Description

Biphenyl, 2-Nitro-3,3',4,4'-Tetramethylbiphenyl CAS NO 21113-36-0 is a specialized, substituted biphenyl derivative characterized by its nitro and methyl functional groups, offering unique steric and electronic properties. This compound is valued for its role as a critical synthetic intermediate and building block in advanced organic synthesis. It is primarily required by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for compounds requiring a sterically hindered biphenyl core.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and plant growth regulators where the tetramethylbiphenyl scaffold imparts specific biological activity.
• Ligand and Catalyst Development: Acts as a backbone for creating sophisticated chiral or non-chiral ligands used in asymmetric catalysis and transition metal complexes.
• Advanced Material Research: Employed in the development of organic semiconductors, liquid crystals, and polymers where its molecular structure can influence electronic properties and self-assembly.
• Chemical Research & Development: A versatile building block for academic and industrial research exploring new chemical reactions, heterocyclic compound synthesis, and structure-activity relationships (SAR).

Basic Information

Product Name	Biphenyl, 2-Nitro-3,3',4,4'-Tetramethylbiphenyl
CAS No.	21113-36-0
Molecular Formula	C18H21NO2
Molecular Weight	283.37 g/mol
Synonyms	2-Nitro-3,3',4,4'-tetramethyl-1,1'-biphenyl; 1,1'-Biphenyl, 2-nitro-3,3',4,4'-tetramethyl-; 3,3',4,4'-Tetramethyl-2-nitro-1,1'-biphenyl; 2-Nitro-3,3',4,4'-tetramethylbiphenyl; 2-Nitro-3,3',4,4'-tetramethyl-diphenyl
EINECS	Contact for details

Quality Control

Our Biphenyl, 2-Nitro-3,3',4,4'-Tetramethylbiphenyl is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent lot-to-lot quality. We provide full traceability and detailed Certificates of Analysis (COA) upon request, supporting your quality assurance and regulatory compliance needs for research and scale-up activities.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
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.