Description

Naphthol As Acetate CAS NO 1163-67-3 is a high-purity, specialized organic compound belonging to the naphthol ester class, serving as a critical intermediate in advanced chemical synthesis. Its primary value lies in its role as a key building block for the production of azo dyes, pigments, and other complex organic molecules, ensuring vibrant color and structural integrity. This product is essential for manufacturers and R&D laboratories in the dyestuff, pigment, and fine chemical industries seeking reliable, high-quality intermediates for their production processes.

Application

• Primary intermediate in the synthesis of high-performance azo dyes and pigments.
• Key building block for the production of liquid crystal materials and other advanced organic electronic compounds.
• Used in the manufacture of specific pharmaceutical intermediates and active ingredients.
• Essential reagent in organic synthesis and research & development for creating novel chemical entities.
• Component in the formulation of specialized analytical reagents and laboratory chemicals.

Basic Information

Product Name	Naphthol As Acetate
CAS No.	1163-67-3
Molecular Formula	C19H15NO3
Molecular Weight	305.33 g/mol
Synonyms	3-Hydroxy-2-naphthanilide acetate; Naphthol AS acetate; C.I. Azoic Coupling Component 5; Acetic acid 2-hydroxy-3-naphthoylanilide; N-(3-Acetoxy-2-naphthoyl)aniline; 2-Hydroxy-3-naphthoylanilide acetate; Naphthol AS-Ac; Naphthanilide AS acetate
EINECS	214-571-5

Quality Control

Our Naphthol As Acetate is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. The product undergoes rigorous analytical testing, including HPLC for assay and impurity profiling, to meet exacting customer specifications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and related substances is provided with each shipment to guarantee compliance with your quality requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from heat, open flames, and incompatible materials. The product is light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	Off-white to light beige crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	158°C - 162°C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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