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3-Amino-4-hydroxybenzene-1-sulfonic acid

BGC Id:	414161268813
CAS No:	98-37-3
Synonyms:	2-hydroxymetanilic acid ; 2-aminophenol-1-sulfonicacid ; 2-amino-4-sulfophenol ; metanilic acid, 4-hydroxy- ; aminophenolsulphonicacid ; 2-hydroxy-5-sulfoaniline ; 4-hydroxymetanilic acid ; oapsa ; 2-aminophenol-4-sulfonic ; 2-amino phenol-4-acid
Molecular Formula:	C6H7NO4S
Molecular Weight:	189.19
EINECS:	202-662-8

2025 - The most valued supplier

The following notable provider has been checked and can be recommended.

Hangzhou Meite Industry Co., Ltd (Hangzhou Meite Chemical Co., Ltd)

Company type: Producer

Phone: +86 571 88026825
Telefax: +86 571 88282557
Country: P.R.China

Hangzhou Meite Industry Co., Ltd. is an international high-tech enterprise founded in 1998, specialized in R&D and manufacture on intermediates, medicines, agrochemical, dyestuff, flavor, fragrance, cosmetic, natural extracts series products. Hangzhou Meite Industry Co., Ltd (Hangzhou Meite Chemical Co., Ltd) also offers 6-Chloro-5-fluoroindole. We have an efficient R&D centre, get a strong technical support from Zhejiang University of Technology an ...

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What other providers are available for CAS 98-37-3?

The last intensive check and update was carried out on 2025/07/16.

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Synonyms:

2-hydroxymetanilic acid ; 2-aminophenol-1-sulfonicacid ; 2-amino-4-sulfophenol ; metanilic acid, 4-hydroxy- ; aminophenolsulphonicacid ; 2-hydroxy-5-sulfoaniline ; 4-hydroxymetanilic acid ; oapsa ; 2-aminophenol-4-sulfonic ; 2-amino phenol-4-acid

CAS:

98-37-3

EINECS:

202-662-8

Molecular Formula:

C6H7NO4S

MDL:

Properties

Molecular Weight:

189.19 g·mol−1

Melting point:

≥300 °C(lit.)

Safety Information

Hazard Symbols: C

Europe standard Hazard pictograms, code and definition

Hazard Classes:

Risk Codes:

34 (R)

Safety Codes:

26-36/37/39-45 (S)

WGK Germany:

RID / ADR:

UN 2585 8 / PG 3

The following providers cannot be verified precisely. The companies have offered the product in the past, but despite all care, the companies could not confirm it 100 percent!

Santa Cruz Biotechnology, Inc.

Santa Cruz Biotechnology, Inc. now offers over 140,000 specialty biochemicals under our ChemCruz™ brand. Santa Cruz Biotechnology, Inc. is focused... Request

What other providers are available for CAS 98-37-3?

In addition to the providers presented here for 3-Amino-4-hydroxybenzene-1-sulfonic acid with the CAS number 98-37-3, there are other 45 providers with slightly different product names available for this CAS number.

O.a.p.s.a

+1 additional providers that we know from the past

2-Aminophenol-4-sulfonic acid

o-Aminophenol-4-sulfonic acid

BuGuCh & Partners +3 additional providers that we know from the past

o-Aminophenol-p-sulfonic acid

+3 additional providers that we know from the past

2-Aminophenol-4-sulfonamide acid

2-Aminophenol-4-sulfonic acid hydrate

+2 additional providers that we know from the past

Oapsa (2-amino phenol-4-sulfonic acid)

3-Amino-4-hydroxybenzenesulfonic acid hydrate

AK Scientific, Inc.