Description

4-Amino-2-Nitrophenol is a versatile aromatic compound featuring both amino and nitro functional groups on a phenolic ring. This unique structure makes it a valuable intermediate in the synthesis of complex dyes, pigments, and other specialty chemicals. It is primarily sought after by manufacturers in the dyestuff, pharmaceutical, and agrochemical industries for its role in creating colorants and active molecular frameworks.

Application

• Dye and Pigment Intermediate: A key building block for the synthesis of azo dyes, hair dyes, and other complex organic colorants.
• Pharmaceutical Synthesis: Used as a precursor in the manufacture of certain active pharmaceutical ingredients (APIs) and diagnostic agents.
• Agrochemical Production: Serves as an intermediate in the synthesis of pesticides and herbicides.
• Chemical Research & Development: Employed in organic synthesis and as a standard or reagent in analytical chemistry laboratories.
• Photographic Chemicals: Can be used in the formulation of certain 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-2-Nitrophenol
CAS No.	119-34-6
Molecular Formula	C6H6N2O3
Molecular Weight	154.12 g/mol
Synonyms	2-Nitro-4-aminophenol; 4-Amino-2-nitrophenol; 2-Nitro-4-hydroxyaniline; 4-Hydroxy-2-nitroaniline; C.I. 76530; 1-Amino-2-nitro-4-hydroxybenzene; 4-Amino-2-nitro-1-hydroxybenzene; 2-Nitro-1-amino-4-hydroxybenzene
EINECS	204-316-7

Quality Control

Our 4-Amino-2-Nitrophenol is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets defined specifications for purity, identity, and impurity profiles. A comprehensive Certificate of Analysis (COA) detailing results from HPLC, IR, and other relevant tests is provided with every shipment to guarantee traceability and compliance.

Storage

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

Specification

Item	Specification
Appearance	Yellow to orange-brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	140 - 145 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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