Description

4-Amino-3-Nitrophenol is a versatile aromatic compound featuring both amino and nitro functional groups on the phenol ring. This unique structure makes it a valuable intermediate for synthesizing complex molecules, particularly dyes and pigments, where it contributes to color development and stability. It is essential for manufacturers in the chemical synthesis, agrochemical, and specialty dye industries seeking reliable, high-purity building blocks for their production processes.

Application

• Dye and Pigment Intermediate: A key precursor in the synthesis of azo dyes, hair dyes, and other complex colorants.
• Pharmaceutical Synthesis: Used as a building block for creating active pharmaceutical ingredients (APIs) and other fine chemicals.
• Agrochemical Production: Serves as an intermediate in the manufacture of certain pesticides and herbicides.
• Chemical Research & Development: Employed in organic synthesis and as a standard or reagent in laboratory settings.
• Photographic Chemicals: Can be utilized in the formulation of specific photographic developers and sensitizers.
• Polymer Additives: Potential use as a monomer or modifier in the production of specialty polymers.

Basic Information

Product Name	4-Amino-3-Nitrophenol
CAS No.	610-81-1
Molecular Formula	C6H6N2O3
Molecular Weight	154.12 g/mol
Synonyms	3-Nitro-4-aminophenol; 4-Amino-3-nitrophenol; 1-Hydroxy-2-amino-5-nitrobenzene; 2-Amino-5-nitrophenol; 5-Nitro-2-aminophenol; C.I. 76530; 4-Amino-3-nitro-1-phenol; Phenol, 4-amino-3-nitro-
EINECS	210-236-0

Quality Control

Our 4-Amino-3-Nitrophenol is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting specifications for industrial and fine chemical synthesis. Certificates of Analysis (COA) detailing all test results are provided with every shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is light-sensitive and easily oxidized; prolonged exposure to air and light should be avoided to maintain stability and purity.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	145 - 150 °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.