Description

3,3'-Ethylidenebis[4-Hydroxy-2-Benzopyrone] is a specialized organic compound belonging to the bis-coumarin class, known for its unique molecular structure and functional properties. This compound serves as a valuable intermediate and active component in advanced chemical synthesis and material science applications. It is particularly relevant for industries focused on developing high-performance additives, specialty polymers, and fine chemicals. Our supply ensures consistent quality and reliable availability for your critical R&D and production needs.

Application

• Pharmaceutical Intermediate: Used in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs), particularly those requiring complex coumarin-based scaffolds.
• Organic Synthesis Building Block: Serves as a key precursor for constructing more complex heterocyclic compounds and functional materials in research laboratories.
• Polymer Additive & Modifier: Imparts specific properties such as UV absorption or thermal stability when incorporated into specialty polymer formulations.
• Fine Chemical Production: Employed in the manufacture of dyes, pigments, and other performance chemicals where its structural features are advantageous.
• Research & Development: A critical reagent for academic and industrial research in medicinal chemistry, materials science, and organic chemistry.
• Analytical Chemistry Standard: Can be utilized as a reference standard or calibration material in chromatographic and spectroscopic analyses.

Basic Information

Item	Details
Product Name	3,3'-Ethylidenebis[4-Hydroxy-2-Benzopyrone]
CAS No.	1821-16-5
Molecular Formula	C20H14O6
Molecular Weight	350.32 g/mol
Synonyms	3,3'-Ethylidenebis(4-hydroxycoumarin); 3,3'-Ethylidenebis(4-hydroxy-2H-chromen-2-one); Ethylidene Dicoumarol; Bis(4-hydroxycoumarin-3-yl)ethane; 1,1'-Ethylidenebis(4-hydroxycoumarin); 3,3'-(1-Ethylidene)bis(4-hydroxycoumarin); Contact for details on additional trade names.
EINECS	Contact for details

Quality Control

Every batch of 3,3'-Ethylidenebis[4-Hydroxy-2-Benzopyrone] is produced and tested under a strict quality management system to ensure it meets the high standards required for industrial and research applications. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as purity, identity, and impurity profiles. Our quality commitment ensures reliable performance and batch-to-batch consistency for your critical processes.

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 incompatible materials. Due to its light-sensitive nature, minimize exposure during handling and transfer.

Specification

Item	Specification
Appearance	Off-white to pale yellow powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.