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Carmoisine

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Identification
Molecular formula
C20H13N2Na3O10S2
CAS number
3567-69-9
IUPAC name
trisodium;3-oxo-2-(4-sulfonatophenyl)-4-(4-sulfonatophenyl)azo-1H-pyrazole-5-carboxylate
State
State

At room temperature, Carmoisine exists as a solid powder. It is water-soluble and mainly used in aqueous solutions.

Melting point (Celsius)
300.00
Melting point (Kelvin)
573.00
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
534.37g/mol
Molar mass
534.3660g/mol
Density
0.3000g/cm3
Appearence

Carmoisine appears as a red to dark red powder. It is commonly used as a food coloring agent and is known for its vibrant hue when dissolved in water.

Comment on solubility

Solubility of Trisodium 3-Oxo-2-(4-sulfonatophenyl)-4-(4-sulfonatophenyl)azo-1H-pyrazole-5-carboxylate

Trisodium 3-oxo-2-(4-sulfonatophenyl)-4-(4-sulfonatophenyl)azo-1H-pyrazole-5-carboxylate, often referred to as a triphosphate derivative, exhibits intriguing solubility characteristics. Understanding its solubility is crucial for various applications, particularly in the fields of dye chemistry and biological studies.

Key Solubility Characteristics:

  • Water Solubility: This compound is highly soluble in water due to its ionic nature. The presence of sulfonate groups enhances its ability to interact with water molecules through hydrogen bonding.
  • pH Sensitivity: The solubility can vary significantly with changes in pH. The compound remains soluble in acidic to neutral conditions but may precipitate under highly alkaline conditions.
  • Temperature Influence: As with many ionic compounds, increased temperature typically leads to increased solubility, though this can depend on the specific ionic interactions present.

In summary, trisodium 3-oxo-2-(4-sulfonatophenyl)-4-(4-sulfonatophenyl)azo-1H-pyrazole-5-carboxylate is generally characterized by high water solubility, particularly under neutral to slightly acidic conditions. Its ionic structure and functional groups play a significant role in its interaction with solvent molecules, making it a versatile compound in various chemical applications.

Interesting facts

Interesting Facts about Trisodium 3-Oxo-2-(4-sulfonatophenyl)-4-(4-sulfonatophenyl)azo-1H-pyrazole-5-carboxylate

Trisodium 3-oxo-2-(4-sulfonatophenyl)-4-(4-sulfonatophenyl)azo-1H-pyrazole-5-carboxylate, often referred to in scientific literature for its versatility, boasts a rich profile of characteristics that make it a subject of interest in various fields.

Applications in Diverse Industries

  • Analytical Chemistry: This compound is utilized in analytical chemistry, particularly in colorimetric assays, due to its vivid coloration which provides accurate readings.
  • Dye Manufacturing: Its azo group (-N=N-) contributes to its applications as a dye, especially in textiles and food industries, where its vibrant colors can be harnessed.
  • Biological Research: Researchers have explored its interaction with biological systems, providing insights into potential pharmaceutical applications as a dye in protein analysis.

Chemical Structure Highlights

The presence of the azo functional group is noteworthy, as it often serves as a chromophore in various dye molecules. The incorporation of sulfonic acid groups enhances the solubility and stability of this compound in aqueous solutions, making it particularly useful for practical applications.

Environmental Considerations

With increasing scrutiny on the environmental impacts of synthetic dyes, the sustainability of chemical compounds like this has garnered attention. Scientists are investigating its biodegradability and the ecological risks associated with its use. Emphasizing both the importance of sustainable practices and responsible sourcing in the chemical industry is crucial for future applications.

In summary, trisodium 3-oxo-2-(4-sulfonatophenyl)-4-(4-sulfonatophenyl)azo-1H-pyrazole-5-carboxylate is more than just a compound; it is a bridge connecting various disciplines within science, showcasing the profound interrelationship between chemistry, biology, and environmental science. As one researcher aptly stated, "dyes are the paint of the chemical world, colorizing the canvas of innovation." This compound's unique properties and extensive capabilities firmly position it at the forefront of chemical research and industrial application.

Synonyms
DYE LEMON YELLOW
CI FOOD YELLOW 4
FDC YELLOW NO. 5
FD and C Yellow No. 5
TARTRAZINE [MART.]
D&C YELLOW NO. 5
DYE DC YELLOW NO. 5
DYE FDC YELLOW NO. 5
INA NO.102
D&C YELLOW NO. 5 CFR
INS-102
F D & C YELLOW NO. 5
D&C YELLOW NO. 5 [II]
FD&C YELLOW NO. 5 [II]
NSC-4760
FD&C YELLOW NO. 5 [FCC]
E-102
TARTRAZINE (MART.)
CI (1975) NO. 19140
D&C YELLOW NO. 5 (II)
FD&C YELLOW NO. 5 (II)
trisodium 5-hydroxy-1-(4-sulfonatophenyl)-4-((E)-2-(4-sulfonatophenyl)diazen-1-yl)-1H-pyrazole-3-carboxylate
trisodium 5-hydroxy-1-(4-sulfonatophenyl)-4-[(E)-2-(4-sulfonatophenyl)diazen-1-yl]-1H-pyrazole-3-carboxylate
ACID YELLOW 23 [INCI]
fd&c yellow 5
fd&c yellow no. 5
DTXSID1021455
DTXCID701437203
Filter Yellow
trisodium 5-oxo-1-(4-sulfonatophenyl)-4-[(E)-(4-sulfonatophenyl)diazenyl]-2,5-dihydro-1H-pyrazole-3-carboxylate
CAS-1934-21-0
NCGC00187584-01
trisodium 5-oxo-1-(4-sulfonatophenyl)-4-[(1E)-2-(4-sulfonatophenyl)diazen-1-yl]-2H-pyrazole-3-carboxylate
84842-94-4
CHEMBL2360149
DTXSID70859688
SFCLQNOEQQAOAZ-KBEHSQJOSA-K
SFCLQNOEQQAOAZ-MLUUKTGYSA-K
Tox21_113411
Tox21_201539
Tox21_300554
AKOS000282974
AKOS005166846
AKOS024319572
AKOS025116987
F D & C YELLOW #5 [VANDF]
NCGC00254325-01
NCGC00259089-01
477549-79-4
F0088
F0144
NS00075656
trisodium (4e)-5-oxo-1(4-sulfonatophenyl)-4-[(4-sulfonatophenyl) hydrazono]-3-pyrazolecarboxylate
Trisodium 5-hydroxy-1-(4-sulfonatophenyl)-4-[(4-sulfonatophenyl)diazenyl]-1H-pyrazole-3-carboxylate
Trisodium(4Z)-5-oxo-1-(4-sulfonatophenyl)-4-[(4-sulfonatophenyl)hydrazinylidene]pyrazole-3-carboxylate