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2-Aminophenol-4-sulfonic acid

Product Name
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
Formula Weight
189.19
MOL File
98-37-3.mol
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2-Aminophenol-4-sulfonic acid Property

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)
EPA Substance Registry System
4-Hydroxymetanilic acid (98-37-3)
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Safety

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
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
09180
Product name
3-Amino-4-hydroxybenzenesulfonic acid
Purity
technical, ≥95% (T)
Packaging
250g
Price
$124
Updated
2023/06/20
Sigma-Aldrich
Product number
09180
Product name
3-Amino-4-hydroxybenzenesulfonic acid
Purity
technical, ≥95% (T)
Packaging
20g
Price
$26
Updated
2023/01/07
TCI Chemical
Product number
A0399
Product name
3-Amino-4-hydroxybenzenesulfonic Acid Hydrate
Purity
>98.0%(T)
Packaging
25g
Price
$40
Updated
2024/03/01
TCI Chemical
Product number
A0399
Product name
3-Amino-4-hydroxybenzenesulfonic Acid Hydrate
Purity
>98.0%(T)
Packaging
500g
Price
$223
Updated
2024/03/01
TRC
Product number
A612510
Product name
3-Amino-4-hydroxybenzenesulfonic acid
Packaging
50g
Price
$120
Updated
2021/12/16
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2-Aminophenol-4-sulfonic acid Chemical Properties,Usage,Production

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

Zinc oxide Phosphoric acid 2-Nitrophenol

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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2-Aminophenol-4-sulfonic acid Suppliers

Americas 1 Canada 1 China 229 Czech Republic 1 Europe 4 France 1 Germany 3 India 71 Indonesia 1 Japan 4 Singapore 1 Slovakia 1 South Africa 1 South Korea 1 Switzerland 1 The Netherlands 1 Ukraine 1 United Kingdom 9 United States 33 Global 365
Ring Specialty Chemicals Inc.
Tel
+1 416 493 6870
Fax
+1 416 499 9759
Email
info@ringchemicals.com
Country
Canada
ProdList
468
Advantage
58
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View Lastest Price from 2-Aminophenol-4-sulfonic acid manufacturers

Hebei Weibang Biotechnology Co., Ltd
Product
2-Aminophenol-4-sulfonic acid 98-37-3
Price
US $0.00-0.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
20 mt
Release date
2024-11-22
Henan Fengda Chemical Co., Ltd
Product
2-Aminophenol-4-sulfonic acid 98-37-3
Price
US $8.00-3.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
g-kg-tons, free sample is available
Release date
2024-04-03
Shaanxi Dideu Medichem Co. Ltd
Product
3-Amino-4-hydroxybenzenesulfonic acid 98-37-3
Price
US $0.00-0.00/KG
Min. Order
1KG
Purity
99.0%+
Supply Ability
100 tons
Release date
2019-12-30

98-37-3, 2-Aminophenol-4-sulfonic acidRelated Search:

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  • 2-AMINOPHENOL-4-SULPHONIC ACID
  • 3-AMINO-4-HYDROXYBENZENESULFONIC ACID HY
  • 2-Amino-1-hydroxybenzene-4-sulfonicacid
  • O-AMINOPHENOL-4-SULFONIC ACID
  • 2-Amino-4-phenolsulfonic acid
  • 4-Hydroxymetanilic acid
  • 2-Aminophenol-4-Sulfonic
  • 3-Amino-4-hydroxybenzenesulfon
  • 3-amino-4-hydroxybenzene-4-sulfonic acid
  • 2-AMINO-1-PHENOL-4-SULPHONIC ACID
  • ORTHO AMINO PHENOL SULPHONIC ACID
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  • Metanilic acid, 4-hydroxy-
  • Metanilic acid, 4-hydroxy- (8CI)
  • O-AMINOPHENOL-P-SULFONIC ACID
  • OAPSA
  • ORTHO AMINO PHENOL 4-SULFONIC ACID
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  • 2-Hydroxy-5-sulfoaniline
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  • 3-Amino-4-hydroxybenzenesulfonic Acid Hydrate&gt
  • 2-Aminophenol-4-sulfonic acid ISO 9001：2015 REACH
  • NSC 1491
  • NSC1491
  • NSC-1491
  • 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
  • Organic Building Blocks