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Brilliant Blue FCF

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Identification
Molecular formula
C37H34N2Na2O9S3
CAS number
3844-45-9
IUPAC name
ethyl-[4-[[4-[ethyl-[(3-sulfophenyl)methyl]amino]phenyl]-(2-sulfophenyl)methylene]cyclohexa-2,5-dien-1-ylidene]-[(3-sulfophenyl)methyl]ammonium
State
State

At room temperature, Brilliant Blue FCF is a solid that appears as blue powder or granule forms. It is primarily used in aqueous solutions where it imparts a brilliant blue color.

Melting point (Celsius)
300.00
Melting point (Kelvin)
573.15
Boiling point (Celsius)
236.00
Boiling point (Kelvin)
509.15
General information
Molecular weight
792.84g/mol
Molar mass
792.8420g/mol
Density
0.5561g/cm3
Appearence

Brilliant Blue FCF is a synthetic blue dye primarily used in the food and textile industries. It typically appears as a blue powder or granules and is highly soluble in water, resulting in a bright blue solution. The compound's intense blue color is often used in applications requiring a vivid hue.

Comment on solubility

Solubility of Ethyl-[4-[[4-[ethyl-[(3-sulfophenyl)methyl]amino]phenyl]-(2-sulfophenyl)methylene]cyclohexa-2,5-dien-1-ylidene]-[(3-sulfophenyl)methyl]ammonium

The solubility of this complex compound, ethyl-[4-[[4-[ethyl-[(3-sulfophenyl)methyl]amino]phenyl]-(2-sulfophenyl)methylene]cyclohexa-2,5-dien-1-ylidene]-[(3-sulfophenyl)methyl]ammonium, can be quite intricate due to its multifaceted structure. Generally, one can make the following observations regarding its solubility:

  • Aqueous Solubility: Given the presence of multiple sulfonic acid groups (–SO3H), this compound is likely to exhibit good solubility in water. These groups can ionize, leading to increased interaction with water molecules.
  • Organic Solubility: Conversely, the ethyl and phenyl groups may impart some hydrophobic characteristics, possibly limiting solubility in non-polar solvents. However, solubility may vary based on specific conditions.
  • pH Dependency: The solubility can also depend on the pH of the solution. As the pH changes, the ionization of sulfonic groups may be affected, altering solubility.
  • Temperature Factors: Increasing temperature generally increases solubility for many compounds, and this compound might not be an exception, particularly in polar solvents.

In summary, understanding the solubility of this compound requires a careful analysis of its chemical structure, the presence of functional groups, and the nature of the solvent used. As highlighted, “solubility is a complex interplay of molecular interactions”, and this compound exemplifies that intricacy well.

Interesting facts

Interesting Facts about Ethyl-[4-[[4-[ethyl-[(3-sulfophenyl)methyl]amino]phenyl]-(2-sulfophenyl)methylene]cyclohexa-2,5-dien-1-ylidene]-[(3-sulfophenyl)methyl]ammonium

This compound, with a complex structure defined by intricate functional groups and substituents, reveals much about the fascinating realm of organic chemistry and its applications. Here are some intriguing facts:

  • Diverse Applications: Compounds similar to this can serve as dyes, especially in biological and industrial applications. The presence of multiple sulfonyl groups enhances water solubility, making them suitable for dyeing fabrics and biological tissues.
  • Structural Complexity: The compound showcases a remarkable interplay between cyclohexadiene and amine functionalities. This structural variety leads to interesting reactivity patterns and potential usage in organic synthesis.
  • Color Chemistry: Due to its conjugated structure, this compound may exhibit vivid colors. Such color changes stem from the electronic transitions that can be influenced by pH levels or the presence of other ions, opening doors to pH-sensitive indicators.
  • Biological Insight: The incorporation of sulfonic acid groups is not just for aesthetics; these moieties can influence biological activity and interactions with biomolecules, laying the groundwork for potential therapeutic applications.
  • Industrial Relevance: Similar ammonium compounds are of considerable importance in the field of photochemistry. Their ability to absorb and emit light makes them invaluable in the development of new materials, including solar cells and LED technology.

In conclusion, the compound ethyl-[4-[[4-[ethyl-[(3-sulfophenyl)methyl]amino]phenyl]-(2-sulfophenyl)methylene]cyclohexa-2,5-dien-1-ylidene]-[(3-sulfophenyl)methyl]ammonium highlights the intricate balance of structure and function within chemical compounds. Such complexity reveals why chemistry continues to captivate scientists and students alike.

Synonyms
Acid Blue 9
C.I. Food Blue 2
FD and C Blue No. 1
2650-18-2; 3844-45-9
Alphazurine
Food Blue 1
ethyl-[4-[[4-[ethyl-[(3-sulfophenyl)methyl]amino]phenyl]-(2-sulfophenyl)methylidene]cyclohexa-2,5-dien-1-ylidene]-[(3-sulfophenyl)methyl]azanium
C.I. 42090
1206 Blue
NSC4318
NSC5018
C.I. 671
C.I 42090
bis(4-{ethyl[(3-sulfophenyl)methyl]amino}phenyl)(2-sulfophenyl)methylium
Brilliant blue 9
ethyl-[4-[[4-[ethyl-[(3-sulfophenyl)methyl]amino]phenyl]-(2-sulfophenyl)methylene]cyclohexa-2,5-dien-1-ylidene]-[(3-sulfophenyl)methyl]ammonium
SCHEMBL5321761
DTXSID20859754
NS00005570
(1E,4E)-N-Ethyl-4-[(4-{ethyl[(3-sulfophenyl)methyl]amino}phenyl)(2-sulfophenyl)methylidene]-N-[(3-sulfophenyl)methyl]cyclohexa-2,5-dien-1-iminium
Benzenemethanaminium, N-ethyl-N-[4-[[4-[ethyl[(3-sulfophenyl)methyl]amino]phenyl]( 2-sulfophenyl)methylene]-2, 5-cyclohexadien-1-ylidene]-3-sulfo-, hydroxide, inner salt, diammonium salt
N-Ethyl-N-[4-[[4-[ethyl[(3-sulfophenyl)methyl]amino]phenyl](2-sulfophenyl)methylene]-2,5-cyclohexadien-1-ylidene]-3-sulfobenzenemethanaminium(1+)