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Carmoisine

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Identification
Molecular formula
C20H12N2Na2O7S2
CAS number
3567-69-9
IUPAC name
disodium;5-[4-[4-[(1-amino-4-sulfonato-2-naphthyl)azo]phenyl]phenyl]azo-2-hydroxy-benzoate
State
State

At room temperature, Carmoisine is typically in a solid state as a powder.

Melting point (Celsius)
300.00
Melting point (Kelvin)
573.00
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
502.44g/mol
Molar mass
502.4370g/mol
Density
1.6000g/cm3
Appearence

Carmoisine appears as a red to dark red powder. It is a synthetic azo dye.

Comment on solubility

Solubility of Disodium 5-[4-[4-[(1-amino-4-sulfonato-2-naphthyl)azo]phenyl]phenyl]azo-2-hydroxy-benzoate

The solubility of disodium 5-[4-[4-[(1-amino-4-sulfonato-2-naphthyl)azo]phenyl]phenyl]azo-2-hydroxy-benzoate is an important characteristic that influences its applications in various fields, particularly in the dye and pigment industry. This compound is known for its high solubility in water, making it suitable for use in aqueous solutions.

Key points about its solubility:

  • Water Solubility: The presence of sulfonate groups contributes significantly to its ability to dissolve in water, allowing for easy integration in various formulations.
  • Influence of pH: The solubility can be affected by the pH of the solution. Typically, the compound remains soluble in a range of pH conditions, but extreme values may impact dissolution rates.
  • Temperature Dependency: Like many other compounds, the solubility may vary with temperature; generally, higher temperatures can enhance solubility.

In summary, disodium 5-[4-[4-[(1-amino-4-sulfonato-2-naphthyl)azo]phenyl]phenyl]azo-2-hydroxy-benzoate demonstrates strong solubility in water due to its unique chemical structure. This solubility is crucial for its functionality and application across various industrial processes.

Interesting facts

Interesting Facts about Disodium 5-[4-[4-[(1-amino-4-sulfonato-2-naphthyl)azo]phenyl]phenyl]azo-2-hydroxy-benzoate

Disodium 5-[4-[4-[(1-amino-4-sulfonato-2-naphthyl)azo]phenyl]phenyl]azo-2-hydroxy-benzoate is a fascinating chemical compound with intriguing applications and properties. Often referred to in the context of dyes and coloring agents, this compound is classified as an azo dye. Below are some interesting insights into this remarkable compound:

  • Colorful Applications: Azo dyes are known for their vibrant colors, making them invaluable in industries such as textiles, food, and cosmetics. This particular dye provides shades ranging from bright reds to deep hues that are both attractive and consistent.
  • Structural Complexity: The structure of this compound features multiple aromatic rings and functional groups, enhancing its stability and colorfastness, which is essential for its performance in various applications.
  • Biological Considerations: As a sulfonated azo dye, this compound has unique interactions with biological systems. Its sulfonate groups increase solubility in water, which can affect both its environmental impact and its behavior in biochemical systems.
  • Safety and Regulation: The use of azo dyes has raised safety concerns due to the potential formation of carcinogenic amines. Thus, regulations vary depending on the application, particularly in the food and cosmetics sectors. Understanding its safety profile is critical for responsible use.

In conclusion, disodium 5-[4-[4-[(1-amino-4-sulfonato-2-naphthyl)azo]phenyl]phenyl]azo-2-hydroxy-benzoate, with its complex structure and vibrant applications, serves as an excellent example of how chemical compounds can be both useful and subject to regulatory scrutiny. As chemists, it is essential to appreciate the balance between innovation and safety in the development and application of such compounds.

Synonyms
Direct Orange 8
Cotton Orange R
Benzo Orange R
Takaoka Direct Orange R
Direct Orange R
Nippon Orange R
Azine Orange R
Benzo Orange RP
Paper Orange R
Fenamin Orange R
Direct Orange BR
Direct Orange RN
Bencidal Orange R
Hispamin Orange R
Paramine Orange R
Erie Orange 2R
Z7XA8U1Z8N
Diazine Orange BR
Diazol Orange 3R
Direct Orange 3R
Pontamine Orange R
Benzanil Orange RN
Direct Orange 2RR
Direct Orange M2R
Chlorazol Orange RN
Diazamine Orange BO
Diaphtamine Orange R
Enianil Orange 2RR
Tertrodirect Orange R
Nitto Direct Orange R
Sugai Direct Orange R
Nippon Fast Orange DS
Kayaku Direct Orange R
C.I. Direct Orange 8
HSDB 4228
CI Direct Orange 8, disodium salt
EINECS 219-387-4
NSC 16967
NSC-16967
C.I. DIRECT ORANGE 8 [HSDB]
CI 22130
C.I. 22130
Disodium 5-[[4'-[(1-amino-4-sulfonato-2-naphthyl)azo][1,1'-biphenyl]-4-yl]azo]salicylate
Benzoic acid, 5-((4'-((1-amino-4-sulfo-2-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)-azo)-2-hydroxy-, disodium salt
Benzoic acid, 5-((4'-((1-amino-4-sulfo-2-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-2-hydroxy-, disodium salt
Benzoic acid, 5-(2-(4'-(2-(1-amino-4-sulfo-2-naphthalenyl)diazenyl)(1,1'-biphenyl)-4-yl)diazenyl)-2-hydroxy-, sodium salt (1:2)
DISODIUM 5-((4'-((1-AMINO-4-SULFONATO-2-NAPHTHYL)AZO)(1,1'-BIPHENYL)-4-YL)AZO)SALICYLATE
Benzoic acid, 5-[2-[4'-[2-(1-amino-4-sulfo-2-naphthalenyl)diazenyl][1,1'-biphenyl]-4-yl]diazenyl]-2-hydroxy-, sodium salt (1:2)
DTXSID701024121
613-449-8
64083-59-6
Benzoic acid, 5((4'((1amino4sulfo2naphthalenyl)azo)(1,1'biphenyl)4yl)azo)2hydroxy, disodium salt
C.I. Direct Orange 8, disodium salt
2429-79-0
Amanil Orange Y
UNII-Z7XA8U1Z8N
DTXSID6062412
NS00047592
Q27295114
BENZOIC ACID, 5-((4'-((1-AMINO-4-SULFO-2- NAPHTHALENYL)AZO)(1,1'-BIPHENYL)-4-YL)AZO)-2-HYDROXY-, DISODIUM SALT
BENZOIC ACID, 5-(2-(4'-(2-(1-AMINO-4-SULFO-2- NAPHTHALENYL)DIAZENYL)(1,1'-BIPHENYL)-4-YL)DIAZENYL)-2- HYDROXY-, SODIUM SALT (1:2)
Disodium 5-((4'-((1-amino-4-sulphonato-2-naphthyl)azo)(1,1'-biphenyl)-4-yl)azo)salicylate