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3-Amino-2-hydroxy-5-sulfobenzoic acid

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Identification
Molecular formula
C7H7NO6S
CAS number
88-54-0
IUPAC name
3-amino-2-hydroxy-5-sulfo-benzoic acid
State
State

The compound is solid at room temperature.

Melting point (Celsius)
300.00
Melting point (Kelvin)
573.00
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
217.18g/mol
Molar mass
217.1810g/mol
Density
2.0703g/cm3
Appearence

3-Amino-2-hydroxy-5-sulfobenzoic acid appears as a white to off-white crystalline powder, which may vary in its degree of crystallinity.

Comment on solubility

Solubility of 3-Amino-2-hydroxy-5-sulfo-benzoic Acid

3-Amino-2-hydroxy-5-sulfo-benzoic acid, commonly known for its functional groups, exhibits interesting solubility characteristics. This compound is part of the amino acid family, which often enhances its ability to dissolve in polar solvents.

Key Solubility Features:

  • Polar Nature: Due to the presence of the amino (-NH2), hydroxy (-OH), and sulfonic acid (-SO3-H) groups, this compound is expected to be highly soluble in water.
  • Salt Formation: The sulfonic acid group can dissociate in aqueous solutions, promoting high ionic strength and further enhancing solubility.
  • Temperature Dependence: Solubility may vary with temperature; typically, it increases with higher temperatures, a common trait for many organic acids.
  • pH Sensitivity: The solubility is also influenced by the pH of the solution. In acidic conditions, the amino group may be protonated, altering the compound's overall charge and influencing solubility.

In summary, 3-amino-2-hydroxy-5-sulfo-benzoic acid is highly soluble in aqueous solutions owing to its polar functional groups and the ability to form salts. It demonstrates a noteworthy interaction with variations in temperature and pH, making it an interesting compound from a solubility perspective.

Interesting facts

Interesting Facts about 3-amino-2-hydroxy-5-sulfo-benzoic acid

3-amino-2-hydroxy-5-sulfo-benzoic acid, commonly known as citrate tailing reagent, is a fascinating compound with various applications in both industry and research. This compound is a derivative of benzoic acid and possesses a unique structure that allows it to undergo a range of chemical reactions, enhancing its usefulness.

Unique Chemical Properties

  • Functional Groups: The presence of both amino and hydroxy functional groups makes this compound polar and reactive, enabling it to participate in various biochemical processes.
  • pH Sensitivity: As a sulfonic acid, it displays behavior typical of acidic compounds, which can significantly affect its reactivity depending on the pH of the solution it is in.

Applications

  • Biochemical Research: This compound plays a crucial role as a reagent in the synthesis of various biochemicals, serving as a building block for pharmaceutical compounds.
  • Colorimetric Assays: It is widely used in analytical chemistry for colorimetric determinations due to its ability to form colored complexes with certain metal ions.
  • Environmental Analysis: The compound has applications in determining levels of pollutants, making it a valuable tool for environmental chemists.

Quote from a Chemist

As one notable chemist remarked, “The intricate interplay between structure and function in compounds like 3-amino-2-hydroxy-5-sulfo-benzoic acid underscores the beauty of organic chemistry.” This highlights the importance of studying such compounds in the broader context of chemical research.

In summary, 3-amino-2-hydroxy-5-sulfo-benzoic acid is not only intriguing due to its complex structure but also due to its significant impact on various fields of chemistry. Its versatility and reactivity continue to inspire scientists in both academic and practical applications.

Synonyms
3-amino-2-hydroxy-5-sulfobenzoic acid
3-AMINO-5-SULFOSALICYLIC ACID
3-Amino-5-sulphosalicylic acid
9T7FZR32GZ
EINECS 228-261-8
DTXSID8074863
Salicylic acid, 3-amino-5-sulfo-
DTXCID0043214
6201-86-1
Benzoic acid, 3-amino-2-hydroxy-5-sulfo-
Aminosulfosalicylsaure
UNII-9T7FZR32GZ
3-Amino-5-sulfosalicyic acid
SCHEMBL7827859
ZLTOYIGWKLTQBJ-UHFFFAOYSA-N
STK672221
AKOS005592750
3-amino-2-hydroxy-5-sulfo-benzoic acid
NS00034891
EN300-114486
G31677
Z277540082