2-Hydroxybenzenesulfonic Acid

Name: 2-Hydroxybenzenesulfonic Acid
Brand: Zemixal
SKU: ZX-040964

Reference StandardAvailable on request

Order 2-Hydroxybenzenesulfonic Acid (CAS 609-46-1) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery.

Pack sizes

2-Hydroxybenzenesulfonic Acid chemical structure

CAS number609-46-1

FormulaC₆H₆O₄S

Molar mass174.18 g/mol

Physical formSolid

HS code38229090

InChIKeyIULJSGIJJZZUMF-UHFFFAOYSA-N

IUPAC name2-hydroxybenzenesulfonic acid

About 2-Hydroxybenzenesulfonic Acid

2-Hydroxybenzenesulfonic Acid is supplied by Zemixal as a characterised reference material for Dobesilic Acid analysis. For your records (Reference Standard), the material is defined by CAS 609-46-1, formula C6H6O4S and molar mass 174.18 g/mol. It is handled as a solid.

Where it is used

Metabolite identification
Stability-indicating methods
Impurity profiling

Storage and safety notes

Classified under GHS with signal word Danger and hazard statements H314 and H318. Read the SDS before first use.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. You receive a certificate of analysis with characterisation data with each order. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Dobesilic Acid

See every impurity, metabolite and related compound we list for this API.

Dobesilic Acid standards

Typical uses

Metabolite identification
Stability-indicating methods
Impurity profiling

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of 2-Hydroxybenzenesulfonic Acid
Product name	2-Hydroxybenzenesulfonic Acid
Catalogue number	ZX-040964
CAS number	609-46-1
IUPAC name	2-hydroxybenzenesulfonic acid
Molecular formula	C₆H₆O₄S
Molar mass	174.18 g/mol
Exact mass	173.9987
Grade	Reference Standard
Physical form	Solid
XLogP3	0.9
H-bond donors / acceptors	2 / 4
Topological polar surface area	83 Å²
HS code	38229090
InChIKey	IULJSGIJJZZUMF-UHFFFAOYSA-N
SMILES	C1=CC=C(C(=C1)O)S(=O)(=O)O
PubChem CID	11867
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

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

Corrosive

Signal word Danger

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 summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of 2-Hydroxybenzenesulfonic Acid
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about 2-Hydroxybenzenesulfonic Acid

Which CAS number identifies 2-Hydroxybenzenesulfonic Acid?

2-Hydroxybenzenesulfonic Acid is registered under CAS 609-46-1. You may also see it listed as Phenol-2-sulfonic acid, Benzenesulfonic acid, 2-hydroxy-, o-Hydroxybenzenesulphonic acid. Our catalogue number for this item is ZX-040964.

What are the formula and molar mass of 2-Hydroxybenzenesulfonic Acid?

For 2-Hydroxybenzenesulfonic Acid, its formula is C6H6O4S and its molar mass is 174.18 g/mol. The systematic (IUPAC) name is 2-hydroxybenzenesulfonic acid. InChIKey IULJSGIJJZZUMF-UHFFFAOYSA-N lets you match it in any structure database.

How is 2-Hydroxybenzenesulfonic Acid used in pharmaceutical QC?

2-Hydroxybenzenesulfonic Acid is a characterised reference material linked to Dobesilic Acid. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.

What grade and pack sizes are available for 2-Hydroxybenzenesulfonic Acid?

This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.

Which documents come with 2-Hydroxybenzenesulfonic Acid?

Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.

Can Zemixal ship 2-Hydroxybenzenesulfonic Acid to my country?

Yes. Because 2-Hydroxybenzenesulfonic Acid is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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