Description

4,4'-Dinitrobiphenyl is a high-purity, aromatic nitro compound with the CAS registry number 1528-74-1. This chemical serves as a critical synthetic intermediate and building block in advanced organic synthesis, valued for its defined structure and reactivity. It is essential for research and development laboratories, pharmaceutical synthesis, and the production of specialty dyes and polymers where precise molecular architecture is required.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Agrochemical Synthesis: Used in the research and development of advanced herbicides, pesticides, and plant growth regulators.
• Dye and Pigment Manufacturing: Acts as a foundational component for producing high-performance azo dyes and other colorants.
• Polymer Chemistry: Employed as a monomer or cross-linking agent in the development of specialty polymers and advanced materials.
• Chemical Research: Utilized in academic and industrial R&D for studying reaction mechanisms and developing new synthetic methodologies.
• Liquid Crystal & OLED Materials: Serves as a building block in the synthesis of organic electronic materials.

Basic Information

Product Name	4,4'-Dinitrobiphenyl
CAS No.	1528-74-1
Molecular Formula	C12H8N2O4
Molecular Weight	244.20 g/mol
Synonyms	4,4'-Dinitro-1,1'-biphenyl; 4,4'-Dinitrodiphenyl; p,p'-Dinitrobiphenyl; 1,1'-Biphenyl, 4,4'-dinitro-; Dinitrobiphenyl; Biphenyl, 4,4'-dinitro-; DNBP
EINECS	216-207-7

Quality Control

Our 4,4'-Dinitrobiphenyl is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. A detailed Certificate of Analysis (COA) is provided with each shipment, guaranteeing traceability and consistent quality.

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. This material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	238°C - 242°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.