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| CAS No.: | 98-36-2 |
|---|---|
| Name: | 3-Amino-4-chlorobenzenesulfonic acid |
| Molecular Structure: | |
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| Formula: | C6H6ClNO3S |
| Molecular Weight: | 207.638 |
| Synonyms: | Metanilicacid, 4-chloro- (6CI,7CI,8CI);2-Chloroaniline-5-sulfonic acid;4-Chlorometanilic acid;NSC 59702;NSC7538; |
| EINECS: | 202-661-2 |
| Density: | 1.642 g/cm3 |
| Melting Point: | 300 °C |
| Boiling Point: | 500oC |
| Appearance: | Pinkish fine crystalline powder solid. |
| Hazard Symbols: |
Xi
|
| Risk Codes: | 36/37/38 |
| Safety: | 37/39-26 |
| PSA: | 88.77000 |
| LogP: | 2.83090 |


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

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

| 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% |


4-Sulfamoyl-benzenediazonium


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

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

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

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


3-amino-4-chloro-benzenesulfonyl chloride

| Conditions | Yield |
|---|---|
| With chlorosulphuric acid | |
| With chlorosulphuric acid |

| Conditions | Yield |
|---|---|
| Diazotization.Reduktion der Diazoverbindung; |

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


2-Chloro-5-sulfo-benzenediazonium; chloride

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