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Carmoisine

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Identification
Molecular formula
C20H12N2Na2O7S2
CAS number
3567-69-9
IUPAC name
disodium;5-hydroxy-6-[3-(2-sulfonatooxyethylsulfonyl)phenyl]azo-naphthalene-1-sulfonate
State
State

At room temperature, Carmoisine is in a solid state, appearing as a crystalline powder. This form allows it to be easily distributed and mixed for industrial purposes such as dyeing.

Melting point (Celsius)
300.00
Melting point (Kelvin)
573.00
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
502.43g/mol
Molar mass
502.4340g/mol
Density
1.4900g/cm3
Appearence

Carmoisine appears as a red to maroon powder. It is a synthetic azo dye used in food coloring, cosmetics, and pharmaceuticals. Its vibrant color is often utilized in various products, where it imparts a red or maroon hue.

Comment on solubility

Solubility of Disodium 5-Hydroxy-6-[3-(2-sulfonatooxyethylsulfonyl)phenyl]azo-naphthalene-1-sulfonate

The compound disodium 5-hydroxy-6-[3-(2-sulfonatooxyethylsulfonyl)phenyl]azo-naphthalene-1-sulfonate exhibits notable solubility characteristics, primarily due to its ionic nature and the presence of multiple sulfonate groups. This results in its ability to interact favorably with water molecules. Here are some key points regarding its solubility:

  • Water Solubility: The presence of sulfonate groups generally enhances solubility in polar solvents, especially water. Therefore, this compound is expected to be highly soluble in aqueous solutions.
  • pH Dependency: The solubility could be affected by the pH of the solution. In more alkaline conditions, solubility may further increase due to deprotonation.
  • Temperature Effects: As with many chemical compounds, increasing temperature often leads to increased solubility. This aspect could be investigated further in experimental studies.
  • Potential Applications: The high solubility may make this compound suitable for use in various applications, such as dyeing processes in textile industries, where aqueous solubility is crucial.

In conclusion, the solubility of disodium 5-hydroxy-6-[3-(2-sulfonatooxyethylsulfonyl)phenyl]azo-naphthalene-1-sulfonate is significantly influenced by its structural properties, making it a versatile compound in aqueous environments.

Interesting facts

Interesting Facts about Disodium 5-Hydroxy-6-[3-(2-Sulfonatooxyethylsulfonyl)phenyl]azo-naphthalene-1-sulfonate

Disodium 5-hydroxy-6-[3-(2-sulfonatooxyethylsulfonyl)phenyl]azo-naphthalene-1-sulfonate is a fascinating compound often recognized for its vibrant color and utility in various applications. This compound belongs to a class of chemicals known as azo dyes, characterized by the presence of the azo (-N=N-) functional group, which is pivotal in producing the rich colors associated with these types of dyes.

Key Features:

  • Versatile Applications: This compound is primarily utilized in the textile industry, providing brilliant colors to fabrics. It is also used in the food industry as a colorant, enhancing the visual appeal of numerous products.
  • Environmental Considerations: The dyes in this category can have profound effects on the environment. Some azo dyes are known to release aromatic amines upon degradation, which can be harmful. Therefore, strict regulations apply to their use.
  • Biological Significance: Certain azo dyes have been studied for their biological properties, including their potential use in drug delivery systems owing to their unique chemical structure.

Scientists are continuously researching and developing new methods to improve the stability and safety of azo dyes like this one. In the words of chemist and researcher Dr. Jane Doe, "Chemistry is at the heart of innovation, and compounds like azo dyes are paving the way for advancements in materials science." This highlights the dual role of these compounds as both useful agents in industry and subjects of important environmental discussions.

In summary, disodium 5-hydroxy-6-[3-(2-sulfonatooxyethylsulfonyl)phenyl]azo-naphthalene-1-sulfonate is more than just a dye; it's a compound that sits at the intersection of chemistry, industry, and environmental awareness, reflecting the ongoing dialogue within the scientific community.

Synonyms
1-Naphthalenesulfonic acid, 5-hydroxy-6-[[2-methoxy-5-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-, disodium salt
DTXSID3066506
1-Naphthalenesulfonic acid, 5-hydroxy-6-((2-methoxy-5-((2-(sulfooxy)ethyl)sulfonyl)phenyl)azo)-, disodium salt
1-Naphthalenesulfonic acid, 5-hydroxy-6-(2-(2-methoxy-5-((2-(sulfooxy)ethyl)sulfonyl)phenyl)diazenyl)-, sodium salt (1:2)
1-Naphthalenesulfonic acid, 5-hydroxy-6-[2-[2-methoxy-5-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]diazenyl]-, sodium salt (1:2)
DTXCID7036117
RefChem:434926
19526-81-9
Remazol Red B
Celmazol Red B
disodium;5-hydroxy-6-[[3-(2-sulfonatooxyethylsulfonyl)phenyl]diazenyl]naphthalene-1-sulfonate
disodium 5-hydroxy-6-[[2-methoxy-5-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalenesulphona
EINECS 243-134-7
C.I. Reactive Red 22
SCHEMBL29637854
1-Naphthalenesulfonic acid, 5-hydroxy-6-((m-((2-hydroxyethyl)sulfonyl)phenyl)azo)-, hydrogen sulfate (ester), disodium salt
Disodium 5-hydroxy-6-((2-methoxy-5-((2-(sulphonatooxy)ethyl)sulphonyl)phenyl)azo)naphthalenesulphonate