ChemicalBook--->CAS DataBase List--->98-37-3

98-37-3

98-37-3 Structure

98-37-3 Structure
IdentificationMore
[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 PropertiesBack 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
[InChI]

1S/C6H7NO4S/c7-5-3-4(12(9,10)11)1-2-6(5)8/h1-3,8H,7H2,(H,9,10,11)
[InChIKey]

ULUIMLJNTCECJU-UHFFFAOYSA-N
[SMILES]

Nc1cc(ccc1O)S(O)(=O)=O
[LogP]

-2.56 at 25℃
[CAS DataBase Reference]

98-37-3(CAS DataBase Reference)
[EPA Substance Registry System]

98-37-3(EPA Substance)
Safety DataBack Directory
[Symbol(GHS) ]

Exclamation Mark (GHS07)
GHS07
[Signal word ]

Warning
[Hazard statements ]

H315-H319
[Precautionary statements ]

P302+P352-P305+P351+P338
[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
[TSCA ]

TSCA listed
[HS Code ]

2922.49.3700
[REACH Registrations]

Active
[HazardClass ]

8
[PackingGroup ]

III
[Storage Class]

8A - Combustible corrosive hazardous materials
[Hazard Classifications]

Eye Irrit. 2
Skin Irrit. 2
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Phosphoric acid-->Zinc oxide-->2-Nitrophenol-->4-hydroxy-3-nitrobenzenesulphonic acid-->4-Chloro-3-nitrobenzenesulfonic acid-->Sulfuric acid-->2-Aminophenol
[Preparation Products]

Solvent Yellow 21-->Reactive Violet 2-->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-)-->Direct Blend Rubine D-BLL-->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-)-->2-Amino-6-nitro-1-phenol-4-sulfonic acid-->REACTIVE VIOLET 2-->Acid alizarin violet N-->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-)-->Mordant Orange 37-->DIRECT RED 243-->Acid chrome blue K-->trisodium [7-[[4-[[4-[[4-[[2,4-dihydroxy-5-[(2-hydroxy-5-sulphophenyl)azo]phenyl]azo]benzoyl]amino]-o-tolyl]azo]-o-tolyl]azo]naphthalene-1,3-disulphonato(5-)]cuprate(3-)-->DIRECT BROWN 95-->Reactive Blue 104
Hazard InformationBack 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.
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

2-Aminophenol-4-sulfonic acid(98-37-3).msds
Spectrum DetailBack Directory
[Spectrum Detail]

2-Aminophenol-4-sulfonic acid(98-37-3)MS
2-Aminophenol-4-sulfonic acid(98-37-3)1HNMR
2-Aminophenol-4-sulfonic acid(98-37-3)IR1
2-Aminophenol-4-sulfonic acid(98-37-3)IR2
Well-known Reagent Company Product InformationBack Directory
[Sigma Aldrich]

98-37-3(sigmaaldrich)
[TCI AMERICA]

2-Aminophenol-4-sulfonic Acid  Hydrate,>98.0%(T)(98-37-3)
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