Description

4-Nitrosodiphenylamine is an important organic intermediate and chemical building block characterized by its nitroso functional group attached to a diphenylamine core. This compound matters for its role in synthesizing more complex molecules, including dyes, antioxidants, and rubber chemicals, where it acts as a precursor or stabilizer. Industries that need it include specialty chemical manufacturing, polymer and rubber production, and research & development laboratories focusing on organic synthesis and material science.

Application

• Key intermediate in the synthesis of various dyes and pigments.
• Precursor for antioxidants and stabilizers used in polymer and rubber industries.
• Chemical reagent in organic synthesis research for constructing nitrogen-containing heterocycles.
• Used in the development of photographic chemicals and light-sensitive materials.
• Potential corrosion inhibitor in specialized industrial formulations.
• Starting material for the production of other functionalized diphenylamine derivatives.

Basic Information

Item	Details
Product Name	4-Nitrosodiphenylamine
CAS No.	156-10-5
Molecular Formula	C12H10N2O
Molecular Weight	198.22 g/mol
Synonyms	p-Nitrosodiphenylamine; N-(4-Nitrosophenyl)aniline; 4-Nitroso-N-phenylaniline; Diphenylamine, 4-nitroso-; 4-Nitrosodiphenyl amine; 4-NO-DPA; CI 10300; Fast Scarlet G Base
EINECS	205-850-1

Quality Control

Our 4-Nitrosodiphenylamine is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the specifications required for industrial and research applications. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request to support your quality assurance protocols.

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, prolonged exposure to light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Green to brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	144 - 148 °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.