Description

α-Naphthylamine·Sulfate CAS NO 552-47-6 is a high-purity organic salt derivative of 1-naphthylamine, valued for its role as a versatile intermediate in advanced chemical synthesis. Its primary commercial importance lies in its ability to facilitate the production of dyes, pigments, and specialized agrochemicals. This product is essential for manufacturers and R&D laboratories in the dye, pharmaceutical, and fine chemical industries seeking reliable, high-quality building blocks.

Application

• Dye and Pigment Intermediate: A key precursor in the synthesis of azo dyes and other colorants for textiles, inks, and plastics.
• Agrochemical Synthesis: Used in the manufacturing of certain herbicides, pesticides, and plant growth regulators.
• Pharmaceutical Research: Serves as a building block in the development of active pharmaceutical ingredients (APIs) and other bioactive compounds.
• Chemical Research & Development: Employed as a standard or reagent in organic synthesis and analytical chemistry.
• Photographic Chemicals: Can be used in the production of certain photographic developers and sensitizers.
• Corrosion Inhibitor Formulation: A component in specialty formulations designed to protect metals.

Basic Information

Product Name	α-Naphthylamine·Sulfate
CAS No.	552-47-6
Molecular Formula	C10H9N · H2SO4
Molecular Weight	239.26 g/mol
Synonyms	1-Naphthylamine sulfate; 1-Naphthalenamine sulfate (1:1); α-Naphthylamine sulfate; Naphthalen-1-amine sulfate; 1-Aminonaphthalene sulfate; 1-Naphthylammonium sulfate; NSC 403124
EINECS	209-006-8

Quality Control

Our α-Naphthylamine·Sulfate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including assay, impurity profiling, and identity confirmation, to ensure it meets precise specifications and is free from unexpected contaminants. A comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and test results is provided with each shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This material is light-sensitive and easily oxidized; prolonged exposure to air and light should be avoided to maintain stability and purity. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white or light gray crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition (Sulfated Ash)	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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