Description

8-Anilino-1-Naphthalenesulfonic Acid Ammonium Salt is a high-purity, water-soluble ammonium salt derivative of the fluorescent probe 1-anilino-8-naphthalenesulfonate (ANS). This compound is valued for its strong fluorescence properties and its role as a sensitive molecular probe for studying hydrophobic binding sites in proteins and membranes. It is essential for researchers and manufacturers in the life sciences and specialty chemical sectors who require a reliable, high-quality reagent for fluorescence spectroscopy, biophysical assays, and advanced material development.

Application

• Fluorescent Molecular Probe: Widely used in biochemistry and biophysics to study protein conformation, folding, and the hydrophobicity of binding sites.
• Membrane Research: Employed as a probe for investigating membrane fluidity, phase transitions, and the properties of lipid bilayers.
• Diagnostic Reagent Development: Serves as a key component in the formulation of fluorescent assays and diagnostic kits.
• Dye & Pigment Intermediate: Acts as a precursor or intermediate in the synthesis of specialized dyes and fluorescent pigments.
• Material Science: Used in the development of advanced fluorescent materials and sensors.
• Academic & Industrial Research: A critical reagent for R&D in pharmaceuticals, biotechnology, and analytical chemistry.

Basic Information

Product Name	8-Anilino-1-Naphthalenesulfonic Acid Ammonium Salt
CAS No.	28836-03-5
Molecular Formula	C16H16N2O3S
Molecular Weight	316.37 g/mol
Synonyms	1-Anilino-8-naphthalenesulfonic acid ammonium salt; Ammonium 8-anilino-1-naphthalenesulfonate; ANS ammonium salt; 8-Anilinonaphthalene-1-sulfonic acid ammonium salt; Bis(ammonium) 8-phenylamino-1-naphthalenesulfonate; Fluorescent probe ANS ammonium salt; N-Phenyl-1-naphthylamine-8-sulfonic acid ammonium salt
EINECS	Contact for details

Quality Control

Our 8-Anilino-1-Naphthalenesulfonic Acid Ammonium Salt is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and industrial applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow to greenish-yellow powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Heavy Metals	≤ 20 ppm
Solubility	Freely soluble in water

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.