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Sulfanilic acid

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Identification
Molecular formula
C6H8N2O3S
CAS number
121-57-3
IUPAC name
2-chlorobenzene-1,4-diamine;sulfuric acid
State
State

At room temperature, sulfanilic acid is a solid.

Melting point (Celsius)
288.00
Melting point (Kelvin)
561.15
Boiling point (Celsius)
330.00
Boiling point (Kelvin)
603.15
General information
Molecular weight
173.19g/mol
Molar mass
173.1880g/mol
Density
1.4850g/cm3
Appearence

Sulfanilic acid is typically found as a white or nearly white crystalline solid. Its powder form is odorless and stable under normal conditions.

Comment on solubility

Solubility of 2-chlorobenzene-1,4-diamine in Sulfuric Acid

The solubility of 2-chlorobenzene-1,4-diamine in sulfuric acid is an intriguing topic, showcasing the interplay between organic compounds and strong acids. Key observations include:

  • Polar Interactions: Sulfuric acid is a highly polar solvent, which enhances the solubility of polar organic compounds. Due to the amino groups present in 2-chlorobenzene-1,4-diamine, solubility is expected to be **relatively high** due to hydrogen bonding.
  • Protonation Effects: The amino groups (-NH2) can be protonated in an acidic environment, leading to the formation of cationic species that are more soluble in sulfuric acid.
  • Hydrophobic Effect: The presence of the chlorobenzene ring introduces a hydrophobic character, which may mildly affect solubility. However, the presence of strong hydrogen bond donors in sulfuric acid generally compensates for this effect.

In conclusion, while the chlorinated component adds a layer of complexity by influencing hydrophobicity, the strong acid environment of sulfuric acid facilitates enhanced solubility through effective interaction between solvent and solute. As such, one could state: “Organic compounds with an amino functional group are typically quite soluble in strong acids due to favorable intermolecular interactions.”

Interesting facts

Interesting Facts about 2-Chlorobenzene-1,4-diamine; Sulfuric Acid

2-Chlorobenzene-1,4-diamine, also known as p-chloroaniline, is an intriguing compound that possesses several notable properties and applications:

  • Aromatic Compound: This compound belongs to the class of aromatic amines, which are known for their ring structure that contributes to unique chemical behavior.
  • Industrial Importance: It is widely used in the manufacture of dyes, pesticides, and other chemicals, making it significant in various industries.
  • Biological Relevance: Studies have shown that it can exhibit biological activity, which makes it a subject of interest in medicinal chemistry and environmental studies.
  • Toxicity Considerations: While useful, 2-chlorobenzenediamine should be handled with care as it is classified as a hazardous substance due to its potential to cause health problems.

Sulfuric acid, on the other hand, is often utilized in combination with this compound for various reactions:

  • Powerful Acid: Known as one of the strongest acids, sulfuric acid plays a crucial role as a dehydrating agent.
  • Synthesis Reactions: In chemical synthesis, sulfuric acid can facilitate the formation of various derivatives, enhancing the utility of 2-chlorobenzenediamine in chemical processes.
  • Industries: It is pivotal not only in organic synthesis but also in the production of fertilizers, detergents, and battery acid.

In summary, the combination of 2-chlorobenzenediamine and sulfuric acid opens up pathways for numerous chemical reactions while also posing important considerations for handling and safety. As a chemistry student, understanding these compounds and their interactions can unveil rich insights into organic synthesis and industrial applications.

Synonyms
2-chlorobenzene-1,4-diamine sulfate
2-Chloro-p-phenylenediamine sulfate
2-Chloro-1,4-phenylenediamine sulfate
6219-71-2
Fourrine SO
1,4-Benzenediamine, 2-chloro-, sulfate
Fourrine 81
Renal SO
2-CHLORO-1,4-BENZENEDIAMINE SULFATE
2-Chlorobenzene-1,4-diammonium sulphate
2-Cl-p-PD
C.I. Oxidation Base 13A
renal brown so
2-Chloro p-phenylenediamine sulphate
CCRIS 145
C.I. 76066
3-Chloro-4-aminoaniline sulfate
p-Phenylenediamine, 2-chloro-, sulfate
HSDB 6247
NCI-C03316
EINECS 228-291-1
EINECS 262-915-3
2-Chloro-1,4-benzenediamine sulfate (1:1)
COLOREX OCPPDS
CHEBI:76597
RODOL BROWN SO
1,4-Benzenediamine, 2-chloro-, sulfate (1:1)
2-chlorobenzene-1,4-diaminium sulfate
851056T3RC
2-Chloro-1,4-phenylenediamine sulfate (1:1)
2-Chloro-1,4-diaminobenzene sulfate
1,4-Benzenediamine, 2-chloro-, sulfate (1:?)
2-CHLORO-P-PHENYLENEDIAMINE SULFATE (1:1)
2-CHLORO-1,4-BENZENEDIAMINE SULFATE [HSDB]
2ClpPD
3Chloro4aminoaniline sulfate
2Chloropphenylenediamine sulfate
DTXSID101015801
pPhenylenediamine, 2chloro, sulfate
1,4Benzenediamine, 2chloro, sulfate
2-CHLORO-P-PHENYLENEDIAMINE SULFATE [INCI]
262-915-3
61702-44-1
2-Chlorobenzene-1,4-diamine sulfate(1:x)
2-chlorobenzene-1,4-diamine; sulfuric acid
2-Chloro-p-phenylenediamine monosulfate
2-chlorobenzene-1,4-diamine;sulfuric acid
DTXSID0020284
2-Chloro-1,4-diaminobenzene sulfate (1:1)
DTXCID00284
CAS-61702-44-1
C6H9ClN2O4S
UNII-851056T3RC
2-Chloro-1,4-diaminobenzene monosulfate; 2-Chlorobenzene-1,4-diamine, sulfuric acid
MFCD00013004
2-Chloro-1,4-diaminobenzene monosulfate
SCHEMBL479273
CHEMBL1391326
2-Chloro-p-phenylenediamine SO4
2-chlorobenzene-1,4-diaminesulfate
Tox21_201310
Tox21_302907
1,4-Diamino-2-chlorobenzene Sulfate
AKOS000121874
CS-W009479
NCGC00090823-01
NCGC00256590-01
NCGC00258862-01
AC-20533
AS-12678
DB-073003
NS00086163
EN300-18372
2-chloranylbenzene-1,4-diamine; sulfuric acid
D89222
A833382
Q27146144
Z256708872
2-Chloro-p-phenylenediamine monosulfate, technical, >=97.0% (GC/T)