Description

n-Nitroaniline CAS NO 645-55-6 is a versatile aromatic amine derivative, serving as a critical intermediate in the synthesis of complex organic molecules. Its nitro and amino functional groups make it a valuable precursor for azo dyes, pigments, and various fine chemicals. This compound is essential for manufacturers and R&D laboratories in the dye, pharmaceutical, and agrochemical industries seeking reliable, high-purity building blocks for their synthesis processes.

Application

• Dye and Pigment Manufacturing: A key intermediate in the production of azo dyes and organic pigments, imparting color to textiles, inks, and plastics.
• Pharmaceutical Synthesis: Used as a building block in the research and development of active pharmaceutical ingredients (APIs) and other bioactive compounds.
• Agrochemical Production: Serves as a precursor in the synthesis 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 specific photographic developers and other light-sensitive materials.
• Corrosion Inhibitors: Acts as an intermediate in the production of specialty chemicals used to protect metals from corrosion.

Basic Information

Product Name	n-Nitroaniline
CAS No.	645-55-6
Molecular Formula	C6H6N2O2
Molecular Weight	138.12 g/mol
Synonyms	4-Nitroaniline; p-Nitroaniline; 1-Amino-4-nitrobenzene; PNA; Azofix Red GG Base; C.I. 37035; C.I. Azoic Diazo Component 37; Devol Red GG; Diazo Fast Red GG; Fast Red Base GG; Naphtoelan Red GG Base; Nitrazol CF Extra; Shinnippon Fast Red GG Base
EINECS	211-439-1

Quality Control

Our n-Nitroaniline is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and physical properties. A comprehensive Certificate of Analysis (COA) detailing results for assay, impurity profile, and other critical parameters is provided with every shipment to guarantee traceability and consistency for your production needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong oxidizing agents, strong acids, and strong bases. Recommended storage temperature is 15-25°C. Keep container tightly sealed when not in use to prevent contamination.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.0%
Melting Point	146 - 149 °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.