• Name

  3-Amino-4-chlorobenzenesulfonic acid

• EINECS 202-661-2
• CAS No. 98-36-2
• Article Data7
• CAS DataBase
• Density 1.642 g/cm³
• Solubility
• Melting Point 300 °C
• Formula C₆H₆ClNO₃S
• Boiling Point 500oC
• Molecular Weight 207.638
• Flash Point
• Transport Information
• Appearance Pinkish fine crystalline powder solid.
• Safety 37/39-26
• Risk Codes 36/37/38
• Molecular Structure
• Hazard Symbols Xi
• Synonyms Metanilicacid, 4-chloro- (6CI,7CI,8CI);2-Chloroaniline-5-sulfonic acid;4-Chlorometanilic acid;NSC 59702;NSC7538;
• PSA 88.77000
• LogP 2.83090

Synthetic route

barium salt of/the/ 4-chloro-3-nitro-benzene-sulfonic acid-(1)

barium salt of/the/ 4-chloro-3-nitro-benzene-sulfonic acid-(1)

98-36-2

1-amino-2-chlorobenzene-5-sulphonic acid

Conditions

Conditions	Yield
With iron(II) sulfate man versetzt darauf mit Aetzbaryt;

66-71-7

1,10-Phenanthroline

98-36-2

1-amino-2-chlorobenzene-5-sulphonic acid

7732-18-5

water

zinc(II) oxide

[zinc(phenanthroline)2(4-chloro-3-aminobenzene sulfonate)2] dihydrate

Conditions

Conditions	Yield
In ethanol; water Cl(NH2)C6H3SO3H (10.0 mmol) added to suspn. oa ZnO (5.0 mmol) (H2O) withstirring, then soln. of N2C12H8 (10.0 mmol) (EtOH) added, heated at 80. degree.C for 15 min; filtered, crystd. for several d; elem. anal.;	73%

...Expand

14289-29-3

4-Sulfamoyl-benzenediazonium

98-36-2

1-amino-2-chlorobenzene-5-sulphonic acid

5-amino-4-chloro-2-(4-sulfamoyl-phenylazo)-benzenesulfonic acid

98-36-2

1-amino-2-chlorobenzene-5-sulphonic acid

4-chloro-3-(3-methyl-5-oxo-2,5-dihydro-pyrazol-1-yl)-benzenesulfonic acid amide

Conditions

Conditions	Yield
Ueberfuehrung in das entsprechende Hydrazin; Behandeln mit Acetessigester und Erwaermen mit Natronlauge;

98-36-2

1-amino-2-chlorobenzene-5-sulphonic acid

62720-56-3

3-amino-4-chloro-benzenesulfonyl chloride

Conditions

Conditions	Yield
With chlorosulphuric acid
With chlorosulphuric acid

98-36-2

1-amino-2-chlorobenzene-5-sulphonic acid

98-39-5

4-chloro-3-hydrazino-benzenesulfonic acid

Conditions

Conditions	Yield
Diazotization.Reduktion der Diazoverbindung;

98-36-2

1-amino-2-chlorobenzene-5-sulphonic acid

24569-40-2

2-Chloro-5-sulfo-benzenediazonium; chloride

Conditions

Conditions	Yield
With hydrogenchloride; sodium nitrite In water at 0 - 5℃;