8-Anilino-1-naphthalenesulphonic acid ammoniu… 28836-03-5

About 8-Anilino-1-naphthalenesulphonic acid ammonium salt, for fluorescence, ≥97% (HPLC)

8-Anilino-1-naphthalenesulphonic acid ammonium salt is a biological stain carrying the CAS registry number 28836-03-5 with a typical assay of ≥97%. The compound has the formula C16H16N2O3S, corresponding to a molecular weight of 316.4 g/mol. The IUPAC name is azanium 8-anilinonaphthalene-1-sulfonate. It is also known as 1,8-ANS NH4 or ANSA.

It is supplied as green to olive green powder or crystals. Literature values give a melting point of 245-253 °C. 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. Our customers for this product work in academic and industrial research, diagnostics and biotechnology and textiles and dyeing.

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

Typical applications

Histology & cytology staining
Microscopy
Clinical laboratories
Fluorescent labelling

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	8-Anilino-1-naphthalenesulphonic acid ammonium salt, for fluorescence, ≥97% (HPLC)
Catalogue No.	VQ-000445
CAS Number	28836-03-5
IUPAC name	azanium 8-anilinonaphthalene-1-sulfonate
Molecular formula	C₁₆H₁₆N₂O₃S
Molecular weight	316.4 g/mol
Exact mass	316.0882
Purity / assay	≥97%
HSN code	29420090
InChIKey	IPBNQYLKHUNLQE-UHFFFAOYSA-N
SMILES	C1=CC=C(C=C1)NC2=CC=CC3=C2C(=CC=C3)S(=O)(=O)[O-].[NH4+]
PubChem CID	120066

Physical properties
Physical form	Crystalline
Appearance	Green to olive green powder or crystals
Melting point	245-253 °C
H-bond donors / acceptors	2 / 4
TPSA	78.6 Å²
Synonyms	1,8-ANS NH4, ANSA, Ammonium 8-anilino-1-naphthalenesulfonate, N-Phenyl peri acid, 8-Anilino-1-naphthalenesulfonic acid ammonium salt, ammonium 8-anilinonaphthalene-1-sulfonate, 1-Naphthalenesulfonic acid, 8-(phenylamino)-, ammonium salt (1:1), 8-anilinonaphthalene-1-sulfonic acid ammonium salt, Phenyl peri acid, ammonium salt, Ammonium 1-anilinonaphthalene-8-sulfonate, Ammonium 8-anilinonaphthalene-1-sulphonate, 1-Naphthalenesulfonic acid, 8-(phenylamino)-, monoammonium salt

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

Frequently asked questions

What is the CAS number of 8-Anilino-1-naphthalenesulphonic acid ammonium salt, for fluorescence, ≥97% (HPLC)?

The CAS Registry Number of 8-Anilino-1-naphthalenesulphonic acid ammonium salt, for fluorescence, ≥97% (HPLC) is 28836-03-5. It is also known as 1,8-ANS NH4, ANSA, Ammonium 8-anilino-1-naphthalenesulfonate.

What is the molecular formula and molecular weight of 8-Anilino-1-naphthalenesulphonic acid ammonium salt, for fluorescence, ≥97% (HPLC)?

8-Anilino-1-naphthalenesulphonic acid ammonium salt, for fluorescence, ≥97% (HPLC) has the molecular formula C16H16N2O3S and a molecular weight of 316.4 g/mol. Its IUPAC name is azanium 8-anilinonaphthalene-1-sulfonate.

Which grade and pack sizes of 8-Anilino-1-naphthalenesulphonic acid ammonium salt, for fluorescence, ≥97% (HPLC) can I order?

We supply 8-Anilino-1-naphthalenesulphonic acid ammonium salt, for fluorescence, ≥97% (HPLC) in (≥97%) grade, in 5 g, 25 g, 100 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-Anilino-1-naphthalenesulphonic acid ammonium salt, for fluorescence, ≥97% (HPLC)?

Yes. Every lot of 8-Anilino-1-naphthalenesulphonic acid ammonium salt, for fluorescence, ≥97% (HPLC) 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 ammonium salt, for fluorescence, ≥97% (HPLC) be shipped internationally?

Yes. 8-Anilino-1-naphthalenesulphonic acid ammonium salt, for fluorescence, ≥97% (HPLC) 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.