Disodium-3-Hydroxy-2,7-naphthalenedisulfonate

Name: Disodium-3-Hydroxy-2,7-naphthalenedisulfonate
Brand: Vaqora Chemicals
SKU: VQ-050623

About Disodium-3-Hydroxy-2,7-naphthalenedisulfonate

Listed under CAS 135-51-3, Disodium-3-Hydroxy-2,7-naphthalenedisulfonate is a metabolite or degradation product of Phloroglucinol available from Vaqora Chemicals. With the molecular formula C10H6Na2O7S2, it has a molar mass of 348.3 g/mol. Alternative names: R salt and Disodium 2-naphthol-3,6-disulfonate.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

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. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

We offer Disodium-3-Hydroxy-2,7-naphthalenedisulfonate 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	Disodium-3-Hydroxy-2,7-naphthalenedisulfonate
Catalogue No.	VQ-050623
CAS Number	135-51-3
IUPAC name	disodium;3-hydroxynaphthalene-2,7-disulfonate
Molecular formula	C₁₀H₆Na₂O₇S₂
Molecular weight	348.3 g/mol
Exact mass	347.935
Grade	Reference Standard
HSN code	38229090
InChIKey	VNEBWJSWMVTSHK-UHFFFAOYSA-L
SMILES	C1=CC(=CC2=CC(=C(C=C21)O)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]
PubChem CID	8673

Physical properties
Physical form	Solid
H-bond donors / acceptors	1 / 7
TPSA	151 Å²
Synonyms	R salt, Disodium 2-naphthol-3,6-disulfonate, disodium 3-hydroxynaphthalene-2,7-disulfonate, 2-Naphthol-3,6-disulfonic acid disodium salt, 2-Naphthol-3,6-disulfonic acid, disodium salt, Sodium 3-hydroxynaphthalene-2,7-disulfonate, 3-Hydroxynaphthalene-2,7-disulfonic acid disodium salt, 3-Hydroxy-2,7-naphthalenedisulfonic acid disodium salt, 3-hydroxy-2,7-naphthalenedisulfonic acid, disodium salt, 3-Hydroxynaphthalene-2,7-disulfonic acid, disodium salt

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation

Precautionary statements: P264, P264 + P265, P280, P302 + P352, P305 + P351 + P338, P321, P332 + P317, P337 + P317, P362 + P364

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 Disodium-3-Hydroxy-2,7-naphthalenedisulfonate?

The CAS Registry Number of Disodium-3-Hydroxy-2,7-naphthalenedisulfonate is 135-51-3. It is also known as R salt, Disodium 2-naphthol-3,6-disulfonate, disodium 3-hydroxynaphthalene-2,7-disulfonate.

What is the molecular formula and molecular weight of Disodium-3-Hydroxy-2,7-naphthalenedisulfonate?

Disodium-3-Hydroxy-2,7-naphthalenedisulfonate has the molecular formula C10H6Na2O7S2 and a molecular weight of 348.3 g/mol.

What is Disodium-3-Hydroxy-2,7-naphthalenedisulfonate used for?

Disodium-3-Hydroxy-2,7-naphthalenedisulfonate 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 Disodium-3-Hydroxy-2,7-naphthalenedisulfonate can I order?

We supply Disodium-3-Hydroxy-2,7-naphthalenedisulfonate 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 Disodium-3-Hydroxy-2,7-naphthalenedisulfonate?

Yes. Every lot of Disodium-3-Hydroxy-2,7-naphthalenedisulfonate 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 Disodium-3-Hydroxy-2,7-naphthalenedisulfonate be shipped internationally?

Yes. Disodium-3-Hydroxy-2,7-naphthalenedisulfonate 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.