Description

4,4'-Dinitrostilbene is an important organic intermediate characterized by its distinct aromatic structure. This compound matters for its role as a versatile precursor in the synthesis of more complex molecules, particularly in the production of dyes, pigments, and optical brighteners. Industries such as specialty chemicals, advanced materials, and pharmaceutical research require this high-purity intermediate for their development and manufacturing processes.

Application

• Dye and Pigment Intermediate: A key building block in the synthesis of stilbene-based dyes, optical brighteners, and fluorescent whitening agents.
• Organic Synthesis: Serves as a versatile precursor for the preparation of more complex stilbene derivatives and other fine chemicals.
• Research & Development: Used in academic and industrial R&D for studying nitro-aromatic compounds and their reactivity.
• Material Science: Investigated for potential applications in the development of advanced organic materials and molecular electronics.
• Pharmaceutical Intermediates: May be utilized in the synthesis pathway for certain active pharmaceutical ingredients (APIs).

Basic Information

Product Name	4,4'-Dinitrostilbene
CAS No.	25010-20-2
Molecular Formula	C14H10N2O4
Molecular Weight	270.24 g/mol
Synonyms	trans-4,4'-Dinitrostilbene; (E)-1,2-Bis(4-nitrophenyl)ethene; 4,4'-Dinitro-1,2-diphenylethylene; Stilbene, 4,4'-dinitro-; Dinitrostilbene; DNST; NSC 404124; (E)-4,4'-Dinitrostilbene
EINECS	Contact for details

Quality Control

Our 4,4'-Dinitrostilbene is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. The product undergoes rigorous analytical testing, including HPLC for assay and purity determination, to meet exacting customer specifications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to guarantee compliance with your requirements.

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, sparks, and open flame. Due to its light-sensitive nature, containers should be kept in the original packaging or an opaque secondary container until use.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	285 - 290 °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.