Description

4-Amino-2-Nitro-1-Naphthol is a specialized naphthalene derivative distinguished by its amino and nitro functional groups, making it a valuable intermediate in fine chemical synthesis. Its precise molecular structure is critical for producing high-performance dyes, pigments, and advanced materials with specific optical and chemical properties. This compound is essential for manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop novel compounds and colorants.

Application

• Dye and Pigment Intermediate: A key precursor in the synthesis of azo dyes, naphthol dyes, and complex organic pigments for textiles, inks, and plastics.
• Pharmaceutical Synthesis: Serves as a building block for active pharmaceutical ingredients (APIs) and other bioactive molecules in medicinal chemistry research.
• Agrochemical Development: Used in the research and production of advanced pesticides and herbicides.
• Chemical Research: Employed as a standard or reagent in analytical chemistry and organic synthesis studies.
• Material Science: Investigated for use in the development of organic semiconductors, sensors, and other functional materials.

Basic Information

Product Name	4-Amino-2-Nitro-1-Naphthol
CAS No.	319918-83-7
Molecular Formula	C₁₀H₈N₂O₃
Molecular Weight	204.19 g/mol
Synonyms	1-Naphthol, 4-amino-2-nitro-; 4-Amino-2-nitronaphthalen-1-ol; 2-Nitro-4-amino-1-naphthol; 1-Hydroxy-4-amino-2-nitronaphthalene; 4-Amino-2-nitro-1-naphthalenol
EINECS	Contact for details

Quality Control

Our 4-Amino-2-Nitro-1-Naphthol is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC and spectroscopic methods, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Orange to brown powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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