2-Aminophenol-4-sulphonic acid, 98%

Name: 2-Aminophenol-4-sulphonic acid, 98%
Brand: Vaqora Chemicals
SKU: VQ-010760

About 2-Aminophenol-4-sulphonic acid, 98%

2-Aminophenol-4-sulphonic acid is an organosulfur compound carrying the CAS registry number 98-37-3 with a typical assay of 98%. With the molecular formula C6H7NO4S, it has a molar mass of 189.19 g/mol. The IUPAC name is 3-amino-4-hydroxybenzenesulfonic acid. Alternative names: 4-Hydroxymetanilic acid and 2-Amino-1-phenol-4-sulfonic acid.

It is supplied as powder or crystals or chunks. Key physical data: a melting point of ≥300 °C. Keep the container tightly sealed and store it in a cool, dry area. It carries the GHS signal word “Danger” with 3 hazard statements. Review the Safety Data Sheet before use.

Typical applications include organic synthesis and API synthesis. It is used across pharmaceutical manufacturing and academic and industrial research.

Available in 25 g, 100 g and 1 kg packs, 2-Aminophenol-4-sulphonic acid is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	2-Aminophenol-4-sulphonic acid, 98%
Catalogue No.	VQ-010760
CAS Number	98-37-3
IUPAC name	3-amino-4-hydroxybenzenesulfonic acid
Molecular formula	C₆H₇NO₄S
Molecular weight	189.19 g/mol
Exact mass	189.0096
Purity / assay	98%
HSN code	29221990
InChIKey	ULUIMLJNTCECJU-UHFFFAOYSA-N
SMILES	C1=CC(=C(C=C1S(=O)(=O)O)N)O
PubChem CID	7385

Physical properties
Physical form	Crystalline
Appearance	Powder or crystals or chunks
Melting point	≥300 °C
LogP (XLogP3)	-0.1
H-bond donors / acceptors	3 / 5
TPSA	109 Å²
Synonyms	4-Hydroxymetanilic acid, 2-Amino-1-phenol-4-sulfonic acid, 2-Amino-4-sulfophenol, Benzenesulfonic acid, 3-amino-4-hydroxy-, o-Aminophenol-p-sulfonic acid, 2-Hydroxy-5-sulfoaniline, 4-Hydroxy-3-aminobenzenesulfonic acid, 2Amino4sulfophenol, 2Hydroxy5sulfoaniline, 4Hydroxymetanilic acid, oAminophenolpsulfonic acid, Metanilic acid, 4hydroxy

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Signal word: Danger

Hazard statements

H314Causes severe skin burns and eye damage
H315Causes skin irritation
H319Causes serious eye irritation

Precautionary statements: P260, P264, P264 + P265, P280, P301 + P330 + P331, P302 + P352, P302 + P361 + P354, P304 + P340, P305 + P351 + P338, P305 + P354 + P338, P316, P321, P332 + P317, P337 + P317, P362 + P364, P363, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 98-37-3

Technical

2-Aminophenol-4-sulphonic acid, technical grade 90%

CAS: 98-37-3
Formula: C₆H₇NO₄S
MW: 189.19 g/mol

VQ-045854

Frequently asked questions

What is the CAS number of 2-Aminophenol-4-sulphonic acid, 98%?

The CAS Registry Number of 2-Aminophenol-4-sulphonic acid, 98% is 98-37-3. It is also known as 4-Hydroxymetanilic acid, 2-Amino-1-phenol-4-sulfonic acid, 2-Amino-4-sulfophenol.

What is the molecular formula and molecular weight of 2-Aminophenol-4-sulphonic acid, 98%?

2-Aminophenol-4-sulphonic acid, 98% has the molecular formula C6H7NO4S and a molecular weight of 189.19 g/mol. Its IUPAC name is 3-amino-4-hydroxybenzenesulfonic acid.

Which grade and pack sizes of 2-Aminophenol-4-sulphonic acid, 98% can I order?

We supply 2-Aminophenol-4-sulphonic acid, 98% in (98%) grade, in 25 g, 100 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 2-Aminophenol-4-sulphonic acid, 98%?

Yes. Every lot of 2-Aminophenol-4-sulphonic acid, 98% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 2-Aminophenol-4-sulphonic acid, 98% be shipped internationally?

Yes. 2-Aminophenol-4-sulphonic acid, 98% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.