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Disodium 3-hydroxy-5-(4-sulfophenylazo) naphthalene-2,7-disulphonate

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Identification
Molecular formula
C16H8ClN2Na2O8S2
CAS number
6410-10-2
IUPAC name
disodium;3-(5-chloro-2-hydroxy-phenyl)azo-4,5-dihydroxy-naphthalene-2,7-disulfonate
State
State

At room temperature, this compound is a solid. It is often processed in powder form, particularly when employed in industries for dyeing applications due to its coloring properties.

Melting point (Celsius)
300.00
Melting point (Kelvin)
573.00
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
452.30g/mol
Molar mass
452.3000g/mol
Density
2.3000g/cm3
Appearence

The compound typically appears as a bright red powder. Due to its azo group, it is known for its intense color and is often used as a dye. It is also water-soluble, which contributes to its vibrant appearance in solution.

Comment on solubility

Solubility of Disodium 3-(5-chloro-2-hydroxy-phenyl)azo-4,5-dihydroxy-naphthalene-2,7-disulfonate

Disodium 3-(5-chloro-2-hydroxy-phenyl)azo-4,5-dihydroxy-naphthalene-2,7-disulfonate is a complex compound that exhibits interesting solubility characteristics. Understanding its solubility can be approached by considering several key factors:

  • Polarity: The presence of sulfonate groups contributes to the compound's polarity, enhancing its ability to dissolve in polar solvents such as water.
  • Aqueous Solution Behavior: As a disodium salt, it is likely to be soluble in water, allowing for effective utilization in various chemical applications.
  • Temperature Dependency: Solubility may be influenced by temperature changes—generally, higher temperatures can increase solubility in many ionic compounds.
  • pH Levels: The solubility might also vary with changes in the pH of the solution due to the ionizable functional groups present.

In summary, this compound can be expected to show good solubility in water due to its ionic nature and the presence of the sulfonate groups. However, it is important to consider the specific conditions of the solution, such as temperature and pH, which may influence the solubility profile. As with many chemical compounds, it’s always best to conduct practical experiments to determine precise solubility values.

Interesting facts

Interesting Facts about Disodium 3-(5-Chloro-2-hydroxy-phenyl)azo-4,5-dihydroxy-naphthalene-2,7-disulfonate

Disodium 3-(5-chloro-2-hydroxy-phenyl)azo-4,5-dihydroxy-naphthalene-2,7-disulfonate, commonly known for its role as a dye and colorant, presents a fascinating study for chemists and color scientists. Here are some intriguing aspects of this compound:

  • Color Properties: Due to its azo structure, this compound exhibits vibrant color properties which make it useful in textiles, inks, and other applications where bright coloration is desired.
  • Environmental Considerations: The incorporation of sulfonate groups enhances the water solubility of this compound, which is crucial for its practical applications. However, this raises questions about the environmental footprint and necessitates studies on its biodegradability.
  • Applications: Besides being utilized in dyeing processes, its derivatives find usage in various fields, including cosmetics and food coloring, showcasing the versatility of azo compounds.
  • Health Considerations: The presence of nitrogen in azo compounds sometimes leads to health concerns, particularly in terms of potential carcinogenicity. Thus, regulatory evaluations often accompany its use.

The structural complexity of this compound is noteworthy. The combination of hydroxy and sulfonate groups contributes to its distinct reactivity, making it a subject of interest in organic synthesis and material sciences. As one academic study stated, “Dyes that incorporate such functional groups often exhibit improved stability and usability, thus expanding their commercial potential.”

Overall, Disodium 3-(5-chloro-2-hydroxy-phenyl)azo-4,5-dihydroxy-naphthalene-2,7-disulfonate holds a significant place in both chemical research and applied sciences, embodying the intricate relationship between structure and function.

Synonyms
1058-92-0
Eriochrome blue SE
EINECS 213-894-4
Disodium 3-((5-chloro-2-hydroxyphenyl)azo)-4,5-dihydroxy-2,7-naphthalenedisulfonate
2,7-Naphthalenedisulfonic acid, 3-((5-chloro-2-hydroxyphenyl)azo)-4,5-dihydroxy-, disodium salt
3-((5-Chloro-2-hydroxyphenyl)azo)-4,5-dihydroxy-2,7-naphthalenedisulfonic acid disodium salt
2,7-Naphthalenedisulfonic acid, 3-[(5-chloro-2-hydroxyphenyl)azo]-4,5-dihydroxy-, disodium salt
Disodium 3-[(5-chloro-2-hydroxyphenyl)azo]-4,5-dihydroxy-2,7-naphthalenedisulfonate
MORDANT BLUE 13
Plasmocorinth B
Disodium 3-(5-chloro-2-hydroxyphenylazo)-4,5-dihydroxynaphthalene-2,7-disulphonate
Sunchromine Fast Blue MB
2,7-Naphthalenedisulfonic acid,3-[(5-chloro-2-hydroxyphenyl)azo]-4,5-dihydroxy-, disodium salt
Calcium fast purple
MFCD00003941
disodium;3-[(5-chloro-2-hydroxyphenyl)diazenyl]-4,5-dihydroxynaphthalene-2,7-disulfonate
Michrome No. 452
2Na 3-(5-chloro-2-OHphenylazo)-4,5-diOHnaphthalene-2,7-disulphonate
EriochromeBlue SE
C.I. Mordant Blue 13, disodium salt
MORDANTBLUE13
3-(5-Chloro-2-hydroxyphenylazo)-4,5-dihydroxy-2,7-naphthalenedisulfonic Acid Disodium Salt
3-(5-Chloro-2-hydroxyphenylazo)-4,5-dihydroxynaphthalene-2,7-disulfonic acid disodium salt
SCHEMBL700390
SCHEMBL2871335
CHEMBL2028186
SCHEMBL11754845
DTXSID20889359
BAA05892
Plasmocorinth B, Dye content 60 %
AKOS015904158
AKOS024319176
AKOS025310822
A0584
NS00042251
D88285
EN300-220856
Z2692722765
MORDANT BLUE 13 (ACID ALIZARINE BLUE BB C.I. 16680)
2,7-Naphthalenedisulfonic acid, 3-(2-(5-chloro-2-hydroxyphenyl)diazenyl)-4,5-dihydroxy-, sodium salt (1:2)
disodium 3-[2-(5-chloro-2-hydroxyphenyl)diazen-1-yl]-4,5-dihydroxynaphthalene-2,7-disulfonate
disodium 3-[2-(5-chloro-2-hydroxyphenyl)hydrazin-1-ylidene]-5-hydroxy-4-oxonaphthalene-2,7-disulfonate