7-Hydroxy-1,3-naphthalenedisulfonic Acid

Name: 7-Hydroxy-1,3-naphthalenedisulfonic Acid
Brand: Vaqora Chemicals
SKU: VQ-039144

About 7-Hydroxy-1,3-naphthalenedisulfonic Acid

7-Hydroxy-1,3-naphthalenedisulfonic Acid is a metabolite or degradation product of Phloroglucinol carrying the CAS registry number 118-32-1. Its molecular formula is C10H8O7S2 and its molecular weight is 304.3 g/mol. Its systematic (IUPAC) name is 7-hydroxynaphthalene-1,3-disulfonic acid. Common synonyms include 7-Hydroxy-1,3-Naphthalene Disulphonic Acid and 2-Naphthol-6,8-disulfonic acid.

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. Good laboratory practice and suitable PPE are recommended during handling.

Analytical teams use this compound to identify metabolites and degradants of Phloroglucinol, to validate stability-indicating methods (AMV) and to support QC and regulatory filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies 7-Hydroxy-1,3-naphthalenedisulfonic Acid in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports 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	7-Hydroxy-1,3-naphthalenedisulfonic Acid
Catalogue No.	VQ-039144
CAS Number	118-32-1
IUPAC name	7-hydroxynaphthalene-1,3-disulfonic acid
Molecular formula	C₁₀H₈O₇S₂
Molecular weight	304.3 g/mol
Exact mass	303.9711
Grade	Reference Standard
HSN code	38229090
InChIKey	DOBIZWYVJFIYOV-UHFFFAOYSA-N
SMILES	C1=CC(=CC2=C(C=C(C=C21)S(=O)(=O)O)S(=O)(=O)O)O
PubChem CID	67041

Physical properties
Physical form	Solid
LogP (XLogP3)	0.3
H-bond donors / acceptors	3 / 7
TPSA	146 Å²
Synonyms	7-Hydroxy-1,3-Naphthalene Disulphonic Acid, 2-Naphthol-6,8-disulfonic acid, G Acid, 1,3-Naphthalenedisulfonic acid, 7-hydroxy-, 2-Hydroxynaphthalene-6,8-disulfonic acid, beta-Naphtholdisulfonic acid G, .beta.-Naphtholdisulfonic acid G, beta-Naphthol-gamma-disulfonic acid, 7-Hydroxynaphthalene-1,3-disulphonic acid, 1,3-Naphthalenedisulfonicacid, 7-hydroxy-, 1, 7-hydroxy-

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 7-Hydroxy-1,3-naphthalenedisulfonic Acid?

The CAS Registry Number of 7-Hydroxy-1,3-naphthalenedisulfonic Acid is 118-32-1. It is also known as 7-Hydroxy-1,3-Naphthalene Disulphonic Acid, 2-Naphthol-6,8-disulfonic acid, G Acid.

What is the molecular formula and molecular weight of 7-Hydroxy-1,3-naphthalenedisulfonic Acid?

7-Hydroxy-1,3-naphthalenedisulfonic Acid has the molecular formula C10H8O7S2 and a molecular weight of 304.3 g/mol. Its IUPAC name is 7-hydroxynaphthalene-1,3-disulfonic acid.

What is 7-Hydroxy-1,3-naphthalenedisulfonic Acid used for?

7-Hydroxy-1,3-naphthalenedisulfonic 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 7-Hydroxy-1,3-naphthalenedisulfonic Acid can I order?

We supply 7-Hydroxy-1,3-naphthalenedisulfonic 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 7-Hydroxy-1,3-naphthalenedisulfonic Acid?

Yes. Every lot of 7-Hydroxy-1,3-naphthalenedisulfonic 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 7-Hydroxy-1,3-naphthalenedisulfonic Acid be shipped internationally?

Yes. We export 7-Hydroxy-1,3-naphthalenedisulfonic Acid worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.