Description

1-[(2-Hydroxy-4-Nitrophenyl)Azo]-2-Naphthol is an azo dye intermediate known for its distinct colorant properties. This compound is valued for its role in synthesizing specific, high-performance pigments and dyes. It is primarily required by manufacturers in the pigments, inks, plastics, and textile dyeing industries seeking to produce vibrant and stable colors.

Application

• Pigment Manufacturing: A key intermediate for producing high-performance organic pigments.
• Dye Synthesis: Used in the formulation of specialized azo dyes for various substrates.
• Plastics and Polymers: Imparts color to plastic resins and synthetic polymers.
• Printing Inks: Serves as a colorant component in industrial and specialty printing inks.
• Textile Coloration: Employed in dyeing processes for synthetic and natural fibers.
• Research & Development: Used as a standard or reagent in chemical research and analytical laboratories.
• Coatings and Paints: Incorporated into formulations for decorative and protective coatings.

Basic Information

Product Name	1-[(2-Hydroxy-4-Nitrophenyl)Azo]-2-Naphthol
CAS No.	6434-57-7
Molecular Formula	C₁₆H₁₁N₃O₄
Molecular Weight	309.28 g/mol
Synonyms	Pigment Orange 5; C.I. 12075; 2-Naphthol, 1-[(2-hydroxy-4-nitrophenyl)azo]-; 1-(2-Hydroxy-4-nitrophenylazo)-2-naphthol; C.I. Pigment Orange 5; Fast Orange; Permanent Orange; Azoic Diazo Component 5
EINECS	229-210-2

Quality Control

Our production of 1-[(2-Hydroxy-4-Nitrophenyl)Azo]-2-Naphthol adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing to ensure consistent purity, color strength, and chemical identity. Certificates of Analysis (COA) detailing specifications and test results are provided to guarantee supply reliability and product traceability for our global B2B clients.

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 and sources of ignition. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Orange to red-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Ash Content	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility	Soluble in organic solvents; insoluble in water

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