Description

3-Phenylazo-2-Naphthol is an azo dye intermediate known for its vivid orange to red colorant properties. This compound is valued for its role in synthesizing high-performance pigments and dyes with excellent lightfastness and thermal stability. It is primarily needed by manufacturers in the pigments, plastics, inks, and textile industries for coloring applications.

Application

• Primary intermediate for the synthesis of azo pigments and dyes.
• Colorant for plastics and synthetic resins to achieve orange/red hues.
• Manufacturing of printing inks, including for packaging and publications.
• Dyeing agent for specific textile fibers and non-woven materials.
• Research and development chemical in organic synthesis and material science.
• Potential use as a staining agent or indicator in laboratory settings.

Basic Information

Product Name	3-Phenylazo-2-Naphthol
CAS No.	2036-48-8
Molecular Formula	C₁₆H₁₂N₂O
Molecular Weight	248.28 g/mol
Synonyms	Sudan I; CI 12055; Solvent Yellow 14; 1-Phenylazo-2-naphthol; Oil Orange; Ceres Orange R; Benzeneazobetanaphthol; 2-Naphthol, 1-phenylazo-
EINECS	218-022-5

Quality Control

Our 3-Phenylazo-2-Naphthol is produced under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure consistent purity, color strength, and performance. Certificates of Analysis (COA) detailing identity, assay, and impurity profiles are available upon request to support your quality assurance protocols.

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 incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Orange to red crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	130 - 134 °C
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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