Skip to main content

Ponceau 6R

ADVERTISEMENT
Identification
Molecular formula
C27H18N2Na2O8S2
CAS number
2766-77-0
IUPAC name
disodium;4-hydroxy-3-[4-[4-[(1-hydroxy-4-sulfonato-2-naphthyl)azo]-3-methoxy-phenyl]-2-methoxy-phenyl]azo-naphthalene-1-sulfonate
State
State
At room temperature, Ponceau 6R is typically in a solid state. It is usually handled as a powder, primarily when being used in industrial and laboratory settings.
Melting point (Celsius)
300.00
Melting point (Kelvin)
573.00
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
604.53g/mol
Molar mass
604.5320g/mol
Density
1.4300g/cm3
Appearence

Ponceau 6R appears as a red to brownish-red powder. It is a synthetic azo dye frequently used in food, cosmetics, and as a biological stain. The dye exhibits a bright red color when dissolved in water.

Comment on solubility

Solubility of Disodium 4-Hydroxy-3-[4-[4-[(1-Hydroxy-4-Sulfonato-2-Naphthyl)Azo]-3-Methoxy-Phenyl]-2-Methoxy-Phenyl]Azo-Naphthalene-1-Sulfonate

The solubility of disodium 4-hydroxy-3-[4-[4-[(1-hydroxy-4-sulfonato-2-naphthyl)azo]-3-methoxy-phenyl]-2-methoxy-phenyl]azo-naphthalene-1-sulfonate is influenced by several factors due to its complex molecular structure. Typically, azo compounds, especially those with sulfonate groups, exhibit characteristics favorable for solubility in polar solvents. Here are some key points to consider:

  • Solvent Preference: This compound is likely to be soluble in water owing to the presence of the sulfonate group, which enhances its ability to interact with water molecules.
  • pH Levels: The solubility may vary with changes in pH. In acidic or neutral conditions, it is generally more soluble.
  • Temperature Effects: As with many compounds, increased temperature can promote higher solubility levels.
  • Concentration Influence: In high concentrations, solubility may decrease due to saturation limits.

To summarize, disodium 4-hydroxy-3-[4-[4-[(1-hydroxy-4-sulfonato-2-naphthyl)azo]-3-methoxy-phenyl]-2-methoxy-phenyl]azo-naphthalene-1-sulfonate demonstrates good solubility in aqueous environments, particularly due to its functional groups that allow for strong solvation. However, careful consideration of solvent polarity, temperature, pH, and concentration is essential for optimizing its solubility in practical applications.

Interesting facts

Interesting Facts about Disodium 4-Hydroxy-3-[4-[4-[(1-Hydroxy-4-sulfonato-2-naphthyl)azo]-3-methoxy-phenyl]-2-methoxy-phenyl]azo-naphthalene-1-sulfonate

This compound, often referred to in the context of dye and pigment chemistry, is notable for its vibrant *color properties* and widespread applications. Here are some fascinating aspects about this complex molecule:

  • Dye Applications: This compound is primarily used as a dye, particularly in textiles and food products, providing bright and vivid colors that are both appealing and effective.
  • Structural Complexity: The structure of the molecule incorporates multiple functional groups, including sulfonic acid and hydroxy groups, which enhance its solubility and reactivity, making it a versatile candidate for modification.
  • Environmental Awareness: As with many synthetic dyes, its use raises important discussions regarding environmental impact and toxicity, prompting research into safer alternatives.
  • Research Opportunities: The unique features of this compound provide a wealth of opportunities for scientific research, especially in the fields of materials science and organic electronics, where the study of organic dyes is crucial.
  • Colorimetric Analysis: This compound can be used in colorimetric analysis to determine the concentrations of various analytes, demonstrating its utility beyond mere aesthetics.

“The complexity and elegance of molecular structures like this compound exemplify the intersection of chemistry and art, wherein science and beauty coalesce.”

In summary, the compound not only serves practical purposes in various industries but also opens up avenues for further exploration in chemical research and environmental sustainability.

Synonyms
Direct Blue 8
C.I. DIRECT BLUE 8
2429-71-2
Benzo azurine G
Chlorazol Azurine
Benzo Azurine GS
Benzoazurine G
Hispamin Blue G
Amanil Azurine G
Dianil Azurine G
Direct Azurine G
Diphenyl Blue BT
Diamine Azurine G
Direct Azurine MG
Pontamine Blue AX
Atlantic Azurine G
Belamine Azurine G
Benzanil Azurine G
Benzanol Azurine G
Brasilamina Blue G
Chloramine Blue BT
Naphtamine Blue BG
Chlorazol Azurine G
Diacotton Azurine G
Phenamine Azurine G
Atul Direct Blue G
Calcomine Azurine BT
Tertrodirect Blue AG
Diaphtamine Azurine G
Benzo Azurine GA-CF
KCA Direct Azurine G
Niagara Blue G
Copper Blue G
Diazol Blue J
Direct Blue G
Fenamin Blue GR
Direct Blue BT
Chrome Leather Blue BT
Pheno Brilliant Blue BT
C.I. 24140
C.I. Direct Blue 8, disodium salt
CCRIS 6140
C.I. Direct Blue 8 (VAN)
2MHU68842R
NSC 9615
EINECS 219-382-7
CI DIRECT BLUE 8
BENZO AZURINE G [MI]
DTXSID6025193
NSC-9615
CI 24140
1-Naphthalenesulfonic acid, 3,3'-((3,3'-dimethoxy(1,1'-biphenyl)-4,4'-diyl)bis(azo))bis(4-hydroxy-, disodium salt
1-Naphthalenesulfonic acid, 3,3'-((3,3'-dimethoxy(1,1'-biphenyl)-4,4'-diyl)bis(2,1-diazenediyl))bis(4-hydroxy-, sodium salt (1:2)
3,3'-((3,3'-DIMETHOXY(1,1'-BIPHENYL)-4,4'-DIYL)BIS(2,1-DIAZENEDIYL))BIS(4-HYDROXY-1-NAPHTHALENESULFONIC ACID) SODIUM SALT (1:2)
1-Naphthalenesulfonic acid, 3,3'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(2,1-diazenediyl)]bis[4-hydroxy-, sodium salt (1:2)
DTXCID501474152
C.I. Direct Blue 8, disodium salt (8CI)
disodium o-dianisidinediazobis(1-naphthol-4-sulfonate)
3,3'-((3,3'-DIMETHOXY(1,1'-BIPHENYL)-4,4'-DIYL)BIS(AZO)BIS(4-HYDROXY-1-NAPHTHALENESULFONIC ACID), DISODIUM SALT
disodium;4-hydroxy-3-[[4-[4-[(1-hydroxy-4-sulfonatonaphthalen-2-yl)diazenyl]-3-methoxyphenyl]-2-methoxyphenyl]diazenyl]naphthalene-1-sulfonate
Disodium 3,3'-((3,3'-dimethoxy(1,1'-biphenyl)-4,4'-diyl)bis(azo))bis(4-hydroxynaphthalene-1-sulphonate)
DirectBlue8
SCHEMBL752770
UNII-2MHU68842R
AKOS024429524
NS00048122
Q27254953