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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
Molecular Weight:
189.19
MDL Number:
MFCD00007696
MOL File:
98-37-3.mol
MSDS File:
SDS
Last updated:2024-12-18 14:08:52

2-Aminophenol-4-sulfonic acid 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 Reference 98-37-3(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII 4WE7CX7RD5
EPA Substance Registry System 4-Hydroxymetanilic acid (98-37-3)

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS07
Signal word  Warning
Hazard statements  H315-H319
Precautionary statements  P302+P352-P305+P351+P338
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
NFPA 704
0
3 0

2-Aminophenol-4-sulfonic acid price More Price(26)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 09180 3-Amino-4-hydroxybenzenesulfonic acid technical, ≥95% (T) 98-37-3 250g $124 2023-06-20 Buy
Sigma-Aldrich 09180 3-Amino-4-hydroxybenzenesulfonic acid technical, ≥95% (T) 98-37-3 20g $26 2023-01-07 Buy
TCI Chemical A0399 3-Amino-4-hydroxybenzenesulfonic Acid Hydrate >98.0%(T) 98-37-3 25g $40 2024-03-01 Buy
TCI Chemical A0399 3-Amino-4-hydroxybenzenesulfonic Acid Hydrate >98.0%(T) 98-37-3 500g $223 2024-03-01 Buy
TRC A612510 3-Amino-4-hydroxybenzenesulfonic acid 98-37-3 50g $120 2021-12-16 Buy
Product number Packaging Price Buy
09180 250g $124 Buy
09180 20g $26 Buy
A0399 25g $40 Buy
A0399 500g $223 Buy
A612510 50g $120 Buy

2-Aminophenol-4-sulfonic acid Chemical Properties,Uses,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.

95-55-6
98-37-3
Synthesis of 2-Aminophenol-4-sulfonic acid from 2-Aminophenol
Global( 365)Suppliers
Supplier Tel Email Country ProdList Advantage
Hebei Weibang Biotechnology Co., Ltd
+8615531157085 abby@weibangbio.com China 8810 58
Henan Fengda Chemical Co., Ltd
+86-371-86557731 +86-13613820652 info@fdachem.com China 20284 58
Shanghai Daken Advanced Materials Co.,Ltd
+86-371-66670886 info@dakenam.com China 18751 58
Henan Tianfu Chemical Co.,Ltd.
+86-0371-55170693 +86-19937530512 info@tianfuchem.com China 21634 55
Hubei Jusheng Technology Co.,Ltd.
18871490254 linda@hubeijusheng.com CHINA 28172 58
Jinan Finer Chemical Co., Ltd
+86-531-88989536 +86-15508631887 sales@finerchem.com China 2961 58
Hubei xin bonus chemical co. LTD
86-13657291602 linda@hubeijusheng.com CHINA 22963 58
CONIER CHEM AND PHARMA LIMITED
+8618523575427 sales@conier.com China 49374 58
TargetMol Chemicals Inc.
+1-781-999-5354 +1-00000000000 marketing@targetmol.com United States 32161 58
Career Henan Chemica Co
+86-0371-86658258 +8613203830695 laboratory@coreychem.com China 30239 58

View Lastest Price from 2-Aminophenol-4-sulfonic acid manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
2-Aminophenol-4-sulfonic acid pictures 2024-11-22 2-Aminophenol-4-sulfonic acid
98-37-3
US $0.00-0.00 / KG 1KG 99% 20 mt Hebei Weibang Biotechnology Co., Ltd
	2-Aminophenol-4-sulfonic acid pictures 2024-04-05 2-Aminophenol-4-sulfonic acid
98-37-3
US $8.00-3.00 / KG 1KG 99% g-kg-tons, free sample is available Henan Fengda Chemical Co., Ltd
2-Aminophenol-4-sulfonic acid  pictures 2022-08-30 2-Aminophenol-4-sulfonic acid
98-37-3
US $1.10 / g 1g 99.00% 100 Tons Min Dideu Industries Group Limited
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 2-AMINOPHENOL-4-SULFONIC ACID 2-AMINOPHENOL-4-SULFONIC ACID HYDRATE 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 3-amino-4-hydroxybenzenesulphonic acid BENZENESULFONIC ACID,3-AMINO,4-HYDROXY 2-AMINO,4-SULFOPHENOL Metanilic acid, 4-hydroxy- Metanilic acid, 4-hydroxy- (8CI) O-AMINOPHENOL-P-SULFONIC ACID OAPSA ORTHO AMINO PHENOL 4-SULFONIC ACID 3-amino-4-hydroxy-benzenesulfonicaci AMINOPHENOLSULPHONICACID 3-Amino-4-hydroxybenzolsulfonsure 2-Aminophenol-1-sulfonicacid 2-Hydroxy-5-sulfoaniline 2-Hydroxymetanilic acid 3-azanyl-4-hydroxy-benzenesulfonic acid 2-AMino phenol-4-acid 2-Aminophenol-4-sulfonic Acid 4-Hydroxymetanilic Acid 3-Amino-4-hydroxybenzenesulfonic acid technical, >=95% (T) 2-Amino-4-sulfophenol 2-amino-9-[(2R,4S,5R)-4-fluoro-5-(hydroxymethyl)-2-oxolanyl]-3H-purin-6-one 3-Amino-4-hydroxybenzenesulfonic Acid Hydrate> 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