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Acid Yellow 7

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Identification
Molecular formula
C15H19N3O2
CAS number
6373-74-6
IUPAC name
2-[N-(2-hydroxyethyl)-3-methyl-4-phenylazo-anilino]ethanol
State
State

At room temperature, Acid Yellow 7 is typically a solid. It is commonly used in the dye industry and exists mainly in powder form.

Melting point (Celsius)
164.00
Melting point (Kelvin)
437.15
Boiling point (Celsius)
530.00
Boiling point (Kelvin)
803.15
General information
Molecular weight
285.33g/mol
Molar mass
285.3330g/mol
Density
1.3000g/cm3
Appearence

The compound primarily appears as a dark red or brownish powder, often used in dye form. It may present with varying intensity depending on its concentration and the medium in which it is dispersed.

Comment on solubility

Solubility of 2-[N-(2-hydroxyethyl)-3-methyl-4-phenylazo-anilino]ethanol

The compound 2-[N-(2-hydroxyethyl)-3-methyl-4-phenylazo-anilino]ethanol exhibits unique solubility characteristics that can be influenced by various factors. Here are some key points regarding its solubility:

  • Solvent Dependence: This compound is likely to be soluble in polar solvents, such as water or alcohols, due to the presence of hydroxyl groups that can engage in hydrogen bonding.
  • Hydrophobic Interactions: The phenyl group and azobenzene moiety may contribute hydrophobic characteristics, affecting solubility in nonpolar solvents.
  • pH Sensitivity: The solubility may vary with pH, particularly because the compound contains an amino functional group. Acidic conditions may enhance solubility as it may ionize the amino group.
  • Temperature Variation: Like many compounds, its solubility could potentially increase with temperature, leading to greater dissolution rates.

In general, the expected solubility behavior can be summarized as:

  1. Soluble in polar solvents
  2. Poorly soluble in nonpolar solvents
  3. Affected by pH and temperature

Understanding the solubility of this compound is vital for its application in various chemical processes, making it a key area of focus for further studies.

Interesting facts

Interesting Facts About 2-[N-(2-hydroxyethyl)-3-methyl-4-phenylazo-anilino]ethanol

This fascinating compound, often referred to in the realm of textile and dye chemistry, showcases the intricate relationship between structure and function in organic compounds. Here are some intriguing aspects regarding this compound:

  • Dye Application: The compound is primarily used in the manufacture of dyes, which are essential for coloring fabrics and materials. Its ability to form vibrant colors makes it a key ingredient in the textile industry.
  • Functional Groups: The presence of both hydroxyethyl and azo groups contributes to the compound's unique properties. The hydroxyethyl group enhances solubility in water, while the azo group is crucial for the **coloration** capability of the compound.
  • Stability and Versatility: This compound is notable for its chemical stability, which is vital in dye applications where lightfastness and washfastness are important.
  • Historical Significance: Azo compounds, including this one, have a rich history in synthetic dye production that dates back to the late 19th century, ushering in new eras of colorant technology.

In the words of the renowned chemist Robert H. Grubbs, “Science is about being curious and exploring the relationships of things.” With compounds like 2-[N-(2-hydroxyethyl)-3-methyl-4-phenylazo-anilino]ethanol, scientists continue to explore and innovate within both **industrial** and **artistic** realms.

This compound exemplifies the intersection of art and science, reflecting how chemistry can create products that enhance our daily lives through beauty and functionality.

Synonyms
3771-38-8
2,2'-((3-Methyl-4-(phenylazo)phenyl)imino)bisethanol
Ethanol, 2,2'-((3-methyl-4-(phenylazo)phenyl)imino)bis-
DTXSID501031996