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| CAS No.: | 98-32-8 |
|---|---|
| Name: | 3-Amino-4-hydroxybenzenesulphonamide |
| Molecular Structure: | |
|
|
|
| Formula: | C6H8N2O3S |
| Molecular Weight: | 188.207 |
| Synonyms: | 2-Amino-hydroxybenzene-4-sulphonamide;2Amino Phenol 4Sulphonamide;Metanilamide, 4-hydroxy-;Benzenesulfonamide, 3-amino-4-hydroxy-;3-Amino-4-hydroxybenzenesulfonamide;Metanilamide, 4-hydroxy- (8CI);4-Hydroxymetanilamide;Aminophenol sulfamide;2-Amino Phenol-4-Sulphonamide; |
| EINECS: | 202-657-0 |
| Density: | 1.58 g/cm3 |
| Melting Point: | 199-201 °C |
| Boiling Point: | 454.5 °C at 760 mmHg |
| Flash Point: | 228.7 °C |
| Hazard Symbols: |
 Xi
|
| Risk Codes: | 36/37/38 |
| Safety: | 26-36 |
| PSA: | 114.79000 |
| LogP: | 1.98410 |
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- 99070-23-24-(2-bromoethoxy)-3-methoxybenzaldehyde
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4-hydroxy-3-nitrobenzenesulfonamide
- 98-32-8
3-amino-4-hydroxybenzenesulfonamide
| Conditions | Yield |
|---|---|
| With hydrogenchloride; zinc In ethanol Heating; |
- 98-32-8
3-amino-4-hydroxybenzenesulfonamide
| Conditions | Yield |
|---|---|
| With sodium hydroxide; sodium dithionite | |
| With hydrogenchloride; tin |
| Conditions | Yield |
|---|---|
| With sodium hydroxide In water at 80℃; for 2h; | 97% |
- 40397-98-6
2,5-dimethylphenyl isocyanate
- 98-32-8
3-amino-4-hydroxybenzenesulfonamide
| Conditions | Yield |
|---|---|
| In acetonitrile at 20℃; Inert atmosphere; | 95% |
| Conditions | Yield |
|---|---|
| In tetrahydrofuran at 20℃; for 5h; | 92% |
| In tetrahydrofuran at 0℃; | 66% |
| In tetrahydrofuran at 20℃; for 4h; |
- 119072-55-8, 7188-38-7
tert-butylisonitrile
- 98-32-8
3-amino-4-hydroxybenzenesulfonamide
- 1427468-97-0
3-(tert-butylamino)-2-(tert-butylimino)-2H-benzo[b][1,4]oxazine-6-sulfonamide
| Conditions | Yield |
|---|---|
| With palladium dichloride In 1,4-dioxane at 50℃; for 8h; | 86% |
| Conditions | Yield |
|---|---|
| In acetonitrile at 20℃; Inert atmosphere; | 86% |
- 125329-54-6
hydrochloride of methyl iminoester of β-benzylthiopropionic acid
- 98-32-8
3-amino-4-hydroxybenzenesulfonamide
| Conditions | Yield |
|---|---|
| In ethanol for 4h; Heating; | 85% |
- 119072-55-8, 7188-38-7
tert-butylisonitrile
- 98-32-8
3-amino-4-hydroxybenzenesulfonamide
- 1427468-77-6
2-(tert-butylamino)benzo[d]oxazole-5-sulfonamide
| Conditions | Yield |
|---|---|
| With tetrakis(triphenylphosphine) palladium(0) In 1,4-dioxane at 50℃; for 8h; | 85% |
| Conditions | Yield |
|---|---|
| In acetonitrile at 20℃; Inert atmosphere; | 85% |
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Chemistry
IUPAC Name: 3-amino-4-hydroxybenzenesulfonamide
Empirical Formula: C6H8N2O3S
Molecular Weight: 188.2043g/mol
EINECS: 202-657-0
Structure of 2-Aminophenol-4-sulfonamide (CAS NO.98-32-8):
Index of Refraction: 1.667
Molar Refractivity: 44.33 cm3
Molar Volume: 119 cm3
Polarizability: 17.57×10-24cm3
Surface Tension: 80 dyne/cm
Density: 1.58 g/cm3
Flash Point: 228.7 °C
Enthalpy of Vaporization: 74.15 kJ/mol
Melting Point: 199-201°C
Boiling Point: 454.5 °C at 760 mmHg
Vapour Pressure: 7.02E-09 mmHg at 25°C
Product Categories: Intermediates of Dyes and Pigments;SULFONAMIDE;Benzene derivates
Canonical SMILES: C1=CC(=C(C=C1S(=O)(=O)N)N)O
InChI: InChI=1S/C6H8N2O3S/c7-5-3-4(12(8,10)11)1-2-6(5)9/h1-3,9H,7H2,(H2,8,10,11)
InChIKey: AVQFHKYAVVQYQO-UHFFFAOYSA-N
Uses
2-Aminophenol-4-sulfonamide(98-32-8) is used as reactive dye intermediates.
Safety Profile
Hazard Codes 2-Aminophenol-4-sulfonamide(98-32-8): 
Xi
Risk Statements 2-Aminophenol-4-sulfonamide(98-32-8):
36/37/38: Irritating to eyes, respiratory system and skin
Safety Statements 2-Aminophenol-4-Sulfonamide(98-32-8):
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36: Wear suitable protective clothing
Specification
2-Aminophenol-4-sulfonamide , its cas register number is 98-32-8. It also can be called 3-Amino-4-hydroxybenzenesulfonamide ; Aminophenol sulfamide ; o-Aminophenol-p-sulfonamide .