Sodium naphthionate

Name: Sodium naphthionate
Brand: Vaqora Chemicals
SKU: VQ-010974

About Sodium naphthionate

Listed under CAS 130-13-2, Sodium naphthionate is an organosulfur compound available from Vaqora Chemicals, specified at ≥95% purity. Its molecular formula is C10H8NNaO3S and its molecular weight is 245.23 g/mol. The IUPAC name is sodium 4-aminonaphthalene-1-sulfonate. Alternative names: Naphthionic acid sodium salt and Sodium 4-amino-1-naphthalenesulfonate.

In its supplied form it is white to brown to grey powder or crystals. Store sealed in a dry, well-ventilated location away from incompatible materials. It carries the GHS signal word “Warning” with 2 hazard statements. Review the Safety Data Sheet before use.

It is commonly used for fine chemical synthesis and organic synthesis. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer Sodium naphthionate in 1 kg, 5 x 1 kg and 25 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Fine chemical synthesis
Organic synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Sodium naphthionate
Catalogue No.	VQ-010974
CAS Number	130-13-2
IUPAC name	sodium 4-aminonaphthalene-1-sulfonate
Molecular formula	C₁₀H₈NNaO₃S
Molecular weight	245.23 g/mol
Exact mass	245.0123
Purity / assay	≥95%
HSN code	29280090
InChIKey	JWSRMCCRAJUMLX-UHFFFAOYSA-M
SMILES	C1=CC=C2C(=C1)C(=CC=C2S(=O)(=O)[O-])N.[Na+]
PubChem CID	23665720

Physical properties
Physical form	Crystalline
Appearance	White to brown to grey powder or crystals
H-bond donors / acceptors	1 / 4
TPSA	91.6 Å²
Synonyms	Naphthionic acid sodium salt, Sodium 4-amino-1-naphthalenesulfonate, Naphthionine, Sodium 1-naphthylamine-4-sulfonate, 1-Naphthalenesulfonic acid, 4-amino-, monosodium salt, 1-Naphthalenesulfonic acid, 4-amino-, sodium salt (1:1), Sodium 1-aminonaphthalene-4-sulfonate, 1,4-Naphthionic monosodium salt, Sodium alpha-naphthylamine-4-sulfonate, Sodium 4-aminonaphthalene-1-sulphonate, 4-Amino-1-napthalene sulfonic acid, sodium salt, 4-Amino-1-naphthalene sulfonic acid, sodium 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

Other grades of CAS 130-13-2

Synthesis

1-Naphthylamine 4-sulphonic acid sodium salt, 90%

CAS: 130-13-2
Formula: C₁₀H₈NNaO₃S
MW: 245.23 g/mol

VQ-010746

Frequently asked questions

What is the CAS number of Sodium naphthionate?

The CAS Registry Number of Sodium naphthionate is 130-13-2. It is also known as Naphthionic acid sodium salt, Sodium 4-amino-1-naphthalenesulfonate, Naphthionine.

What is the molecular formula and molecular weight of Sodium naphthionate?

Sodium naphthionate has the molecular formula C10H8NNaO3S and a molecular weight of 245.23 g/mol. Its IUPAC name is sodium 4-aminonaphthalene-1-sulfonate.

Which grade and pack sizes of Sodium naphthionate can I order?

We supply Sodium naphthionate in (≥95%) grade, in 1 kg, 5 x 1 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Sodium naphthionate?

Yes. Every lot of Sodium naphthionate 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 Sodium naphthionate be shipped internationally?

Yes. Sodium naphthionate 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.