8-Anilino-1-naphthalenesulphonic acid, 98%

Name: 8-Anilino-1-naphthalenesulphonic acid, 98%
Brand: Vaqora Chemicals
SKU: VQ-000446

About 8-Anilino-1-naphthalenesulphonic acid, 98%

Vaqora Chemicals supplies 8-Anilino-1-naphthalenesulphonic acid, a biological stain registered under CAS number 82-76-8, specified at 98% purity. The compound has the formula C16H13NO3S, corresponding to a molecular weight of 299.3 g/mol. Its systematic (IUPAC) name is 8-anilinonaphthalene-1-sulfonic acid. Common synonyms include N-Phenyl peri acid and ANS.

The material typically appears as dark green to dark brown to black powder or crystals. Reported physical data include a melting point of 215-217 °C (dec.). Keep the container tightly sealed and store it in a cool, dry area. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Key uses span histology and cytology staining, microscopy, clinical laboratories and fluorescent labelling. Typical end-use sectors are academic and industrial research, diagnostics and biotechnology and textiles and dyeing.

Available in 5 g, 25 g, 100 g and 1 kg packs, 8-Anilino-1-naphthalenesulphonic acid is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Histology & cytology staining
Microscopy
Clinical laboratories
Fluorescent labelling

Industries

Specifications & identifiers

Chemical identifiers
Product name	8-Anilino-1-naphthalenesulphonic acid, 98%
Catalogue No.	VQ-000446
CAS Number	82-76-8
IUPAC name	8-anilinonaphthalene-1-sulfonic acid
Molecular formula	C₁₆H₁₃NO₃S
Molecular weight	299.3 g/mol
Exact mass	299.0616
Purity / assay	98%
HSN code	29420090
InChIKey	FWEOQOXTVHGIFQ-UHFFFAOYSA-N
SMILES	C1=CC=C(C=C1)NC2=CC=CC3=C2C(=CC=C3)S(=O)(=O)O
PubChem CID	1369

Physical properties
Physical form	Crystalline
Appearance	Dark green to dark brown to black powder or crystals
Melting point	215-217 °C (dec.)
LogP (XLogP3)	3.5
H-bond donors / acceptors	2 / 4
TPSA	74.8 Å²
Synonyms	N-Phenyl peri acid, ANS, ANSA, 8-Anilino-1-naphthalenesulfonic acid, Phenylperi acid, 1-Anilino-8-naphthalenesulfonate, 1-Anilino-8-naphthalenesulfonic acid, 1-(Phenylamino)-8-naphthalenesulfonic acid, 1-Naphthalenesulfonic acid, 8-(phenylamino)-, 1,8-ANS, Anilinonaphthalenesulfonic acid, 8-ANSA cpd

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, 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

Frequently asked questions

What is the CAS number of 8-Anilino-1-naphthalenesulphonic acid, 98%?

The CAS Registry Number of 8-Anilino-1-naphthalenesulphonic acid, 98% is 82-76-8. It is also known as N-Phenyl peri acid, ANS, ANSA.

What is the molecular formula and molecular weight of 8-Anilino-1-naphthalenesulphonic acid, 98%?

8-Anilino-1-naphthalenesulphonic acid, 98% has the molecular formula C16H13NO3S and a molecular weight of 299.3 g/mol. Its IUPAC name is 8-anilinonaphthalene-1-sulfonic acid.

Which grade and pack sizes of 8-Anilino-1-naphthalenesulphonic acid, 98% can I order?

We supply 8-Anilino-1-naphthalenesulphonic acid, 98% in (98%) grade, in 5 g, 25 g, 100 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 8-Anilino-1-naphthalenesulphonic acid, 98%?

Yes. Every lot of 8-Anilino-1-naphthalenesulphonic acid, 98% 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-Anilino-1-naphthalenesulphonic acid, 98% be shipped internationally?

Yes. 8-Anilino-1-naphthalenesulphonic acid, 98% 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.