Description

Naphthol As-Ol Acetate is a specialized organic chemical intermediate, primarily recognized for its role as a coupling component in the synthesis of azo dyes and pigments. This compound is valued for its ability to produce vibrant and stable colorants with excellent fastness properties. It is a critical raw material for manufacturers in the dye and pigment industry, as well as for research and development in organic synthesis and analytical chemistry.

Application

• Azo Dye & Pigment Synthesis: Serves as a key coupling component for producing a wide range of orange, red, and brown azo colorants.
• Textile Dyeing: Used in the manufacture of dyes for coloring natural and synthetic fibers, including cotton, wool, and polyester blends.
• Ink Formulation: Employed in the production of pigments for printing inks, offering good dispersion and color strength.
• Plastic and Polymer Coloring: Acts as a pigment intermediate for coloring plastics, masterbatches, and synthetic resins.
• Leather Finishing: Utilized in dyes for the leather tanning and finishing industry.
• Research & Development: Used as a standard or intermediate in organic chemistry research and analytical method development.
• Paper Coating: Finds application in specialty dyes for high-grade paper and paperboard.

Basic Information

Item	Detail
Product Name	Naphthol As-Ol Acetate
CAS No.	7128-79-2
Molecular Formula	C19H15NO3
Molecular Weight	305.33 g/mol
Synonyms	2-Hydroxy-3-naphthoic acid (2-methoxyphenyl)amide acetate; 3-Hydroxy-N-(2-methoxyphenyl)-2-naphthamide acetate; Naphthol AS-OL acetate; Naphthol AS-OL Acetic Acid Ester; Azoic Coupling Component 20; Azoic Coupling Component OL; C.I. 37530; Naphthol OL Acetate
EINECS	Contact for details

Quality Control

Our Naphthol As-Ol Acetate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise chemical and physical specifications. We provide Certificates of Analysis (COA) with key parameters such as purity, melting point, and identification, ensuring traceability and consistency for your production processes.

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). Keep away from heat, sparks, and open flame. The product is light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	Off-white to light beige powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Within a specified range (Contact for details)
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm
Solubility	Soluble in common organic solvents

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