is pivotal for further understanding azo compounds and their implications in both practical applications and environmental safety.

Synonyms
17576-88-4
3'-Bromo-4-dimethylaminoazobenzene
BRN 0654279
p-(m-Bromophenylazo)-N,N-dimethylaniline
4-((3-Bromophenyl)azo)-N,N-dimethylbenzenamine
ANILINE, p-(m-BROMOPHENYLAZO)-N,N-DIMETHYL-
Benzenamine, 4-((3-bromophenyl)azo)-N,N-dimethyl-
DTXSID901031031
4-[(E)-(3-bromophenyl)diazenyl]-N,N-dimethylaniline