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

Synonyms: 4-Hydroxymetanilic acid · 2-Amino-1-phenol-4-sulfonic acid · 2-Amino-4-sulfophenol · Benzenesulfonic acid, 3-amino-4-hydroxy-

CAS No.98-37-3
FormulaC6H7NO4S
Mol. weight189.19
Catalogue No.VQ-045854
Purity90%
HSN29221990

2-Aminophenol-4-sulphonic acid (CAS 98-37-3) – organosulfur compound, Technical grade, 90%. C6H7NO4S, MW 189.19. Vaqora Chemicals: COA, global shipping.

Pack sizesPrice on quotation · bulk available
25 g
100 g
Bulk / custom pack · kg to MT
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Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

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

2-Aminophenol-4-sulphonic acid is an organosulfur compound (Technical grade) carrying the CAS registry number 98-37-3 at a purity of 90%. The compound has the formula C6H7NO4S, corresponding to a molecular weight of 189.19 g/mol. Systematically, it is named 3-amino-4-hydroxybenzenesulfonic acid. Alternative names: 4-Hydroxymetanilic acid and 2-Amino-1-phenol-4-sulfonic acid.

Keep the container tightly sealed and store it in a cool, dry area. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

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

Vaqora Chemicals supplies 2-Aminophenol-4-sulphonic acid in 25 g and 100 g packs, each shipped with a Certificate of Analysis (COA), and exports worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request.

Typical applications

  • Organic synthesis
  • API synthesis

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name2-Aminophenol-4-sulphonic acid, technical grade 90%
Catalogue No.VQ-045854
CAS Number98-37-3
IUPAC name3-amino-4-hydroxybenzenesulfonic acid
Molecular formulaC6H7NO4S
Molecular weight189.19 g/mol
Exact mass189.0096
GradeTechnical
Purity / assay90%
HSN code29221990
InChIKeyULUIMLJNTCECJU-UHFFFAOYSA-N
SMILESC1=CC(=C(C=C1S(=O)(=O)O)N)O
PubChem CID7385
Physical properties
Physical formOther
LogP (XLogP3)-0.1
H-bond donors / acceptors3 / 5
TPSA109 Ų
Synonyms4-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)

GHS05 Corrosive
Corrosive
GHS07 Harmful / irritant
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

Other grades of CAS 98-37-3

Frequently asked questions

What is the CAS number of 2-Aminophenol-4-sulphonic acid, technical grade 90%?

The CAS Registry Number of 2-Aminophenol-4-sulphonic acid, technical grade 90% 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, technical grade 90%?

2-Aminophenol-4-sulphonic acid, technical grade 90% 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, technical grade 90% can I order?

We supply 2-Aminophenol-4-sulphonic acid, technical grade 90% in Technical (90%) grade, in 25 g, 100 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 2-Aminophenol-4-sulphonic acid, technical grade 90%?

Yes. Every lot of 2-Aminophenol-4-sulphonic acid, technical grade 90% 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, technical grade 90% be shipped internationally?

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

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Why buyers choose Vaqora

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  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
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