Description

5-Benzylidene-1,3-Dioxolane-2,4-Dione is a specialized organic compound belonging to the class of benzylidene-protected malonic acid derivatives. This high-purity intermediate is valued for its role as a versatile building block in advanced organic synthesis and pharmaceutical research. It is primarily utilized by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring protected carboxyl or malonyl groups.
• Organic Synthesis Building Block: Used in Knoevenagel condensations and other C-C bond-forming reactions to introduce the benzylidene-malonate moiety into target molecules.
• Agrochemical Research: Serves as an intermediate in the development of novel herbicides, fungicides, and plant growth regulators.
• Material Science: Investigated as a monomer or cross-linking agent for the development of specialized polymers and functional materials.
• Academic & R&D Laboratories: Employed in methodological studies and the discovery of new synthetic pathways in organic chemistry.

Basic Information

Product Name	5-Benzylidene-1,3-Dioxolane-2,4-Dione
CAS No.	21045-10-3
Molecular Formula	C10H6O4
Molecular Weight	190.15 g/mol
Synonyms	Benzylidenemalonic Anhydride; 2,4-Dioxo-5-benzylidene-1,3-dioxolane; 5-Benzylidene-2,4-dioxo-1,3-dioxolane; Benzylidenepyruvic Anhydride; (Benzylidene)malonic Anhydride; 1,3-Dioxolane-2,4-dione, 5-benzylidene-; α-Benzylidenemalonic Anhydride
EINECS	Contact for details

Quality Control

Our 5-Benzylidene-1,3-Dioxolane-2,4-Dione is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements of research and industrial applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance protocols.

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 strong bases and oxidizing agents. This compound is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (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.