8-Amino-1-naphthol-3,6-disulphonic acid

Name: 8-Amino-1-naphthol-3,6-disulphonic acid
Brand: Vaqora Chemicals
SKU: VQ-010808

About 8-Amino-1-naphthol-3,6-disulphonic acid

8-Amino-1-naphthol-3,6-disulphonic acid (CAS 5460-09-3) is an organosulfur compound offered by Vaqora Chemicals with a typical assay of 75%. Formula C10H8NNaO7S2, molecular weight 341.3 g/mol. The IUPAC name is sodium 4-amino-5-hydroxy-7-sulfonaphthalene-2-sulfonate. Common synonyms include H acid monosodium salt and Monosodium 8-amino-1-naphthol-3,6-disulfonate.

It is supplied as a dark-brown solid. Keep the container tightly sealed and store it in a cool, dry area. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

It is commonly used for pharmaceutical synthesis and organic synthesis. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 25 g, 100 g, 500 g and 5 x 1 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Pharmaceutical synthesis
Organic synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	8-Amino-1-naphthol-3,6-disulphonic acid
Catalogue No.	VQ-010808
CAS Number	5460-09-3
IUPAC name	sodium 4-amino-5-hydroxy-7-sulfonaphthalene-2-sulfonate
Molecular formula	C₁₀H₈NNaO₇S₂
Molecular weight	341.3 g/mol
Exact mass	340.964
Purity / assay	75%
HSN code	29225090
InChIKey	QPILZZVXGUNELN-UHFFFAOYSA-M
SMILES	C1=C2C=C(C=C(C2=C(C=C1S(=O)(=O)[O-])N)O)S(=O)(=O)O.[Na+]
PubChem CID	23664361

Physical properties
Physical form	Solid
Appearance	Dark-brown solid
H-bond donors / acceptors	3 / 8
TPSA	175 Å²
Synonyms	4-Amino-5-hydroxy-2,7-naphthalenedisulfonic acid monosodium salt, H acid monosodium salt, 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-, monosodium salt, 8-Amino-1-naphthol-3,6-disulfonic acid monosodium salt, Monosodium 8-amino-1-naphthol-3,6-disulfonate, Monosodium 4-Amino-5-hydroxy-2,7-naphthalenedisulfonate, 4-Amino-5-hydroxy-2,7-naphthalenedisulfonic acid, monosodium, 4-Amino-5-hydroxynaphthalene-2,7-disulphonic acid, sodium salt, 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-, sodium salt (1:1), Sodium 4-Amino-5-hydroxy-2,7-naphthalenedisulfonate, 1-Amino-8-naphthol-3,6-disulfonic Acid Monosodium Salt, xSodium 4-amino-5-hydroxy-7-sulfonaphthalene-2-sulfonate

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

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 5460-09-3

H acid

CAS: 5460-09-3
Formula: C₁₀H₈NNaO₇S₂
MW: 341.3 g/mol

VQ-010880

Frequently asked questions

What is the CAS number of 8-Amino-1-naphthol-3,6-disulphonic acid?

The CAS Registry Number of 8-Amino-1-naphthol-3,6-disulphonic acid is 5460-09-3. It is also known as 4-Amino-5-hydroxy-2,7-naphthalenedisulfonic acid monosodium salt, H acid monosodium salt, 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-, monosodium salt.

What is the molecular formula and molecular weight of 8-Amino-1-naphthol-3,6-disulphonic acid?

8-Amino-1-naphthol-3,6-disulphonic acid has the molecular formula C10H8NNaO7S2 and a molecular weight of 341.3 g/mol. Its IUPAC name is sodium 4-amino-5-hydroxy-7-sulfonaphthalene-2-sulfonate.

Which grade and pack sizes of 8-Amino-1-naphthol-3,6-disulphonic acid can I order?

We supply 8-Amino-1-naphthol-3,6-disulphonic acid in (75%) grade, in 25 g, 100 g, 500 g, 5 x 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 8-Amino-1-naphthol-3,6-disulphonic acid?

Yes. Every lot of 8-Amino-1-naphthol-3,6-disulphonic 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 8-Amino-1-naphthol-3,6-disulphonic acid be shipped internationally?

Yes. 8-Amino-1-naphthol-3,6-disulphonic acid 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.