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Schaeffer acid

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Identification
Molecular formula
C10H8O4S
CAS number
93-02-7
IUPAC name
6-hydroxynaphthalene-2-sulfonic acid
State
State

At room temperature, Schaeffer acid exists as a solid. It maintains its solid state under normal conditions of temperature and pressure, and its stability makes it suitable for various chemical applications.

Melting point (Celsius)
181.00
Melting point (Kelvin)
454.15
Boiling point (Celsius)
372.00
Boiling point (Kelvin)
645.15
General information
Molecular weight
224.23g/mol
Molar mass
224.2300g/mol
Density
1.5210g/cm3
Appearence

Schaeffer acid appears as a crystalline solid, usually in white to slightly off-white color. It is often found in powder form and is known for being lightweight relative to metallic compounds.

Comment on solubility

Solubility of 6-Hydroxynaphthalene-2-sulfonic Acid

6-Hydroxynaphthalene-2-sulfonic acid is an intriguing compound, particularly when it comes to its solubility characteristics. Generally speaking, this compound exhibits good solubility in water due to the presence of its sulfonic acid group, which is known for its strong hydrophilic properties.

Factors influencing its solubility include:

  • Temperature: As with many organic compounds, increasing temperature often enhances solubility.
  • pH Levels: The solubility may vary with the pH of the solution, as the sulfonic acid can be deprotonated in basic conditions.
  • Presence of Solvents: Organic solvents can also play a role; while water is a primary solvent, mixtures might yield different solubility profiles.

Moreover, it is important to note that solubility is a critical factor in many applications, particularly in fields like organic synthesis and analytical chemistry. As a derived compound, its solubility directly affects its performance in various biochemical applications and interactions with other substances. Therefore, understanding these solubility properties is essential for predicting behavior in practical scenarios. In conclusion, the solubility of 6-hydroxynaphthalene-2-sulfonic acid is an essential aspect that warrants attention for effective utilization in scientific research and industrial processes.

Interesting facts

Interesting Facts about 6-Hydroxynaphthalene-2-Sulfonic Acid

6-Hydroxynaphthalene-2-sulfonic acid, commonly referred to as HNSA, is a fascinating compound that has garnered attention in both the industrial and research communities. Here are some intriguing aspects of this compound:

  • Dye Intermediate: HNSA is widely used as an intermediate in the synthesis of various dyes. Its sulfonic acid group enhances solubility in water, making it particularly useful in dyeing applications.
  • pH Indicator: This compound exhibits color change properties based on pH, allowing it to serve as an effective pH indicator in various chemical analyses.
  • Research Applications: In the realm of organic chemistry, HNSA has been studied for its potential in creating novel materials and compounds, contributing to advancements in functional materials.
  • Phenolic Compound: The presence of the hydroxyl group provides this compound with phenolic characteristics, which are often associated with antioxidants and other bioactive properties.
  • Sulfophenyl Ring: The naphthalene structure of HNSA features a sulfophenyl moiety, which plays a crucial role in the compound's reactivity and interaction with other substances.

Moreover, the compound's unique structure can be denoted as follows:

Chemical Structure: 6-hydroxynaphthalene-2-sulfonic acid contains a naphthalene skeleton with both hydroxyl and sulfonic acid functional groups positioned strategically, which contributes to its chemical behavior and utility in various applications.

In summary, 6-hydroxynaphthalene-2-sulfonic acid is more than just a chemical compound; it plays a significant role in textile chemistry, material science, and organic synthesis. Its versatility and unique properties make it a compelling subject of study for both students and seasoned chemists alike!

Synonyms
6-hydroxynaphthalene-2-sulfonic acid
93-01-6
2-Naphthol-6-sulfonic acid
2-Naphthalenesulfonic acid, 6-hydroxy-
Schaeffer's acid
6-Hydroxynaphthalene-2-sulphonic acid
2-Naphtol-6-sulfosaure
2-Hydroxy-6-naphthalenesulfonic acid
SCHAFFER'S ACID
6-HYDROXY-2-NAPHTHALENESULFONIC ACID
Kyselina schaferova
Kyselina schaferova [Czech]
beta-Naphtholsulfonic acid S
beta-Naphthol-6-sulfonic acid
.beta.-Naphthol-6-sulfonic acid
Schaeffer's .beta.-acid
2-Naphtol-6-sulfosaure [German]
NSC 5871
EINECS 202-209-4
Schaeffer's beta-naphtholsulfonic acid
BRN 0521151
Kyselina 2-naftol-6-sulfonova
Kyselina 2-naftol-6-sulfonova [Czech]
O937I7N48V
NSC-5871
Schaeffer's .beta.-naphtholsulfonic acid
6-hydroxynaphthalene-2-sulfonate
EC 202-209-4
4-11-00-00622 (Beilstein Handbook Reference)
2-NAPHTHOL-6-SULFONIC ACID [MI]
6-HYDROXY-2-NAPHTHALENSULFONIC ACID
6-HYDROXY-2-NAPHTHALENESULFONIC-ACID
Schaeffer's beta-acid
2-Napthol-6-sulfonic acid
UNII-O937I7N48V
6-Hydroxynaphthalene-2-sulfonicacid
CBDivE_016130
WLN: L66J CSWQ HQ
SCHEMBL565054
.beta.-Naphtholsulfonic acid S
CHEMBL3305962
DTXSID2047014
NSC5871
2-Hydroxynaphthalene-6-sulfonic acid
BBL034693
STL426373
6-hydroxy-beta-naphthalenesufonic acid
AKOS015960223
2-hydroxy-naphthalene-6-sulphonic acid
FH41537
AC-10132
VS-12640
DB-057357
NS00005106
G77503
Q10395576
6528-46-7