8-Amino-2-naphthalenesulfonic acid

Name: 8-Amino-2-naphthalenesulfonic acid
Brand: Vaqora Chemicals
SKU: VQ-039146

About 8-Amino-2-naphthalenesulfonic acid

Listed under CAS 119-28-8, 8-Amino-2-naphthalenesulfonic acid is an organosulfur compound available from Vaqora Chemicals. Its molecular formula is C10H9NO3S and its molecular weight is 223.25 g/mol. The IUPAC name is 8-aminonaphthalene-2-sulfonic acid. Alternative names: Cleve's acid and 1-Naphthylamine-7-sulfonic acid.

Store in a tightly closed container in a cool, dry and well-ventilated place. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Typical applications include fine chemical synthesis and organic synthesis. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 100 mg, 250 mg, 1 g and 5 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request.

Typical applications

Fine chemical synthesis
Organic synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	8-Amino-2-naphthalenesulfonic acid
Catalogue No.	VQ-039146
CAS Number	119-28-8
IUPAC name	8-aminonaphthalene-2-sulfonic acid
Molecular formula	C₁₀H₉NO₃S
Molecular weight	223.25 g/mol
Exact mass	223.0303
HSN code	2933
InChIKey	QEZZCWMQXHXAFG-UHFFFAOYSA-N
SMILES	C1=CC2=C(C=C(C=C2)S(=O)(=O)O)C(=C1)N
PubChem CID	8386

Physical properties
Physical form	Other
LogP (XLogP3)	1.2
H-bond donors / acceptors	2 / 4
TPSA	88.8 Å²
Synonyms	Cleve's acid, 1-Naphthylamine-7-sulfonic acid, 1,7-Cleve's acid, 2-Naphthalenesulfonic acid, 8-amino-, 1-Amino-7-sulfonaphthalene, 1-Amino-7-naphthalenesulfonic acid, 1-Aminonaphthalene-7-sulfonic acid, 8-Naphthylamine-2-sulfonic acid, Cleve's theta-acid, 1-amino-naphthalene-7-sulphonic acid, Cleve's .theta.-acid, 1-aminonaphthalene-7-sulphonic acid

Safety & hazard information (GHS)

Corrosive

Signal word: Danger

Hazard statements

H314Causes severe skin burns and eye damage

Precautionary statements: P260, P264, P280, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P321, P363, 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

Frequently asked questions

What is the CAS number of 8-Amino-2-naphthalenesulfonic acid?

The CAS Registry Number of 8-Amino-2-naphthalenesulfonic acid is 119-28-8. It is also known as Cleve's acid, 1-Naphthylamine-7-sulfonic acid, 1,7-Cleve's acid.

What is the molecular formula and molecular weight of 8-Amino-2-naphthalenesulfonic acid?

8-Amino-2-naphthalenesulfonic acid has the molecular formula C10H9NO3S and a molecular weight of 223.25 g/mol. Its IUPAC name is 8-aminonaphthalene-2-sulfonic acid.

Which grade and pack sizes of 8-Amino-2-naphthalenesulfonic acid can I order?

We supply 8-Amino-2-naphthalenesulfonic acid, in 100 mg, 250 mg, 1 g, 5 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 8-Amino-2-naphthalenesulfonic acid?

Yes. Every lot of 8-Amino-2-naphthalenesulfonic 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-2-naphthalenesulfonic acid be shipped internationally?

Yes. 8-Amino-2-naphthalenesulfonic 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.