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2-Aminophenol-4-sulfonic acid

BGC Id:170108381141
CAS No:98-37-3
Synonyms:4-hydroxymetanilic acid ; metanilic acid, 4-hydroxy- ; oapsa ; aminophenolsulphonicacid ; 2-hydroxymetanilic acid ; 2-amino-4-sulfophenol ; 2-aminophenol-4-sulfonic ; 2-aminophenol-1-sulfonicacid ; 2-amino phenol-4-acid ; 2-hydroxy-5-sulfoaniline
Molecular Formula:C6H7NO4S
Molecular Weight:189.19
EINECS:202-662-8
Structural Formula

Verified providers in 2025

The following 9 notable providers have been checked and can be recommended.
Chemical-Suppliers
Leap Chem
Molecular Formula: C6H7NO4S Molecular Weight: 189.19 Hazard Symbols: C UN Number: UN 2585 8/PG 3 WGKGermany: 1 PackingGroup: III

The last intensive check and update was carried out on 2025/07/31.

Identify

Synonyms:
4-hydroxymetanilic acid ; metanilic acid, 4-hydroxy- ; oapsa ; aminophenolsulphonicacid ; 2-hydroxymetanilic acid ; 2-amino-4-sulfophenol ; 2-aminophenol-4-sulfonic ; 2-aminophenol-1-sulfonicacid ; 2-amino phenol-4-acid ; 2-hydroxy-5-sulfoaniline
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.)
download Download Molfile for :
3-Amino-4-hydroxybenzenesulfonic Acid

Suppliers

IBIS Chemie International

Company type: Leading producer
Maker and exporter since 1982 from India of API's,pharmaceutical intermediates and pigment intermediates. Most of our items have enduse in pharmaceuticals,API's,flavour/fragrance enduse,textiles, etc. For over 34 yrs, Ibis has been building our reputation as a leading maker and exporter of chemicals from India. The cornerstone of our reputation is integrity. We sell Cationic decolouring agent as well. Our integrity is our greatest strength. It is our balance sheet, it defines us to ourselves, our customers and to t ...
Country: India   Phone: +91 22-22001993   Telefax: +91 22-22088450

Zehao Industry Co., Ltd.

Country: P.R.China
Phone: +86-531-88909322
Telefax: +86-531-88909322
The Shepherd Chemical Company was founded in Norwood, Ohio, in 1916. We are a fourth-generation company and a custom manufacturer of Inorganic Metal Salts and Organic Metal Compounds to the global marketplace. We sell 2-Ethylhexyl acetate as well. Our long-standing success is built upon technical expertise, supplier reliability, and customer relationships. Our goal is to supply the marketplace with high quality metal compounds as standard or customized products. Our capabilities are comprised of our manufacturi ...

Dayang Chem (Hangzhou) Co.,Ltd.

Hangzhou DayangChem Co. Ltd is a comprehensive entity which specializes in development, production and trade of pharmaceutical, agrochemical and dyestuff intermediates as well as some special type reagents. We have an own factory and share enterprises. We act also as agent of many chemical factories and promote their products to the international market at very competitive price. We take "Credi first, Clients supreme" as our aim. We are supplier of 1,3-Dioxane,2-methyl-2-pentyl-. We expect to cooperate with more partners in ...
Company type: Leading producer
Country: P.R.China
Phone: +86-571-88938639
Telefax: +86-571-8893-8652

Nantong Xindao Biotech Ltd

Company type: Leading producer
XINDAO is a world leading biochemical company formed by a professional team.The company specializes in the production, development and sales of animal health, crop science, nutrition and health care, skin care raw materials, fine chemicals and other products. Additionally Octadecyl amine is supplied by us. At present, more than 300 kinds of products can be mass produced, which are widely used in chemical industry, health, agriculture, animal husbandry, biochemical research and other high-end fields. XINDAO pays attention ...
Country: P.R.China   Phone: +86 19033786557  

Xiamen Equation Chemical Co.,Ltd

Company type: Bulk chemical producer
Country: P.R.China
Phone: +86 592 6515854
Telefax: +86 592 6515854
Welcome to Equation chemical, your reliable partner in China as an important supplier of bulk specialty chemicals for industry & life science. We are committed to provide experienced high quality product and JIT performance to benefit our customers.

Leap Chem Co., Ltd

LEAPChem, a specialized fine chemicals supplier for research, development and production. LEAPChem provides nearly 50,000 rare and innovative chemical products to support the evolving needs of our customers in research & bulk manufacturing activities. As a highly customer-oriented enterprise, we are committed to providing high-quality customer services and products to our global customers in a cost-effective and efficient manner. Our client list includes many major pharmac ...
Company type: Bulk and laboratory supplier
Country: P.R.China
Phone: +852-30606658

Skyrun Industrial Co., Ltd.

Company type: Leading producer
Skyrun Industrial Co.Limited, established in 2003, a state-controlled company (By Skyrun Corp. & High Hope) in China, specializing in developing, producing and handing raw pharmaceutical material and intermediates. We have expanded a compositive entity from initially only as a small manufacturer. We have extensive knowledge of domestic and international pharmaceutical markets. We are supplier of Rhenium disulfide. Our working range can be start from small amount in research stage to big bulk for industrial produc ...
Country: P.R.China   Phone: +86-576-84015261   Telefax: +86-576-84015261

BIOZOL Diagnostica Vertrieb GmbH

Company type: Supplier of chemical products
Country: Germany
Phone: +49-871-966346-0
Telefax: +49-871-966346-13
Chemos®, a subsidiary of BIOZOL Diagnostica Vertrieb GmbH, is a leading supplier of ready to use solutions for the lab and chemical industry. We are producing reagents and standards for the analytical lab and supplying raw materials for the chemical and pharmaceutical industry. Additionally N-Hydroxy-1-oxy-pyridine-2-carboxamidine is supplied by us. The base of our solutions are a portfolio of ~ 200.000 raw materials where ~ 50.000 are already available for R+D ready to order in our shop. We are supplying and producing lab quantities from tiny qua ...

BuGuCh & Partners

We, BuGuCh & Partners, are an international acting and innovative company, leading in developing and manufacturing. We operates major facilities in North America, Europe and the Pacific Rim, as well as facilities in China, Japan and Saudi Arabia operated through joint ventures. We maintain independently or are partners of some production sites in Europe, Asia and South America. Our global network is a strength. Our products range from natural gas, oil and basic chemi ...
Company type: Producer
Country: Germany

Safety Information

Hazard Classes:
8
Risk Codes:
34 (R)
Safety Codes:
26-36/37/39-45 (S)
WGK Germany:
1
RID / ADR:
UN 2585 8 / PG 3

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

In addition to the providers presented here for 2-Aminophenol-4-sulfonic acid with the CAS number 98-37-3, there are other 19 providers with slightly different product names available for this CAS number.

+1 additional providers that we know from the past
BuGuCh & Partners +3 additional providers that we know from the past
+3 additional providers that we know from the past
+2 additional providers that we know from the past
Hangzhou Meite Industry Co., Ltd (Hangzhou Meite Chemical Co., Ltd) +4 additional providers that we know from the past
AK Scientific, Inc.




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