2-Hydroxybenzenesulfonic Acid

Name: 2-Hydroxybenzenesulfonic Acid
Brand: Vaqora Chemicals
SKU: VQ-050964

About 2-Hydroxybenzenesulfonic Acid

Listed under CAS 609-46-1, 2-Hydroxybenzenesulfonic Acid is a metabolite or degradation product of Dobesilic Acid available from Vaqora Chemicals. Formula C6H6O4S, molecular weight 174.18 g/mol. Common synonyms include Phenol-2-sulfonic acid and Benzenesulfonic acid, 2-hydroxy-.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

It is used in metabolite identification, stability-indicating method development and impurity profiling of Dobesilic Acid, as well as in QC testing and ANDA/DMF documentation. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, 2-Hydroxybenzenesulfonic Acid is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling

Industries

Related to Dobesilic Acid

View every impurity, metabolite and intermediate we list for Dobesilic Acid.

Dobesilic Acid impurities

Specifications & identifiers

Chemical identifiers
Product name	2-Hydroxybenzenesulfonic Acid
Catalogue No.	VQ-050964
CAS Number	609-46-1
IUPAC name	2-hydroxybenzenesulfonic acid
Molecular formula	C₆H₆O₄S
Molecular weight	174.18 g/mol
Exact mass	173.9987
Grade	Reference Standard
HSN code	38229090
InChIKey	IULJSGIJJZZUMF-UHFFFAOYSA-N
SMILES	C1=CC=C(C(=C1)O)S(=O)(=O)O
PubChem CID	11867

Physical properties
Physical form	Solid
LogP (XLogP3)	0.9
H-bond donors / acceptors	2 / 4
TPSA	83 Å²
Synonyms	Phenol-2-sulfonic acid, Benzenesulfonic acid, 2-hydroxy-, o-Hydroxybenzenesulphonic acid, o-Hydroxybenzenesulfonic acid, Benzenesulfonic acid, o-hydroxy-, 2-sulfophenol, Phenolsulphonic acid, 2-phenolsulfonic acid, 2-hydroxybenzene-1-sulfonic acid, phenolsulfonic acid, AldrichCPR

Safety & hazard information (GHS)

Corrosive

Signal word: Danger

Hazard statements

H314Causes severe skin burns and eye damage
H318Causes serious eye damage

Precautionary statements: P260, P264, P264 + P265, P280, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P317, P321, 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

Frequently asked questions

What is the CAS number of 2-Hydroxybenzenesulfonic Acid?

The CAS Registry Number of 2-Hydroxybenzenesulfonic Acid is 609-46-1. It is also known as Phenol-2-sulfonic acid, Benzenesulfonic acid, 2-hydroxy-, o-Hydroxybenzenesulphonic acid.

What is the molecular formula and molecular weight of 2-Hydroxybenzenesulfonic Acid?

2-Hydroxybenzenesulfonic Acid has the molecular formula C6H6O4S and a molecular weight of 174.18 g/mol. Its IUPAC name is 2-hydroxybenzenesulfonic acid.

What is 2-Hydroxybenzenesulfonic Acid used for?

2-Hydroxybenzenesulfonic Acid is supplied as a characterised reference material related to Dobesilic Acid. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of 2-Hydroxybenzenesulfonic Acid can I order?

We supply 2-Hydroxybenzenesulfonic Acid in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 2-Hydroxybenzenesulfonic Acid?

Yes. Every lot of 2-Hydroxybenzenesulfonic Acid 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-Hydroxybenzenesulfonic Acid be shipped internationally?

Yes. 2-Hydroxybenzenesulfonic Acid 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.