ChemicalBook >> CAS DataBase List >>2-Aminophenol-4-sulfonic acid
2-Aminophenol-4-sulfonic acid
- CAS No.
- 98-37-3
- Chemical Name:
- 2-Aminophenol-4-sulfonic acid
- Synonyms
- OAPSA;NSC1491;NSC 1491;NSC-1491;2-AMino phenol-4-acid;2-Amino-4-sulfophenol;4-Hydroxymetanilic acid;2-Hydroxymetanilic acid;2-Aminophenol-4-Sulfonic;AMINOPHENOLSULPHONICACID
- CBNumber:
- CB2723842
- Molecular Formula:
- C6H7NO4S
- Molecular Weight:
- 189.19
- MDL Number:
- MFCD00007696
- MOL File:
- 98-37-3.mol
- MSDS File:
- SDS
Last updated:2025-04-03 12:01:51
| Melting point | ≥300 °C(lit.) |
|---|---|
| Boiling point | 398.09℃[at 101 325 Pa] |
| Density | 1.5149 (rough estimate) |
| vapor pressure | 0Pa at 25℃ |
| refractive index | 1.5500 (estimate) |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| pka | -0.81±0.50(Predicted) |
| form | powder to crystal |
| color | Orange to Amber to Dark red |
| Water Solubility | <0.1 g/100 mL at 21.5 ºC |
| BRN | 514765 |
| Stability | Stable. Incompatible with strong oxidizing agents, strong acids and strong bases. |
| LogP | -2.56 at 25℃ |
| CAS DataBase Reference | 98-37-3(CAS DataBase Reference) |
| EWG's Food Scores | |
| FDA UNII | |
| EPA Substance Registry System |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H315-H319 | |||||||||
| Precautionary statements | P302+P352-P305+P351+P338 | |||||||||
| Hazard Codes | C | |||||||||
| Risk Statements | 34 | |||||||||
| Safety Statements | 26-36/37/39-45 | |||||||||
| RIDADR | UN 2585 8/PG 3 | |||||||||
| WGK Germany | 1 | |||||||||
| HS Code | 2922.49.3700 | |||||||||
| HazardClass | 8 | |||||||||
| PackingGroup | III | |||||||||
| NFPA 704 |
|
2-Aminophenol-4-sulfonic acid price More Price(26)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 09180 | 3-Amino-4-hydroxybenzenesulfonic acid technical, ≥95% (T) | 98-37-3 | 250g | $124 | 2024-06-20 | Buy |
| Sigma-Aldrich | 09180 | 3-Amino-4-hydroxybenzenesulfonic acid technical, ≥95% (T) | 98-37-3 | 20g | $26 | 2024-01-07 | Buy |
| TCI Chemical | A0399 | 3-Amino-4-hydroxybenzenesulfonic Acid Hydrate >98.0%(T) | 98-37-3 | 25g | $40 | 2025-03-01 | Buy |
| TCI Chemical | A0399 | 3-Amino-4-hydroxybenzenesulfonic Acid Hydrate >98.0%(T) | 98-37-3 | 500g | $223 | 2025-03-01 | Buy |
| TRC | A612510 | 3-Amino-4-hydroxybenzenesulfonic acid | 98-37-3 | 50g | $120 | 2022-12-16 | Buy |
2-Aminophenol-4-sulfonic acid Chemical Properties,Uses,Production
Chemical Properties
brown crystalsUses
3-Amino-4-hydroxybenzenesulfonic acid can be used to synthesize various heterocyclic Schiff bases for imaging applications. 3-Amino-4-hydroxybenzenesulfonic acid can also be used for comparative assessment in the Tetrahymena pyriformis growth inhibition assay.Production Methods
2-Aminophenol-4-sulfonic acid is obtained by boiling 4-chloro-3- nitrobenzenesulfonic acid with sodium hydroxide solution, followed by Béchamp reduction.
General Description
Rhombic brown crystals.Air & Water Reactions
2-Aminophenol-4-sulfonic acid may be sensitive to prolonged exposure to air. Insoluble in water.Reactivity Profile
2-Aminophenol-4-sulfonic acid may react with strong oxidizers and mineral acids or bases.Fire Hazard
Flash point data for 2-Aminophenol-4-sulfonic acid is not available, however 2-Aminophenol-4-sulfonic acid is probably combustible.
2-Aminophenol-4-sulfonic acid Preparation Products And Raw materials
Raw materials
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Preparation Products
trisodium [mu-[2-[[1-hydroxy-6-[[[[5-hydroxy-6-[(2-hydroxy-5-sulphophenyl)azo]-7-sulpho-2-naphthyl]amino]carbonyl]amino]-3-sulpho-2-naphthyl]azo]benzoato(7-)]]dicuprate(3-)
trisodium [2-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-5-hydroxy-6-[(2-hydroxy-5-sulphophenyl)azo]naphthalene-1,7-disulphonato(5-)]cuprate(3-)
Direct Blend Rubine D-BLL
Reactive Violet 2
Solvent Yellow 21
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Global( 353)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Henan Fengda Chemical Co., Ltd | +86-371-86557731 +86-13613820652 | info@fdachem.com | China | 5911 | 58 |
| Shanghai Daken Advanced Materials Co.,Ltd | +86-371-66670886 | info@dakenam.com | China | 14934 | 58 |
| Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 | info@tianfuchem.com | China | 21698 | 55 |
| Hubei Jusheng Technology Co.,Ltd. | 18871490254 | linda@hubeijusheng.com | CHINA | 28180 | 58 |
| Jinan Finer Chemical Co., Ltd | +86-531-88989536 +86-15508631887 | sales@finerchem.com | China | 2966 | 58 |
| Hebei Guanlang Biotechnology Co., Ltd. | +86-19930503282 | alice@crovellbio.com | China | 8823 | 58 |
| Hubei xin bonus chemical co. LTD | 86-13657291602 | linda@hubeijusheng.com | CHINA | 22968 | 58 |
| CONIER CHEM AND PHARMA LIMITED | +8618523575427 | sales@conier.com | China | 47465 | 58 |
| Shaanxi Dideu Medichem Co. Ltd | +86-29-87569266 15319487004 | 1015@dideu.com | China | 2263 | 58 |
| TargetMol Chemicals Inc. | +1-781-999-5354 +1-00000000000 | marketing@targetmol.com | United States | 19892 | 58 |
View Lastest Price from 2-Aminophenol-4-sulfonic acid manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2025-04-05 | 2-Aminophenol-4-sulfonic acid
98-37-3
|
US $8.00-3.00 / KG | 1KG | 99% | g-kg-tons, free sample is available | Henan Fengda Chemical Co., Ltd | |
 |
2024-03-09 | 2-Aminophenol-4-sulfonic acid
98-37-3
|
US $0.00-0.00 / KG | 1KG | 99% | 20 mt | Hebei Guanlang Biotechnology Co., Ltd. | |
 |
2023-08-30 | 2-Aminophenol-4-sulfonic acid
98-37-3
|
US $1.10 / g | 1g | 99.00% | 100 Tons Min | Dideu Industries Group Limited |
-
- 2-Aminophenol-4-sulfonic acid
98-37-3
- US $8.00-3.00 / KG
- 99%
- Henan Fengda Chemical Co., Ltd
-
- 2-Aminophenol-4-sulfonic acid
98-37-3
- US $0.00-0.00 / KG
- 99%
- Hebei Guanlang Biotechnology Co., Ltd.
-
- 2-Aminophenol-4-sulfonic acid
98-37-3
- US $1.10 / g
- 99.00%
- Dideu Industries Group Limited
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3-Amino-4-hydroxybenzenesulfonic Acid Hydrate>
2-Aminophenol-4-sulfonic acid ISO 9001：2015 REACH
NSC 1491
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2 Ortho Amino Phenol 4 Sulphonic Acid(OAPSA)
ORTHO AMINO PHENOL 4 SULPHONIC ACID
3-Amino-4-hydroxybenzenesulfonic
98-37-3
C6H7NO42H2O
H2NC6H3OHSO3H
H2NC6H3OHSO3HxH2O
C6H7NO4SxH2O
C6H3OHNH2SO3H
C12H16N2O9S2
2C6H7NO4SH2O
C6H7NO4SH2O
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