2-Naphthol-3,6-Disulfonic Acid

Name: 2-Naphthol-3,6-Disulfonic Acid
Brand: Vaqora Chemicals
SKU: VQ-051312

About 2-Naphthol-3,6-Disulfonic Acid

2-Naphthol-3,6-Disulfonic Acid (CAS 148-75-4) is a metabolite or degradation product of Phloroglucinol offered by Vaqora Chemicals. Its molecular formula is C10H8O7S2 and its molecular weight is 304.3 g/mol. The IUPAC name is 3-hydroxynaphthalene-2,7-disulfonic acid. Common synonyms include 3-Hydroxynaphthalene-2,7-disulphonic acid and 2,7-Naphthalenedisulfonic acid, 3-hydroxy-.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

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

We offer 2-Naphthol-3,6-Disulfonic Acid in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling

Industries

Related to Phloroglucinol

View every impurity, metabolite and intermediate we list for Phloroglucinol.

Phloroglucinol impurities

Specifications & identifiers

Chemical identifiers
Product name	2-Naphthol-3,6-Disulfonic Acid
Catalogue No.	VQ-051312
CAS Number	148-75-4
IUPAC name	3-hydroxynaphthalene-2,7-disulfonic acid
Molecular formula	C₁₀H₈O₇S₂
Molecular weight	304.3 g/mol
Exact mass	303.9711
Grade	Reference Standard
HSN code	38229090
InChIKey	USWINTIHFQKJTR-UHFFFAOYSA-N
SMILES	C1=CC(=CC2=CC(=C(C=C21)O)S(=O)(=O)O)S(=O)(=O)O
PubChem CID	8674

Physical properties
Physical form	Solid
LogP (XLogP3)	0.9
H-bond donors / acceptors	3 / 7
TPSA	146 Å²
Synonyms	3-Hydroxynaphthalene-2,7-disulphonic acid, 2,7-Naphthalenedisulfonic acid, 3-hydroxy-, 3-hydroxy-2,7-naphthalenedisulfonic acid, 2,7-Naphthalenedisulfonicacid, 3-hydroxy-, R Acid, 3-Hydroxy-2,7-naphthalenedisulfonic Acid Sodium Salt, R-Saure, 2-Hydroxy-3,6-naphthalenedisulfonic acid

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-Naphthol-3,6-Disulfonic Acid?

The CAS Registry Number of 2-Naphthol-3,6-Disulfonic Acid is 148-75-4. It is also known as 3-Hydroxynaphthalene-2,7-disulphonic acid, 2,7-Naphthalenedisulfonic acid, 3-hydroxy-, 3-hydroxy-2,7-naphthalenedisulfonic acid.

What is the molecular formula and molecular weight of 2-Naphthol-3,6-Disulfonic Acid?

2-Naphthol-3,6-Disulfonic Acid has the molecular formula C10H8O7S2 and a molecular weight of 304.3 g/mol. Its IUPAC name is 3-hydroxynaphthalene-2,7-disulfonic acid.

What is 2-Naphthol-3,6-Disulfonic Acid used for?

2-Naphthol-3,6-Disulfonic Acid is supplied as a characterised reference material related to Phloroglucinol. 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-Naphthol-3,6-Disulfonic Acid can I order?

We supply 2-Naphthol-3,6-Disulfonic 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-Naphthol-3,6-Disulfonic Acid?

Yes. Every lot of 2-Naphthol-3,6-Disulfonic 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-Naphthol-3,6-Disulfonic Acid be shipped internationally?

Yes. We export 2-Naphthol-3,6-Disulfonic Acid worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.