Description

4,4'-Dimethoxystilbene is a high-purity organic compound belonging to the stilbene derivative family. This versatile intermediate is valued for its role in synthesizing advanced materials and fine chemicals, where consistent quality and reliable supply are paramount. It is primarily sought after by manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and specialty chemical sectors for its utility in creating complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Agrochemical Synthesis: Used in the production of advanced crop protection agents and plant growth regulators.
• Optical Brightener Precursor: Serves as a critical intermediate in the manufacture of fluorescent whitening agents for paper, textiles, and detergents.
• Liquid Crystal Material Research: Investigated as a core component or precursor in the development of organic electronic materials and liquid crystal displays (LCDs).
• Organic Synthesis & Research: Employed in academic and industrial R&D for cross-coupling reactions and as a model compound in photochemical studies.
• UV Absorber & Stabilizer Development: Utilized in the research and formulation of polymers and coatings to enhance resistance to ultraviolet light degradation.

Basic Information

Product Name	4,4'-Dimethoxystilbene
CAS No.	1588-49-4
Molecular Formula	C16H16O2
Molecular Weight	240.30 g/mol
Synonyms	trans-4,4'-Dimethoxystilbene; 1,1'-(1,2-Ethenediyl)bis[4-methoxybenzene]; 4,4'-Dimethoxy-1,2-diphenylethylene; (E)-4,4'-Dimethoxystilbene; p,p'-Dimethoxystilbene; Stilbene, 4,4'-dimethoxy-; NSC 122047; Bis(4-methoxyphenyl)ethylene
EINECS	216-432-7

Quality Control

Our 4,4'-Dimethoxystilbene is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC and GC analysis, to ensure it meets the high-purity standards required for sensitive synthesis applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles 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, prolonged exposure to direct light should be avoided.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	213 - 217 °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.