Description

Mono(4-Carboxybutyl) Phthalate CAS NO 92569-48-7 is a specialized phthalate derivative, a key chemical intermediate in the synthesis of advanced polymers and plasticizers. Its bifunctional structure, featuring both a carboxylic acid and a phthalate ester group, makes it a versatile building block for creating materials with tailored properties. This compound is primarily utilized by manufacturers in the polymer, specialty chemical, and pharmaceutical industries for research and development, as well as in high-value production processes.

Application

• Polymer Modification: Acts as a reactive intermediate in the synthesis of specialized polyesters and polyamides, imparting flexibility and specific functional groups to the polymer chain.
• Plasticizer Precursor: Serves as a key starting material for the production of high-performance, low-migration plasticizers used in sensitive applications like medical devices and food-contact materials.
• Cross-linking Agent: Utilized in the formulation of coatings, adhesives, and elastomers where its carboxylic acid group can participate in cross-linking reactions to enhance durability and chemical resistance.
• Pharmaceutical Intermediate: Employed in the research and synthesis of active pharmaceutical ingredients (APIs) and prodrugs due to its metabolically labile ester linkage.
• Liquid Crystal & OLED Material Synthesis: Used as a building block in the development of organic electronic materials and liquid crystal compounds.
• Analytical Chemistry: Functions as a reference standard or derivatization agent in chromatographic analysis for quality control in related chemical processes.

Basic Information

Product Name	Mono(4-Carboxybutyl) Phthalate
CAS No.	92569-48-7
Molecular Formula	C₁₃H₁₄O₆
Molecular Weight	266.25 g/mol
Synonyms	4-Carboxybutyl Hydrogen Phthalate; 5-(1,3-Dioxo-1,3-dihydro-2H-isoindol-2-yl)pentanoic Acid; 2-(4-Carboxybutyl)-1H-isoindole-1,3(2H)-dione; Mono(4-Carboxybutyl) Phthalate Ester; Phthalic Acid Mono(4-Carboxybutyl) Ester; 4-Carboxybutyl Phthalate; Pentanedioic Acid, 1-(1,3-Dihydro-1,3-dioxo-2H-isoindol-2-yl)-; 2-(4-Carboxybutyl)isoindoline-1,3-dione
EINECS	Contact for details

Quality Control

Our Mono(4-Carboxybutyl) Phthalate is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure high purity, consistency, and identity conforming to customer specifications and relevant industry standards. Comprehensive Certificates of Analysis (COA) detailing purity, assay, and impurity profiles are available upon request for full traceability and quality assurance.

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, strong oxidizing agents, and sources of ignition. For long-term storage, consider an inert atmosphere to maintain product integrity.

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%
Heavy Metals	≤ 10 ppm
Residue on Ignition	≤ 0.1%

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