3-Amino-4-chlorobenzenesulfonic acid

Basic Information

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CAS Number

98-36-2

Molecular Formula

C6H6ClNO3S

Molecular Weight

207.64 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

Agricultural Chemicals Pesticides Herbicides

Basic Physical Properties

Melting Point

300 ºC

Boiling Point

500

Density

1.642

SMILES

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C1=CC(=C(C=C1S(=O)(=O)O)N)Cl

InChI

InChI=1S/C6H6ClNO3S/c7-5-2-1-4(3-6(5)8)12(9,10)11/h1-3H,8H2,(H,9,10,11)

InChIKey

XJQRCFRVWZHIPN-UHFFFAOYSA-N

LogP

1.1688999999999998

Topological Polar Surface Area

80.39 Å²

Hydrogen Bond Donor/Acceptor

3 / 4

Complexity

248

Synonyms & References

English

AS-64111
UNII-4MB9E88J9W
D88512
o-Chloroaniline m-sulfonic acid
NS00040533
Benzenesulfonic acid, 3-amino-4-chloro-
FT-0611658
W-100083
ammonia; benzene; hydrogen sulfite; hydrochloride
4-Chlorometanilic acid
3-Amino-4-chlorobenzenesulphonic acid
1-amino-6-chlorobenzene-3-sulphonic acid
2-Chloroaniline-5-sulfonic acid
AKOS003193910
NSC 59702
3-Amino-4-chloro-benzenesulfonic acid
3-Amino-4-chlorobenzenesulfonic acid
BENZENESULPHONIC ACID, 3-AMINO-4-CHLORO-
FT-0607596
CS-0206125
3-amino-4-chlorobenzenesulfonicacid
EINECS 202-661-2
NSC7538
NSC59702
NSC-59702
SB77446
MFCD00035764
A845849
AC-11815
DTXSID4059170
Metanilic acid, 4-chloro-

MDL Number

MFCD00035764

Customs Code

2921420090

FAQ

What are the physical and chemical properties of 3-Amino-4-chlorobenzenesulfonic acid (CAS: 98-36-2)?

3-Amino-4-chlorobenzenesulfonic acid is a crystalline compound with a molecular weight of approximately 231.63 g/mol. It is sparingly soluble in water and has good solubility in organic solvents. The compound exhibits basic properties due to the amino group and is moderately reactive with electrophiles. It decomposes above 300°C.

How is 3-Amino-4-chlorobenzenesulfonic acid (CAS: 98-36-2) typically synthesized?

3-Amino-4-chlorobenzenesulfonic acid is typically synthesized by the reaction of 4-chlorobenzenesulfonyl chloride with ethylene diamine. The reaction is performed in the presence of a catalyst, such as a Lewis acid, and the product is obtained with good yield and selectivity.

What industries use 3-Amino-4-chlorobenzenesulfonic acid (CAS: 98-36-2)?

3-Amino-4-chlorobenzenesulfonic acid is used in the pharmaceutical industry for the synthesis of various drugs, in the polymer industry for the production of functional polymers, and in the sensor industry for the development of gas sensing devices. It is also employed in semiconductor applications for etching processes.

What precautions should be taken when handling 3-Amino-4-chlorobenzenesulfonic acid (CAS: 98-36-2)?

When handling 3-Amino-4-chlorobenzenesulfonic acid, it is essential to wear appropriate personal protective equipment (PPE), including gloves, goggles, and a lab coat. The compound should be stored in a well-ventilated area away from heat sources and incompatible materials. In case of a spill, it should be cleaned up using appropriate methods, and safety data sheets (SDS) should be consulted for detailed information.