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Acid Red 88

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Identification
Molecular formula
C22H14N4Na2O11S3
CAS number
1658-56-6
IUPAC name
4-amino-6-[4-[4-[(8-amino-1-hydroxy-5,7-disulfo-2-naphthyl)azo]-3-methoxy-phenyl]-2-methoxy-phenyl]azo-5-hydroxy-naphthalene-1,3-disulfonic acid
State
State

Acid Red 88 is typically solid at room temperature and is often used in powdered form.

Melting point (Celsius)
300.00
Melting point (Kelvin)
573.00
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
604.54g/mol
Molar mass
604.5400g/mol
Density
1.2100g/cm3
Appearence

Acid Red 88 appears as a red dye commonly used in textile and other dyeing applications. It typically presents as a red powder or granular solid.

Comment on solubility

Solubility of 4-amino-6-[4-[4-[(8-amino-1-hydroxy-5,7-disulfo-2-naphthyl)azo]-3-methoxy-phenyl]-2-methoxy-phenyl]azo-5-hydroxy-naphthalene-1,3-disulfonic acid

The solubility of 4-amino-6-[4-[4-[(8-amino-1-hydroxy-5,7-disulfo-2-naphthyl)azo]-3-methoxy-phenyl]-2-methoxy-phenyl]azo-5-hydroxy-naphthalene-1,3-disulfonic acid can be influenced by a number of factors, primarily its structure and functional groups. Here are some key points to consider:

  • Water Solubility: This compound contains multiple sulfonic acid groups, which typically enhance water solubility due to their ability to form hydrogen bonds and ionize in aqueous environments.
  • Polar Functional Groups: The presence of -OH (hydroxyl) and -NH2 (amino) groups also contributes to the compound’s solubility in water, as these groups can interact strongly with water molecules.
  • Solvent Polarities: The solubility might vary significantly in polar versus non-polar solvents. While it is likely soluble in polar solvents (e.g., water), it may show poor solubility in non-polar solvents due to hydrophobic interactions.
  • Concentration Effects: The solubility may also be dependent on concentration and temperature, with higher temperatures often increasing solubility.

Overall, the intricate structure of this compound, with its numerous functional groups, suggests that it is likely to have good solubility in polar solvents such as water. As a rule of thumb in chemistry, like dissolves like: polar compounds tend to dissolve in polar solvents, which aligns with our expectations based on its structural features.


Interesting facts

Interesting Facts about 4-amino-6-[4-[4-[(8-amino-1-hydroxy-5,7-disulfo-2-naphthyl)azo]-3-methoxy-phenyl]-2-methoxy-phenyl]azo-5-hydroxy-naphthalene-1,3-disulfonic acid

This compound, a member of the azo dye family, exhibits fascinating characteristics that make it a subject of interest in both academic and industrial settings. Here are some noteworthy facts about it:

  • Color and Applications: Azo dyes, including this compound, are known for their vibrant color properties. They find extensive use in the textile industry for coloring fabrics and in the production of inks and pigments.
  • Complex Structure: The structure of this compound is intricate, featuring multiple azo linkages and sulfonic acid groups, which contribute to its solubility and color stability.
  • Biological Activity: Some azo compounds have been studied for their biological activities. This compound may possess potential applications in fields such as drug development or as a biological stain, owing to its unique molecular composition.
  • Environmental Considerations: The stability of azo dyes in the environment raises concerns regarding their degradation and potential toxicity. Understanding the breakdown of such compounds is crucial for sustainability in dye usage.
  • Analytical Chemistry: Compounds like this one are often used as standards in analytical techniques, such as UV-Vis spectroscopy, helping to develop more sensitive detection methods for various analytes.

As a student of chemistry, one might appreciate how this compound exemplifies the intersection of art (in its coloring properties) and science (in its complex chemical structure), making it a truly multidisciplinary subject.

In the words of a renowned chemist, "Chemistry is not just about reactions; it's about the stories molecules tell." This compound undoubtedly has its own intriguing story to tell.

Synonyms
Direct Blue 1 acid
R1UJK1UY9R
EINECS 223-333-5
1,3-Naphthalenedisulfonic acid, 6,6'-((3,3'-dimethoxy(1,1'-biphenyl)-4,4'-diyl)bis(2,1-diazenediyl))bis(4-amino-5-hydroxy-
1,3-Naphthalenedisulfonic acid, 6,6'-((3,3'-dimethoxy(1,1'-biphenyl)-4,4'-diyl)bis(azo))bis(4-amino-5-hydroxy-
1,3-Naphthalenedisulfonic acid, 6,6'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(2,1-diazenediyl)]bis[4-amino-5-hydroxy-
Chicago Sky Blue
3841-14-3
CHEMBL311909
C.I. Direct Blue 1, free acid
Chicago Sky Blue 60
NSC9617
NSC51538
NSC631567
4-amino-6-[4-[4-[(8-amino-1-hydroxy-5,7-disulfo-2-naphthyl)azo]-3-methoxy-phenyl]-2-methoxy-phenyl]azo-5-hydroxy-naphthalene-1,3-disulfonic acid
Prestwick0_000425
Prestwick1_000425
Prestwick2_000425
Prestwick3_000425
UNII-R1UJK1UY9R
BSPBio_000410
SPBio_002349
BPBio1_000452
CHEMBL1368261
DTXSID3063207
SCHEMBL14413257
OHMJKMNGYYWCHB-UHFFFAOYSA-N
BDBM50113317
ND-8731
ND-8792
NCI60_042146
ND-10083
NS00044895
BRD-K56483981-342-01-5
BRD-K56483981-342-04-9
BRD-K56483981-342-06-4
Q27287678
3-Amino-5-[(4-{4-[(8-amino-1-hydroxy-5,7-disulfo(2-naphthyl))diazenyl]-3-methoxyphenyl}-2-methoxyphenyl)diazenyl]-4-hydroxynaphthalen-1,2,5,8a-tetrasulfonic acid
4-Amino-6-[(4-{4-[(8-amino-1-hydroxy-5,7-disulfo(2-naphthyl))diazenyl]-3-methoxyphenyl}-2-methoxyphenyl)diazenyl]-5-hydroxynaphthalen-1,3-disulfonic acid
4-amino-6-[(Z)-[4-[4-[(Z)-(8-amino-1-hydroxy-5,7-disulfo-2-naphthyl)azo]-3-methoxy-phenyl]-2-methoxy-phenyl]azo]-5-hydroxy-naphthalene-1,3-disulfonic acid
6,6'-((3,3'-Dimethoxy(1,1'-biphenyl)-4,4'-diyl)bis(azo))bis(4-amino-5-hydroxynaphthalene-1,3-disulphonic) acid
Bis[4-Amino-5-hydroxy-6-(2-methoxy-phenylazo)-naphthalene-1,3-disulfonic acid](Chicago Sky Blue)