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Orange G

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Identification
Molecular formula
C16H10N2Na2O7S2
CAS number
1936-15-8
IUPAC name
disodium;4-amino-3-[4-[4-[(1-amino-4-sulfonato-2-naphthyl)azo]-3-methoxy-phenyl]-2-methoxy-phenyl]azo-naphthalene-1-sulfonate
State
State

Orange G is typically found as a solid powder at room temperature. Due to its solubility in water, it is often utilized in solution for various staining applications in scientific fields.

Melting point (Celsius)
300.00
Melting point (Kelvin)
573.00
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
452.38g/mol
Molar mass
452.3840g/mol
Density
1.6500g/cm3
Appearence

Orange G is an orange-red dye that is commonly available as a powder. The compound is generally vibrant with a bright appearance when in a solid state, and it turns into a vivid orange color when dissolved in water. It forms a clear, homogenous solution in aqueous mediums.

Comment on solubility

Solubility of Disodium 4-amino-3-[4-[4-[(1-amino-4-sulfonato-2-naphthyl)azo]-3-methoxy-phenyl]-2-methoxy-phenyl]azo-naphthalene-1-sulfonate

This compound, with the chemical formula C16H10N2Na2O7S2, presents interesting characteristics regarding its solubility. Here’s what you need to know:

  • Water Solubility: Disodium salts are generally more soluble in water compared to their non-dissociated counterparts. In this case, the presence of two sodium cations typically enhances solubility.
  • Polar Properties: The compound contains sulfonate groups (–SO3Na), which can significantly increase its hydrophilicity, allowing it to dissolve readily in polar solvents like water.
  • Aqueous Solutions: It is likely to form colored solutions due to the azo group present, which is often a characteristic of azo dyes that develop prominent hues in solution.
  • Organic Solvents: While showing promising solubility in water, disodium 4-amino-3-[4-[4-[(1-amino-4-sulfonato-2-naphthyl)azo]-3-methoxy-phenyl]-2-methoxy-phenyl]azo-naphthalene-1-sulfonate may exhibit varying solubility in organic solvents where hydrophobic interactions could reduce its overall solubility.

In summary, the solubility of this compound is primarily driven by its ionic nature and polar functional groups, resulting in significant solubility in aqueous environments. The presence of sodium ions enhances this property, making it a relevant compound in several analytical and industrial applications.

Interesting facts

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

This sophisticated compound, commonly referred to as a dye, is an excellent example of azo compounds that are widely used in various industries. Here are some fascinating aspects of this compound:

  • Colorant Power: It displays vivid coloration due to the presence of azo groups, contributing to its extensive use in textiles, paper, and other materials.
  • Biocompatibility: Because of its sulfonate groups, this compound exhibits a level of water solubility, making it suitable for biological applications.
  • Research Applications: It serves as a valuable tool in biological research, specifically in studying enzyme activity and tumor markers due to its reactivity and specificity.
  • Environmental Impact: Understanding its degradation products is crucial, as azo dyes can form potentially hazardous substances upon breakdown.
  • Regulatory Oversight: As with many azo dyes, its usage is subject to regulatory scrutiny due to concerns about toxicity and environmental harm, prompting ongoing studies on safety and biodegradability.

In summary, this compound symbolizes the intersection of chemistry and practical application, reinforcing the importance of chemical safety and sustainability in modern science. As noted by researchers, "The future of dyes lies in their ability to marry vibrancy with environmental consciousness."

Synonyms
Benzopurpurin 10B
2868-75-9
Atul Direct Red 10B
Purpurine 10B
Erie Cardinal 7B
C.I. Direct Red 7, disodium salt
Diphenyl Red 10B
Direct Red 10B
Hispamin Red 10B
Benzopurpurine 10BD
Benzopurpurine 10BS
Atul Direct Rubine A
Benzo Purpurine 10B
Amanil Purpurine 10B
Diazol Purpurine 10B
Direct Purpurine 10B
Tertrodirect Red 10B
Pink 10B
Enianil Purpurine 10B
Direct Purpurine M10B
Benzanil Purpurine 10B
Atul Direct Bordeaux BW
Chrome Leather Red 10B
Diaphtamine Purpurine 10B
1-Naphthalenesulfonic acid, 3,3'-((3,3'-dimethoxy(1,1'-biphenyl)-4,4'-diyl)bis(azo))bis(4-amino-, disodium salt
disodium;4-amino-3-[[4-[4-[(1-amino-4-sulfonatonaphthalen-2-yl)diazenyl]-3-methoxyphenyl]-2-methoxyphenyl]diazenyl]naphthalene-1-sulfonate
C.I. 24100
Cotton Red 10B (VAN)
C.I. Direct Red 7 (VAN)
EINECS 220-691-4
NSC 75913
DTXSID7073307
XVJNOIOHMFFFIP-UHFFFAOYSA-L
AKOS024429571
Disodium 3,3'-((3,3'-dimethoxy(1,1'-biphenyl)-4,4'-diyl)bis(azo))bis(4-aminonaphthalene-1-sulphonate)
NS00049368