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Crocein Scarlet MOO

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Identification
Molecular formula
C29H19N5O11S4
CAS number
6226-79-5
IUPAC name
3-[4-[[4-[(4,8-disulfo-2-naphthyl)azo]-3-methyl-phenyl]carbamoylamino]-2-methyl-phenyl]azonaphthalene-1,5-disulfonic acid
State
State

At room temperature, Crocein Scarlet MOO is a solid powder. It is used mainly in dyeing processes and is valued for its strong color stability.

Melting point (Celsius)
300.00
Melting point (Kelvin)
573.00
Boiling point (Celsius)
524.00
Boiling point (Kelvin)
797.00
General information
Molecular weight
781.70g/mol
Molar mass
781.6960g/mol
Density
1.4471g/cm3
Appearence

Crocein Scarlet MOO is an azo dye, and it typically appears as a red to reddish-brown powder. It is known for its bright scarlet hue, particularly when dissolved in water.

Comment on solubility

Solubility of 3-[4-[[4-[(4,8-disulfo-2-naphthyl)azo]-3-methyl-phenyl]carbamoylamino]-2-methyl-phenyl]azonaphthalene-1,5-disulfonic acid

The solubility of this complex azo compound, known as disulfonic acid, is influenced by several key factors:

  • Polarity: The presence of multiple sulfonic acid groups in its structure leads to high polarity, enhancing its affinity for polar solvents, particularly water.
  • Temperature: Solubility generally increases with temperature for ionic compounds; hence, heating can facilitate better dissolution.
  • pH Levels: The solubility can vary significantly with changes in pH, as the ionization of the sulfonic groups will affect the compound's overall charge and interaction with solvents.

This compound's solubility characteristics illustrate the importance of ionic interactions in dissolving dyes and pigments, which can lead to its applications in various fields such as textile dyeing and biological staining.

In summary, 3-[4-[[4-[(4,8-disulfo-2-naphthyl)azo]-3-methyl-phenyl]carbamoylamino]-2-methyl-phenyl]azonaphthalene-1,5-disulfonic acid demonstrates a significant ability to dissolve in polar environments, making it a notable compound within chemical solutions.

Interesting facts

Interesting Facts about 3-[4-[[4-[(4,8-disulfo-2-naphthyl)azo]-3-methyl-phenyl]carbamoylamino]-2-methyl-phenyl]azonaphthalene-1,5-disulfonic acid

This compound is a fascinating example of a class of organic compounds known as azo dyes, characterized by the presence of the azo group (-N=N-). Here are some key details worth noting:

  • Azo Dyes: Azo dyes are renowned for their vibrant colors and are commonly used in textiles, food, and cosmetics. Their vivid hues are a result of the electronic structure of the azo group, which absorbs light in specific wavelengths.
  • Applications: This particular compound finds utility in various industries. It is often employed in coloring agents and indicators due to its stability and solubility in water.
  • Environmental Considerations: The synthesis and use of azo dyes have raised environmental concerns. Some azo compounds can break down into carcinogenic amines, making regulatory oversight crucial in industries that rely on such dyes.
  • Structure Activity Relationship: The compound's complex structure, with multiple functional groups including sulfo and carbamoyl moieties, allows for specific interactions with other molecules, enhancing its use as an indicator or dye.
  • Historical Significance: Azo dyes have a rich history dating back to the late 19th century. They revolutionized the dyeing industry with the introduction of synthetic dyes, making vibrant colors accessible and affordable.

In conclusion, the study of 3-[4-[[4-[(4,8-disulfo-2-naphthyl)azo]-3-methyl-phenyl]carbamoylamino]-2-methyl-phenyl]azonaphthalene-1,5-disulfonic acid not only illustrates the beauty of chemical structure and color but also highlights the importance of sustainability in chemical manufacturing. Its multifaceted applications in various industries make it a significant compound worthy of exploration.

Synonyms
1,5-Naphthalenedisulfonic acid, 3,3'-[carbonylbis[imino(2-methyl-4,1-phenylene)azo]]bis-
DTXSID5067132
1,5-Naphthalenedisulfonic acid, 3,3'-(carbonylbis(imino(2-methyl-4,1-phenylene)azo))bis-
1,5-Naphthalenedisulfonic acid, 3,3'-(carbonylbis(imino(2-methyl-4,1-phenylene)-2,1-diazenediyl))bis-
3,3'-(Carbonylbis(imino(2-methyl-4,1-phenylene)azo))bisnaphthalene-1,5-disulphonic acid
3,3'-[carbonylbis[imino(2-methyl-4,1-phenylene)azo]]bisnaphthalene-1,5-disulphonic acid
1,5-Naphthalenedisulfonic acid, 3,3'-[carbonylbis[imino(2-methyl-4,1-phenylene)-2,1-diazenediyl]]bis-
3,3'-[Carbonylbis[imino(2-methyl-4,1-phenylene)-2,1-diazenediyl]]bis[1,5-naphthalenedisulfonic acid]
3,3'-(Carbonylbis(imino(2-methyl-4,1-phenylene)-2,1-diazenediyl))bis(1,5-naphthalenedisulfonic acid)
DTXCID9037373
247-220-5
25738-24-3
Direct Fast Yellow R
C.I. DIRECT YELLOW 50
3,3'-[Carbonylbis[imino(2-methyl-4,1-phenylene)azo]]bisnaphthalene-1,5-disulfonic acid
Sirius Light Yellow R
Direct Fast Yellow LR
Direct Lightfast Yellow K
Sirius Light Yellow R Extra
NSC47763
C.I. Direct Yellow 50, tetrasodium salt
Helion Yellow RL
Orbantin Yellow R
EINECS 247-220-5
Pergasol Yellow 2R
Levacell Fast Yellow R
Pyrazol Fast Yellow RSW
XH8RXW7FF7
SCHEMBL11345068
XFUDRSZJCBDNPN-UHFFFAOYSA-N
C.I. Direct Yellow 50 Free Base
3-[4-[[4-[(4,8-disulfo-2-naphthyl)azo]-3-methyl-phenyl]carbamoylamino]-2-methyl-phenyl]azonaphthalene-1,5-disulfonic acid
NS00083375
1,5-Naphthalenedisulfonic acid, 3, {3'-[carbonylbis[imino(2-methyl-4,1-phenylene)azo]]bis-,} tetrasodium salt
3-((4-(((4-((4,8-Disulfo-2-naphthyl)diazenyl)-3-methylanilino)carbonyl)amino)-2-methylphenyl)diazenyl)-1,5-naphthalenedisulfonic acid