2-Aminophenol-4-sulfonic acid CAS#: 98-37-3

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
Dye Intermediate
Organic Building Blocks
Sulfonic/Sulfinic Acids
Sulfur Compounds
Intermediates of Dyes and Pigments
bc0001

Mol File:

98-37-3.mol

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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
form: powder to crystal
pka: -0.81±0.50(Predicted)
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)
EPA Substance Registry System: 4-Hydroxymetanilic acid (98-37-3)

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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

Language:English Provider:2-Aminophenol-4-sulfonic acid
Language:English Provider:SigmaAldrich

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2-Aminophenol-4-sulfonic acid Usage And Synthesis

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.

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

Phosphorous acid Zinc oxide 2-Nitrophenol

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-Aminophenol-4-sulfonic acidSupplier

Shanghai Kangtuo Chemical Co., Ltd. Gold

Tel: 021-69185552 13701777608
Email: kangtuochem@163.com

J & K SCIENTIFIC LTD.

Tel: 010-82848833 400-666-7788
Email: jkinfo@jkchemical.com

future industrial shanghai co., ltd

Tel: 400-0066400 13621662912
Email: sales@jonln.com

TCI (Shanghai) Development Co., Ltd.

Tel: 021-67121386
Email: Sales-CN@TCIchemicals.com

Energy Chemical

Tel: 021-021-58432009 400-005-6266
Email: sales8178@energy-chemical.com

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