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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

MOL File:: 98-37-3.mol

MSDS File:: SDS

Modify Date:: 2025/1/27 9:38:02

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

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H315-H319

Precautionary statements

P302+P352-P305+P351+P338

Hazard Codes

Risk Statements

Safety Statements

26-36/37/39-45

RIDADR

UN 2585 8/PG 3

WGK Germany

HS Code

2922.49.3700

HazardClass

PackingGroup

III

NFPA 704

	0
3		0

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

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich(India)	09180	3-Amino-4-hydroxybenzenesulfonic acid technical, ≥95% (T)	98-37-3	20G	₹2208.3	2022-06-14	Buy
Sigma-Aldrich(India)	09180	3-Amino-4-hydroxybenzenesulfonic acid technical, ≥95% (T)	98-37-3	250G	₹4903.73	2022-06-14	Buy
TCI Chemicals (India)	A0399	3-Amino-4-hydroxybenzenesulfonic Acid Hydrate	98-37-3	25G	₹1600	2022-05-26	Buy
TCI Chemicals (India)	A0399	3-Amino-4-hydroxybenzenesulfonic Acid Hydrate	98-37-3	500G	₹8900	2022-05-26	Buy

Product number	Packaging	Price	Buy
09180	20G	₹2208.3	Buy
09180	250G	₹4903.73	Buy
A0399	25G	₹1600	Buy
A0399	500G	₹8900	Buy

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

Chemical Properties

brown crystals

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 4-hydroxy-3-nitrobenzenesulphonic acid 4-Chloro-3-nitrobenzenesulfonic acid

Sulfuric acid 2-Aminophenol

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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

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

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2-Aminophenol-4-sulfonic acid Suppliers

Global( 366)Suppliers

Supplier	Tel	Country	ProdList	Advantage	Inquiry
GLR Innovations	+91 9891111994	New Delhi, India	4535	58	Inquiry
MaheshRaj Chemicals Pvt Ltd	+91 7926870597	Gujarat, India	96	58	Inquiry
CNS CHEMICALS	+91-9381957258 +91-9381957258	Telangana, India	354	58	Inquiry
Aarti Industries Limited (AIL)	+91-84596144931 +91-9920899935	Maharashtra, India	235	58	Inquiry
Jagson Colorchem Limited	+91-9879484214 +91-9879484214	Gujarat, India	318	58	Inquiry
Universal Aromatic	+91-9227443381 +91-9227443381	Gujarat, India	10	58	Inquiry
Lion Color	+91-7878052742 +91-7878052742	Gujarat, India	25	58	Inquiry
Dhanlaxmi Industries	+91-9825034098 +91-9825033738	Gujarat, India	40	58	Inquiry
Bodal Chemicals Ltd	+91-9909950857 +91-9825034567	Gujarat, India	132	58	Inquiry
Gopinath Chemtech Limited	+91-7926582412 +91-7926582412	Gujarat, India	79	58	Inquiry

Supplier	Advantage
GLR Innovations	58
MaheshRaj Chemicals Pvt Ltd	58
CNS CHEMICALS	58
Aarti Industries Limited (AIL)	58
Jagson Colorchem Limited	58
Universal Aromatic	58
Lion Color	58
Dhanlaxmi Industries	58
Bodal Chemicals Ltd	58
Gopinath Chemtech Limited	58

2-Aminophenol-4-sulfonic acid Spectrum

2-Aminophenol-4-sulfonic acid(98-37-3)MS 2-Aminophenol-4-sulfonic acid(98-37-3)IR1 2-Aminophenol-4-sulfonic acid(98-37-3)IR2

98-37-3(2-Aminophenol-4-sulfonic acid)Related Search:

Sulfanilic acid Nickel bis(sulphamidate) PHENOLDISULFONIC ACID Sulfamic acid 4-Aminophenol

Glycine 4-Amino-benzenesulfonic acid monosodium salt 3-Aminophenol ZINC PHENOLSULFONATE 2-Aminophenol

Sodium hydroxybenzenesulfonate XYLIDYL BLUE I SODIUM SALT 6-NITRO-2-AMINOPHENOL-4-SULFONIC ACID C.I. 14720 ACID RED 4

ACID ALIZARIN VIOLET N ZINCON 6-ACETAMIDO-2-AMINOPHENOL-4-SULFONIC ACID,6-ACETYLAMINO-2AMINOPHENOL-4-SULFONIC ACID

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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 2-Aminophenol-4-sulfonic acid (APS) 98-37-3 C6H7NO42H2O H2NC6H3OHSO3H H2NC6H3OHSO3HxH2O C6H7NO4SxH2O C6H3OHNH2SO3H C12H16N2O9S2 2C6H7NO4SH2O C6H7NO4SH2O