Description

cis-4,4'-Dinitrostilbene is a high-purity organic chemical compound, a specific isomer of dinitrostilbene, valued for its role as a key synthetic intermediate in advanced chemical manufacturing. Its defined molecular structure makes it a critical building block for the synthesis of complex molecules, including dyes, optical brighteners, and specialized polymers. This product is essential for R&D laboratories and industrial producers in the fine chemicals, specialty materials, and pharmaceutical intermediates sectors seeking reliable, high-quality raw materials.

Application

• Synthesis of Optical Brighteners and Fluorescent Dyes: A crucial precursor in manufacturing stilbene-based optical brighteners used in paper, textiles, and detergents.
• Pharmaceutical Intermediate: Serves as a key building block in the research and development of novel active pharmaceutical ingredients (APIs).
• Advanced Material Research: Used in the development of organic semiconductors, liquid crystals, and other functional materials due to its conjugated structure.
• Fine Chemical Synthesis: Employed as a specialized intermediate for creating complex organic compounds in agrochemical and specialty chemical production.
• Analytical Reference Standard: Provides a high-purity standard for analytical testing, quality control, and method development in chemical analysis.

Basic Information

Product Name	cis-4,4'-Dinitrostilbene
CAS No.	619-93-2
Molecular Formula	C14H10N2O4
Molecular Weight	270.24 g/mol
Synonyms	(Z)-4,4'-Dinitrostilbene; (cis)-4,4'-Dinitro-1,2-diphenylethene; cis-1,2-Bis(4-nitrophenyl)ethene; 4,4'-Dinitrostilbene (cis-isomer); (Z)-1,2-Bis(4-nitrophenyl)ethylene; DNST; Stilbene, 4,4'-dinitro-, (Z)-
EINECS	210-617-3

Quality Control

Every batch of cis-4,4'-Dinitrostilbene is manufactured and tested under a strict quality management system to ensure consistency and reliability. Our products undergo rigorous quality testing, including chromatographic purity analysis and identity confirmation, to meet the high standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment and is available upon request.

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 orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
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.