2-AMINOPHENOL-4-SULFONYL AMIDE
3-amino-4-hydroxybenzenesulfonamide
CAS: 98-32-8
Molecular Formula: C6H8N2O3S
2-AMINOPHENOL-4-SULFONYL AMIDE - Names and Identifiers
| Name | 3-amino-4-hydroxybenzenesulfonamide |
| Synonyms | 2-Aminophenol-4-sulfamide 2-AMINOPHENOL-4-SULFOAMINE 2-AMINOPHENOL-4-SULFONAMIDE 2-Aminophenlo-4-sulfonamide 2-AMINOPHENOL-4-SULFONYL AMIDE 2-Amino-1-phenol-4-sulfonylamdie 3-amino-4-hydroxybenzenesulfonamide 3-AMINO-4-HYDROXYBENZENESULFONAMIDE 3-amino-4-hydroxybenzenesulphonamide |
| CAS | 98-32-8 |
| EINECS | 202-657-0 |
| InChI | InChI=1/C6H8N2O3S/c7-5-3-4(12(8,10)11)1-2-6(5)9/h1-3,9H,7H2,(H2,8,10,11) |
2-AMINOPHENOL-4-SULFONYL AMIDE - Physico-chemical Properties
| Molecular Formula | C6H8N2O3S |
| Molar Mass | 188.20 |
| Melting Point | 199-201℃ |
| Boling Point | 454.5±55.0 °C(Predicted) |
| Appearance | White-like crystal |
| Storage Condition | Room Temprature |
| MDL | MFCD00035782 |
| Physical and Chemical Properties | Traits gray-white or light brown feather-like crystals. melting point 195 ℃ solubility slightly soluble in water, soluble in acid and alkali. |
| Use | Used as a reactive dye intermediate |
2-AMINOPHENOL-4-SULFONYL AMIDE - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
2-AMINOPHENOL-4-SULFONYL AMIDE - Upstream Downstream Industry
2-AMINOPHENOL-4-SULFONYL AMIDE - Nature
Open Data Verified Data
gray-white or light-brown feather-like crystals. The melting point was above 195 °c. Slightly soluble in water, soluble in acid and alkali, placed in the air gradually darkened color.
Last Update：2025-06-10 22:55:16
2-AMINOPHENOL-4-SULFONYL AMIDE - Preparation Method
Open Data Verified Data
O-nitrochlorobenzene is chlorosulfonated with chlorosulfonic acid to give 4-chlorosulfonyl-2-nitrochlorobenzene, and then aminated to give 4-sulfonamido-2-nitrochlorobenzene, then, the sodium salt of 4-sulfonamido-2-nitrophenol is hydrolyzed into 4-sulfonamido-2-nitrophenol, acidified with hydrochloric acid, and reduced in the presence of iron powder to obtain a finished product.
Last Update：2022-01-01 10:55:52
2-AMINOPHENOL-4-SULFONYL AMIDE - Application
Open Data Verified Data
The diazo component used as a neutral dye.
Last Update：2025-08-19 16:24:40
2-AMINOPHENOL-4-SULFONYL AMIDE - Safety
Open Data Verified Data
- This product belongs to sulfonamides, toxic. Oral administration can cause loss of appetite, Nausea, Vomit, Diarrhea and other side effects, can cause adverse effects on the liver, kidney and so on. Operators should wear protective equipment, equipment should be sealed.
- the use of lined plastic bags, external use of wood or paper drum packaging. 50kg per barrel. According to the provisions of toxic substances storage and transportation.
Last Update：2025-06-10 22:55:16
2-AMINOPHENOL-4-SULFONYL AMIDE - Nature
| melting point | 199-201°C |
| boiling point | 454.5±55.0 °C(Predicted) |
| density | 1.580±0.06 g/cm3(Predicted) |
| storage conditions | Keep in dark place,Inert atmosphere,Room temperature |
| acidity coefficient (pKa) | 7? -. 0.20(Predicted) |
| EPA chemical information | Benzenesulfonamide, 3-amino-4-hydroxy- (98-32-8) |
Last Update：2024-04-10 22:29:15
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View History
Raw Materials for 2-AMINOPHENOL-4-SULFONYL AMIDE
Downstream Products for 2-AMINOPHENOL-4-SULFONYL AMIDE
Acid Yellow 116
Acid Yellow 128
Acid Red 213
ACID RED 182
hydrogen bis[N-[7-hydroxy-8-[[2-hydroxy-5-sulphamoylphenyl]azo]-1-naphthyl]acetamidato(2-)]chromate(1-)
Acid violet 68
Acid orange 87
Acid Yellow 128
Acid Red 213
ACID RED 182
hydrogen bis[N-[7-hydroxy-8-[[2-hydroxy-5-sulphamoylphenyl]azo]-1-naphthyl]acetamidato(2-)]chromate(1-)
Acid violet 68
Acid orange 87