| Identification | More | [Name]
2-Aminophenol-4-sulfonic acid | [CAS]
98-37-3 | [Synonyms]
2 AMINO-1-PHENOL-4-SULFONIC ACID
2-AMINOPHENOL-4-SULFONIC ACID
2-AMINOPHENOL-4-SULFONIC ACID HYDRATE
2-AMINOPHENOL-4-SULPHONIC ACID
3-AMINO-4-HYDROXYBENZENE-4-SULFONIC ACID HYDRATE
3-AMINO-4-HYDROXYBENZENESULFONIC ACID
3-AMINO-4-HYDROXYBENZENESULFONIC ACID HYDRATE
4-HYDROXYMETANILIC ACID HYDRATE
O-AMINOPHENOL-P-SULFONIC ACID
OAPSA
ORTHO AMINO PHENOL 4-SULFONIC ACID
2-Aminophenol-1-sulfonicacid
3-amino-4-hydroxy-benzenesulfonicaci
Benzenesulfonicacid,3-amino-4-hydroxy-
3-amino-4-hydroxybenzenesulphonic acid
ORTHO AMINO PHENOL SULPHONIC ACID
2-AMINO-1-PHENOL-4-SULPHONIC ACID
3-AMINO-4-HYDROXYBENZENESULFONIC ACID HY
2-Amino-1-hydroxybenzene-4-sulfonicacid
O-AMINOPHENOL-4-SULFONIC ACID | [EINECS(EC#)]
202-662-8 | [Molecular Formula]
C6H7NO4S | [MDL Number]
MFCD00149553 | [Molecular Weight]
189.19 | [MOL File]
98-37-3.mol |
| Chemical Properties | Back Directory | [Appearance]
brown crystals | [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 | [form ]
powder to crystal | [pka]
-0.81±0.50(Predicted) | [color ]
Orange to Amber to Dark red | [Stability:]
Stable. Incompatible with strong oxidizing agents, strong acids and strong bases. | [Water Solubility ]
<0.1 g/100 mL at 21.5 ºC | [BRN ]
514765 | [LogP]
-2.56 at 25℃ | [CAS DataBase Reference]
98-37-3(CAS DataBase Reference) | [EPA Substance Registry System]
98-37-3(EPA Substance) |
| Safety Data | Back Directory | [Hazard Codes ]
C | [Risk Statements ]
R34:Causes burns. | [Safety Statements ]
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) . | [RIDADR ]
UN 2585 8/PG 3
| [WGK Germany ]
1
| [HS Code ]
2922.49.3700 | [HazardClass ]
8 | [PackingGroup ]
III |
| Hazard Information | Back Directory | [General Description]
Rhombic brown crystals. | [Reactivity Profile]
2-AMINOPHENOL-4-SULFONIC ACID(98-37-3) may react with strong oxidizers and mineral acids or bases. | [Air & Water Reactions]
2-AMINOPHENOL-4-SULFONIC ACID may be sensitive to prolonged exposure to air. Insoluble in water. | [Fire Hazard]
Flash point data for this chemical is not available, however 2-AMINOPHENOL-4-SULFONIC ACID is probably combustible. | [Chemical Properties]
brown crystals | [Uses]
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.
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