Description

1,3-Dioxoisobenzofuran-5-Carbaldehyde is a versatile aromatic aldehyde building block characterized by its fused phthalide-like structure. This compound is highly valued for its dual functional groups, which make it a critical intermediate in the synthesis of complex organic molecules. It is primarily sought after by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for developing active ingredients and advanced materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds with fused heterocyclic structures.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and plant growth regulators.
• Organic Synthesis Building Block: Serves as a versatile starting material for constructing complex molecules via reactions at both the aldehyde and anhydride functionalities.
• Dye and Pigment Manufacturing: Intermediate in the production of specialized colorants and functional dyes.
• Polymer Chemistry: Monomer or cross-linking agent for creating specialty polymers with specific thermal or optical properties.
• Research & Development: Essential reagent in academic and industrial R&D for exploring new chemical entities and reaction pathways.

Basic Information

Product Name	1,3-Dioxoisobenzofuran-5-Carbaldehyde
CAS No.	7073-35-0
Molecular Formula	C9H4O4
Molecular Weight	176.13 g/mol
Synonyms	5-Formylisobenzofuran-1,3-dione; 5-Carboxyphthalaldehyde anhydride; 1,3-Dioxo-1,3-dihydroisobenzofuran-5-carboxaldehyde; 5-Formylphthalic anhydride; 5-Aldehydophthalic anhydride; Phthalic anhydride, 5-formyl-; Isobenzofuran-5-carbaldehyde, 1,3-dioxo-
EINECS	Contact for details

Quality Control

Our 1,3-Dioxoisobenzofuran-5-Carbaldehyde is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements of our global clientele. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to guarantee traceability and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Due to its sensitivity to oxidation, it is recommended to handle and store the material under an inert atmosphere for long-term preservation. Keep away from incompatible materials such as strong bases and reducing agents.

Specification

Item	Specification
Appearance	Off-white to pale yellow 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%
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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