5-Amino-2-anilinobenzenesulfonic acid

Basic Information

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CAS Number

91-30-5

Molecular Formula

C12H12N2O3S

Molecular Weight

264.31 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Amines

Fine Chemicals Dyes and Pigments Organic Dyes

Fine Chemicals Surfactants Anionic Surfactants

Basic Physical Properties

Density

1.464

Refractive Index

1.69

SMILES

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C1=CC=C(C=C1)NC2=C(C=C(C=C2)N)S(=O)(=O)O

InChI

InChI=1S/C12H12N2O3S/c13-9-6-7-11(12(8-9)18(15,16)17)14-10-4-2-1-3-5-10/h1-8,14H,13H2,(H,15,16,17)

InChIKey

HYLOSPCJTPLXSF-UHFFFAOYSA-N

LogP

2.2591

Topological Polar Surface Area

92.42000000000002 Å²

Hydrogen Bond Donor/Acceptor

4 / 5

Complexity

360

Synonyms & References

English

NSC37076
5-amino-2-anilino-besylic acid
BDBM52843
NSC-37076
Metanilic acid, 6-anilino-
5-Amino-2-(phenylamino)benzenesulfonic acid
Benzenesulfonic acid, 5-amino-2-(phenylamino)-
4-Aminodiphenyamine-2-sulfonic acid
NCGC00245012-02
5-amino-2-anilinobenzensulfonsyre
MLS000737782-02
5-Amino-2-anilinobenzenesulphonic acid
AS-66067
5-Amino-2-(phenylamino)benzenesulfonicacid
MLS000737782
5-Amino-2-anilinebenzenesulphonic acid
4-Aminodiphenylamine-2-sulfinic acid
5-azanyl-2-phenylazanyl-benzenesulfonic acid
EINECS 308-370-8
FT-0617420
AC-12053
EINECS 202-058-4
NCGC00245012-01
97952-76-6
W-100311
5-amino-2-(phenylamino)benzene-1-sulfonic acid
AKOS000668433
4-amino-diphenylamine-2-sulphonic acid
SCHEMBL343582
4-Amino-2-sulfodiphenylamine
4-Amino-2-sulphodiphenylamine

MDL Number

MFCD00035932

Customs Code

2921590090

FAQ

What are the physical and chemical properties of 5-Amino-2-anilinobenzenesulfonic acid (CAS: 91-30-5)?

5-Amino-2-anilinobenzenesulfonic acid (CAS: 91-30-5) is a crystalline solid with a molecular weight of approximately 234.24 g/mol. It is slightly soluble in water and more soluble in organic solvents like ethanol. Chemically, it is a reactive compound, showing basic properties due to the amino group and can participate in various reactions such as coupling reactions and condensation reactions.

How is 5-Amino-2-anilinobenzenesulfonic acid (CAS: 91-30-5) typically synthesized?

5-Amino-2-anilinobenzenesulfonic acid (CAS: 91-30-5) is typically synthesized through a multi-step process. First, aniline and benzenesulfonyl chloride undergo a substitution reaction in the presence of a base like sodium hydroxide. Then, the intermediate product undergoes an amine coupling reaction to form the target compound. The process yields a product with a purity of about 98%, with minor side products.

What industries use 5-Amino-2-anilinobenzenesulfonic acid (CAS: 91-30-5)?

5-Amino-2-anilinobenzenesulfonic acid (CAS: 91-30-5) is used in various industries. It is a key intermediate in the synthesis of dyes and pigments, pharmaceuticals, and as a component in certain analytical reagents. Additionally, it plays a role in the development of sensors and in the production of some semiconductors.

What precautions should be taken when handling 5-Amino-2-anilinobenzenesulfonic acid (CAS: 91-30-5)?

When handling 5-Amino-2-anilinobenzenesulfonic acid (CAS: 91-30-5), it is essential to wear appropriate personal protective equipment (PPE) such as gloves, goggles, and a lab coat. Work in a well-ventilated area or a fume hood to prevent inhalation of fumes. Spills should be cleaned up with appropriate absorbents, and the area should be decontaminated. Always refer to the Safety Data Sheet (SDS) for detailed safety information and emergency procedures.