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Sulfanilic acid

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Identification
Molecular formula
C6H7NO3S
CAS number
121-57-3
IUPAC name
4-acetamido-2-amino-benzenesulfonic acid
State
State

At room temperature, sulfanilic acid is typically found as a solid.

Melting point (Celsius)
288.00
Melting point (Kelvin)
561.15
Boiling point (Celsius)
311.00
Boiling point (Kelvin)
584.15
General information
Molecular weight
173.19g/mol
Molar mass
173.1860g/mol
Density
1.4850g/cm3
Appearence

Sulfanilic acid appears as a white crystalline solid. It is known to be less soluble in cold water but dissolves in hot water, and when pure, it comes in the form of crystalline powder or granules.

Comment on solubility

Solubility of 4-Acetamido-2-amino-benzenesulfonic acid

4-Acetamido-2-amino-benzenesulfonic acid is known for its unique solubility properties, which can be influenced by a variety of factors. This compound exhibits good solubility in water due to the presence of both amino and sulfonic acid functional groups, which facilitate hydrogen bonding and ionic interactions with water molecules.

Key Factors Affecting Solubility:

  • Hydrogen Bonding: The hydrogen bonds formed between water and the functional groups enhance solubility.
  • Ionic Interactions: The sulfonic acid group can dissociate in water, increasing solubility through ionic interactions.
  • Temperature Variations: Increasing temperature often leads to increased solubility for many organic compounds.

It is important to note that the pH of the surrounding solution also plays a crucial role in determining the solubility. As the pH increases, the dissociation of the sulfonic acid enhances solubility, making it more soluble in basic conditions.

In summary, the combination of hydrogen bonding and ionic character makes 4-acetamido-2-amino-benzenesulfonic acid notably soluble in aqueous environments, demonstrating how the structure of a compound directly influences its solubility properties.

Interesting facts

Interesting Facts About 4-Acetamido-2-amino-benzenesulfonic Acid

4-Acetamido-2-amino-benzenesulfonic acid, commonly known as paracetamol sulfonic acid, is an intriguing chemical compound that has several noteworthy applications and features. Here are some interesting points to consider:

  • Versatile Applications: This compound is utilized in various fields, particularly in the synthesis of pharmaceuticals and dyes. It serves as a versatile intermediate in organic synthesis.
  • Biochemical Importance: As a sulfonic acid derivative, it exhibits unique reactions that can be harnessed for specific biochemical applications, influencing drug design and development.
  • Functional Groups: The presence of both the acetamido and amino functional groups in its structure enhances its reactivity and interaction with biological systems. This feature opens opportunities for targeted delivery systems in drug therapies.
  • Research Potential: Ongoing studies are examining its potential roles in various therapeutic regimes, particularly in pain management and anti-inflammatory pathways, given its relation to other compounds like paracetamol.
  • Environmental Impact: Understanding the degradation and environmental interactions of this compound contributes to the development of safer chemicals within the pharmaceutical industry.

As we delve deeper into the chemistry of 4-acetamido-2-amino-benzenesulfonic acid, we uncover not only its practical uses but also its potential to inspire future innovations in medicine and industry. Science continually reveals the surprising connections between compounds, reminding us that even the simplest alterations can lead to profound impacts.

Synonyms
4-Acetamido-2-aminobenzenesulfonic acid
88-64-2
4-(Acetylamino)-2-aminobenzenesulfonic acid
3-Aminoacetanilide-4-sulfonic acid
Benzenesulfonic acid, 4-(acetylamino)-2-amino-
2-Amino 4-acetamidobenzenesulfonic acid
5-Acetylaminoaniline-2-sulfonic acid
Benzenesulfonic acid, 4-acetamido-2-amino-
ACETANILIDE-4-SULFONIC ACID, 3-AMINO-
4-Acetamido-2-aminobenzenesulphonic acid
QE27AMZ5ZC
EINECS 201-847-0
NSC 36986
BRN 3335986
NSC-36986
2-amino-4-acetamidobenzenesulfonic acid
DTXSID6058974
3-14-00-02203 (Beilstein Handbook Reference)
3-AMINOACETANILIDE-4-SULPHONIC ACID
2-amino-4-acetamidobenzene-1-sulfonic acid
ACETANILIDE-4-SULPHONIC ACID, 3-AMINO-
BENZENESULPHONIC ACID, 4-ACETAMIDO-2-AMINO-
BENZENESULPHONIC ACID, 4-(ACETYLAMINO)-2-AMINO-
MFCD00035752
UNII-QE27AMZ5ZC
WLN: WSQR BZ DMV1
5-Azetylamino-2-sulfoanilin
3'-Amino-4'-sulfoacetanilide
SCHEMBL1755227
DTXCID6048622
NSC36986
3'-Aminoacetanilide-4'-sulfonic acid
AKOS015897403
CS-W014183
AC-13320
AS-64086
A1944
NS00039284
3-acetylamino-1-aminobenzene-6-sulphonic acid
4-(acetylamino)-2-amino-benzenesulfonic acid
D88488
Benzenesulfonic acid, 4-acetamido-2-amino-(8CI)