Description

4-Nitro-1-Naphthol is a versatile nitro-substituted naphthol derivative, serving as a crucial synthetic intermediate in the production of dyes, pigments, and fine chemicals. Its value lies in its ability to introduce both nitro and hydroxyl functional groups into complex molecular structures, enabling the synthesis of high-value colorants and pharmaceutical precursors. This compound is essential for manufacturers and R&D laboratories in the dye, pigment, agrochemical, and pharmaceutical industries seeking reliable, high-purity building blocks for their synthesis processes.

Application

• Dye and Pigment Intermediate: A key precursor in the synthesis of azo dyes, solvent dyes, and complex organic pigments, contributing to color strength and stability.
• Pharmaceutical Synthesis: Used as a building block in the research and development of active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Agrochemical Manufacturing: Serves as an intermediate in the production of certain herbicides, pesticides, and plant growth regulators.
• Chemical Research: Employed in academic and industrial laboratories for organic synthesis, catalysis studies, and material science research.
• Photographic Chemicals: Can be utilized in the formulation of specialized photographic developers and sensitizers.
• Corrosion Inhibitor Formulation: Acts as a component in formulations designed to protect metals from oxidative degradation.

Basic Information

Product Name	4-Nitro-1-Naphthol
CAS No.	605-62-9
Molecular Formula	C₁₀H₇NO₃
Molecular Weight	189.17 g/mol
Synonyms	4-Nitro-1-naphthalenol; 1-Hydroxy-4-nitronaphthalene; 4-Nitronaphth-1-ol; p-Nitro-α-naphthol; NSC 403697; 1-Naphthol, 4-nitro-; CI 1030
EINECS	210-087-8

Quality Control

Our 4-Nitro-1-Naphthol is produced under a stringent quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR spectroscopy, to ensure it meets exacting standards for industrial and research applications. A detailed Certificate of Analysis (COA) is provided with each shipment, guaranteeing traceability and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be kept in opaque packaging or amber glass.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	158 - 162 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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