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6-Amino-4-hydroxy-2-naphthalenesulfonic acid

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Identification
Molecular formula
C10H9NO4S
CAS number
88-63-1
IUPAC name
6-amino-4-hydroxy-naphthalene-2-sulfonic acid
State
State

At room temperature, 6-Amino-4-hydroxy-2-naphthalenesulfonic acid is in a solid state. It is usually encountered as a crystalline powder.

Melting point (Celsius)
300.00
Melting point (Kelvin)
573.15
Boiling point (Celsius)
420.00
Boiling point (Kelvin)
693.15
General information
Molecular weight
239.25g/mol
Molar mass
239.2510g/mol
Density
1.4173g/cm3
Appearence

6-Amino-4-hydroxy-2-naphthalenesulfonic acid appears as a white to off-white crystalline powder. It is typically found in this solid-state with a slightly acidic odor due to its sulfonic acid group. The compound is often used in the production of dyes and can exhibit a range of appearances based on its purity.

Comment on solubility

Solubility of 6-Amino-4-hydroxy-naphthalene-2-sulfonic Acid

6-amino-4-hydroxy-naphthalene-2-sulfonic acid, with the chemical formula C10H9NO3S, demonstrates interesting solubility characteristics. This compound exhibits:

  • High solubility in water: The sulfonic acid group (-SO3H) greatly enhances the compound's ability to dissolve in aqueous solutions, making it hydrophilic.
  • Poor solubility in organic solvents: Unlike water, organic solvents such as benzene or hexane show limited capacity to dissolve this compound due to its polar functional groups.
  • Temperature dependency: The solubility may increase with temperature, typically for organic compounds, but specific behavior could vary depending on the solvent in use.

In summary, the solubility of 6-amino-4-hydroxy-naphthalene-2-sulfonic acid is a result of its polar functional groups, which promote solvation in water while limiting interaction with non-polar solvents. As with many aromatic sulfonic acids, their unique structures allow for varied interactions in different environments.

Interesting facts

Interesting Facts about 6-amino-4-hydroxy-naphthalene-2-sulfonic acid

6-amino-4-hydroxy-naphthalene-2-sulfonic acid, also known as Fast Green FCF, is a fascinating compound with a variety of uses and significant importance in both the fields of chemistry and industry. Here are some intriguing facts:

  • Dye Production: This compound is primarily utilized as a dye, commonly found in the textile industry. It provides vibrant colors and is favored for its stability and resistance to fading.
  • Biological Significance: Beyond its applications in dyeing, it is also studied for its role in biological systems, particularly in research concerning the interactions of colors and biological materials.
  • Analytical Usage: It serves as a reagent in various analytical chemistry applications, including spectrophotometric methods. Its UV-Vis absorbance properties make it valuable for quantitative analysis.
  • Environmental Considerations: When using this compound, it is essential to consider its environmental impact. There are ongoing studies regarding its biodegradability and the effects of dye effluents on aquatic systems.
  • Color Chemistry: The unique structure of 6-amino-4-hydroxy-naphthalene-2-sulfonic acid allows it to participate in specific reactions that lead to vibrant color formation, making it an excellent case study in color chemistry.

As noted by chemists, "The chemistry of dye compounds often provides a deeper understanding of molecular interactions and color theory." This highlights the value of studying compounds like 6-amino-4-hydroxy-naphthalene-2-sulfonic acid, which embody intersections between chemistry, biology, and environmental science.

In summary, 6-amino-4-hydroxy-naphthalene-2-sulfonic acid is not merely a compound but a significant player in various fields, prompting ongoing research and innovation.

Synonyms
90-51-7
6-AMINO-4-HYDROXY-2-NAPHTHALENESULFONIC ACID
6-amino-4-hydroxynaphthalene-2-sulfonic acid
2-Amino-8-naphthol-6-sulfonic Acid
Gamma Acid
gamma-Acid
C.I. Developer 3
2-Naphthalenesulfonic acid, 6-amino-4-hydroxy-
Y acid
7-Amino-1-naphthol-3-sulfonic acid
.gamma.-Acid
Aminonaphthol sulfonic acid gamma
1-Naphthol-3-sulfonic acid, 7-amino-
EINECS 202-000-8
2-amino-8-hydroxynaphthalene-6-sulfonic acid
NSC 31508
BRN 1821283
0PLB93P56X
DTXSID0026547
AI3-19502
CI DEVELOPER 3
6-Amino-4-hydroxynaphthalene-2-sulphonic acid
MFCD00003973
NSC-31508
2-amino-6-sulfo-8-naphthol
6-Amino-4-hydroxy-2-naphthalenesulfonic acid (gamma acid)
DTXCID606547
CHEMBL3087995
EC 202-000-8
6-amino-4-naphthol-2-sulfonic acid
2-amino-8-hydroxy-6-sulfonaphthalene
90459-13-5
AMINONAPHTHOL SULFONIC ACID .GAMMA.
1-NAPHTHOL-7-AMINO-3-SULFONIC ACID
7-AMINO-1-HYDROXY-3-NAPHTHALENESULFONIC ACID
Aminonaphthol sulfonic acid, .gamma.-
UNII-0PLB93P56X
6-Amino-4-hydroxy-2-naphthalenesulfonic acid (.gamma. acid)
G-Saure
6-Amino-4-hydroxy-2-naphthalenesulfonicAcid
6-amino-4-hydroxy-naphthalene-2-sulfonic acid
94552-33-7
SCHEMBL156692
NSC8630
NSC-8630
NSC31508
Tox21_200078
BDBM50443532
STK368430
AKOS005444391
CS-W012819
CAS-90-51-7
NCGC00248514-01
NCGC00257632-01
SY051570
DB-057209
A0371
NS00009937
1-hydroxy-7-aminonaphthalene-3-sulphonic acid
7-amino-1-hydroxy-3-naphthalene sulfonic acid
D70648
6-azanyl-4-oxidanyl-naphthalene-2-sulfonic acid
SR-01000310329
SR-01000310329-1
Q27237069
6-Amino-4-hydroxy-2-naphthalenesulfonic acid, technical, >=90% (T)
2-Naphthalenesulfonic acid,6-amino-4-hydroxy-,coupled with diazotized 5-amino-2-[(4-aminophenyl)amino]benzenesulfonic acid,diazotized,coupled with m-phenylenediamine,sodium salts
2-Naphthalenesulfonic acid,6-amino-4-hydroxy-,diazotized,coupled with diazotized 4-aminobenzenesulfonic acid,diazotized aniline and resorcinol
VWO