Description

8-Anilino-1-Naphthalenesulfonic Acid is a versatile aromatic sulfonic acid derivative widely used as a key intermediate and functional additive. This compound is valued for its ability to act as a fluorescent probe and a building block in the synthesis of more complex molecules. It is essential for manufacturers and researchers in the pharmaceutical, agrochemical, and dye industries who require high-purity intermediates for product development and quality control.

Application

• Fluorescent Probe and Dye Intermediate: Used in the synthesis of fluorescent dyes and biological stains for analytical and diagnostic applications.
• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of active pharmaceutical ingredients (APIs) and other specialty chemicals.
• Analytical Chemistry Reagent: Employed as a reagent in various analytical methods, including fluorescence spectroscopy and chromatography.
• Agrochemical Synthesis: Acts as an intermediate in the production of certain herbicides, pesticides, and plant growth regulators.
• Polymer and Material Science: Utilized in the modification of polymers and as an additive to impart specific functional properties.
• Research & Development: A crucial compound for academic and industrial R&D in organic chemistry and photochemistry.

Basic Information

Product Name	8-Anilino-1-Naphthalenesulfonic Acid
CAS No.	82-76-8
Molecular Formula	C₁₆H₁₃NO₃S
Molecular Weight	299.34 g/mol
Synonyms	1,8-ANS; 8-Anilino-1-naphthalenesulfonic acid; 1-Anilino-8-naphthalenesulfonic acid; 8-Anilino-1-naphthalene sulfonic acid; 1,8-Anilinonaphthalenesulfonic acid; ANS; Ammonium 8-anilino-1-naphthalenesulfonate; 1,8-ANS ammonium salt
EINECS	201-438-3

Quality Control

Our 8-Anilino-1-Naphthalenesulfonic Acid is produced under strict quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality commitment aligns with cGMP principles where applicable, supporting its use in regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at 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	Light yellow to yellow powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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