ChemicalBook Product Catalog Organic Chemistry Amides Sulfonic acids amino compound 2-Aminophenol-4-sulfonic acid

2-Aminophenol-4-sulfonic acid

2-Aminophenol-4-sulfonic acid Basic information
Product Name:2-Aminophenol-4-sulfonic acid
Synonyms:3-amino-4-hydroxybenzenesulfonic acid semihydrate;4-Hydroxy-3-aminobenzenesulfonic acid;Benzenesulfonicacid,3-amino-4-hydroxy-;3-AMINO-4-HYDROXYBENZENESULFONIC ACID;3-AMINO-4-HYDROXYBENZENESULFONIC ACID HYDRATE;3-AMINO-4-HYDROXYBENZENE-4-SULFONIC ACID HYDRATE;4-HYDROXYMETANILIC ACID HYDRATE;2 AMINO-1-PHENOL-4-SULFONIC ACID
CAS:98-37-3
MF:C6H7NO4S
MW:189.19
EINECS:202-662-8
Product Categories:Building Blocks;Chemical Synthesis;Organic Building Blocks;Sulfonic/Sulfinic Acids;Sulfur Compounds;Dye Intermediate;Intermediates of Dyes and Pigments;bc0001
Mol File:98-37-3.mol
2-Aminophenol-4-sulfonic acid Structure
2-Aminophenol-4-sulfonic acid Chemical Properties
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 Reference98-37-3(CAS DataBase Reference)
EPA Substance Registry System4-Hydroxymetanilic acid (98-37-3)
Safety Information
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
MSDS Information
ProviderLanguage
2-Aminophenol-4-sulfonic acid English
SigmaAldrich English
2-Aminophenol-4-sulfonic acid Usage And Synthesis
Chemical Propertiesbrown crystals
Uses3-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.
General DescriptionRhombic brown crystals.
Air & Water Reactions2-Aminophenol-4-sulfonic acid may be sensitive to prolonged exposure to air. Insoluble in water.
Reactivity Profile2-Aminophenol-4-sulfonic acid may react with strong oxidizers and mineral acids or bases.
Fire HazardFlash point data for 2-Aminophenol-4-sulfonic acid is not available, however 2-Aminophenol-4-sulfonic acid is probably combustible.
ACID ALIZARIN VIOLET N THIAZINE RED 6-NITRO-2-AMINOPHENOL-4-SULFONIC ACID 5-SULFO-4'-DIETHYLAMINO-2,2'-DIHYDROXYAZOBENZENE 2-Aminophenol-4-sulfonic acid Phenol sulphonic acid,liquid Sodium 2-hydroxybenzenesulfonate 2-Anisidine-4-sulfonic acid PHENOLDISULFONIC ACID ZINCON 4-Amino-benzenesulfonic acid monosodium salt 6-ACETAMIDO-2-AMINOPHENOL-4-SULFONIC ACID,6-ACETYLAMINO-2AMINOPHENOL-4-SULFONIC ACID SULFONIC ACID 5-amino-4-methoxy-2-nitrobenzenesulfonic acid ACID RED 4 SNAZOXS 2-NAPHTHOL-3,6-DISULFONIC ACID 2-NITROSO-1-NAPHTHOL-4-SULFONIC ACID
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