Description

1,3-Dihydro-1,3-Dioxo-5-Isobenzofurancarboxylic Acid Octyl Ester is a specialized organic ester derivative of a phthalic acid analog, valued for its role as a versatile chemical intermediate and functional additive. Its molecular structure offers unique properties for modifying polymer characteristics and synthesizing advanced materials. This compound is essential for manufacturers in the polymer, coatings, and specialty chemical industries seeking to enhance product performance and develop new formulations.

Application

• As a plasticizer or modifier in polymer and resin formulations to improve flexibility and processing.
• An intermediate in the synthesis of specialty dyes, pigments, and optical brighteners.
• A key building block for pharmaceutical intermediates and active ingredient synthesis.
• Used in the production of advanced coating materials for enhanced durability and specific surface properties.
• As a functional additive in adhesive and sealant chemistries.
• Potential use in the research and development of organic electronic materials.

Basic Information

Product Name	1,3-Dihydro-1,3-Dioxo-5-Isobenzofurancarboxylic Acid Octyl Ester
CAS No.	22485-49-0
Molecular Formula	C17H20O5
Molecular Weight	304.34 g/mol
Synonyms	5-Carboxyphthalide Octyl Ester; Octyl 1,3-Dioxo-1,3-dihydroisobenzofuran-5-carboxylate; 5-(Octyloxycarbonyl)phthalide; Isobenzofuran-5-carboxylic Acid, 1,3-Dihydro-1,3-dioxo-, Octyl Ester; Phthalide-5-carboxylic Acid Octyl Ester; 5-Phthalidecarboxylic Acid Octyl Ester
EINECS	Contact for details

Quality Control

Our 1,3-Dihydro-1,3-Dioxo-5-Isobenzofurancarboxylic Acid Octyl Ester is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all relevant specifications are provided and 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 incompatible organic solvents. For long-term storage, consider an inert atmosphere to maintain optimal purity.

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.