Description

4,4'-Ddnu CAS NO 2642-81-1 is a specialized organic chemical compound with significant utility in advanced material synthesis and pharmaceutical research. Its value lies in its role as a key intermediate or building block for creating complex molecular architectures. This product is essential for research and development chemists, process engineers, and manufacturers operating in the fine chemicals, agrochemicals, and advanced polymer sectors.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of active pharmaceutical ingredients (APIs) and novel drug candidates.
• Agrochemical Synthesis: Used in the development and production of advanced pesticides, herbicides, and plant growth regulators.
• Polymer & Material Science: Acts as a monomer or cross-linking agent in the creation of specialty polymers, resins, and high-performance materials.
• Organic Synthesis & Research: A valuable building block for academic and industrial research in organic chemistry, enabling the construction of complex heterocyclic compounds.
• Dye & Pigment Manufacturing: Employed in the synthesis of specialized dyes, pigments, and optical brighteners.
• Liquid Crystal & Electronic Materials: Used in the production of components for liquid crystal displays (LCDs) and other electronic applications.

Basic Information

Product Name	4,4'-Ddnu
CAS No.	2642-81-1
Molecular Formula	C14H8N2O4
Molecular Weight	268.23 g/mol
Synonyms	4,4'-Dinitrodiphenyl Ether; 1,1'-Oxybis(4-nitrobenzene); Bis(4-nitrophenyl) Ether; 4-Nitrophenyl Ether; 4,4'-Dinitrodiphenyl Oxide; p,p'-Dinitrodiphenyl Ether; DNDPE
EINECS	220-161-7

Quality Control

Our 4,4'-Ddnu is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation (IR), to ensure it meets the high standards required for industrial and research applications. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat sources and incompatible materials. Due to its light-sensitive nature, containers should be kept in opaque packaging or amber glass.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	142 - 146 °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.