Description

1,2-Benzenedicarboxylic Acid Mono(2-Hydroxy-2-Methylpropyl) Ester is a specialized organic ester derived from phthalic acid, valued for its role as a reactive intermediate and plasticizer component. This compound is essential for formulators seeking to modify polymer properties, enhance flexibility, or introduce specific functional groups into a chemical synthesis. It is primarily utilized in the production of advanced polymers, coatings, adhesives, and specialty chemical synthesis for industrial applications.

Application

• Polymer and Resin Modification: Acts as a reactive monomer or plasticizer intermediate in the production of unsaturated polyester resins (UPR) and alkyd resins.
• Coating Formulations: Used to improve flexibility, adhesion, and durability in high-performance industrial and protective coatings.
• Adhesive and Sealant Systems: Serves as a key ingredient to enhance bond strength and elasticity in various adhesive formulations.
• Specialty Chemical Synthesis: Functions as a versatile building block for synthesizing more complex esters, surfactants, and lubricant additives.
• PVC and Polymer Plasticizers: Employed as an intermediate in the manufacture of phthalate-based and alternative plasticizer systems.

Basic Information

Product Name	1,2-Benzenedicarboxylic Acid Mono(2-Hydroxy-2-Methylpropyl) Ester
CAS No.	64339-39-5
Molecular Formula	C13H16O5
Molecular Weight	252.26 g/mol
Synonyms	Mono(2-hydroxy-2-methylpropyl) phthalate; 2-Hydroxy-2-methylpropyl hydrogen phthalate; Phthalic acid mono(2-hydroxy-2-methylpropyl) ester; 1,2-Benzenedicarboxylic acid, mono(2-hydroxy-2-methylpropyl) ester; Hydroxypropyl phthalate; HMPhP; Phthalic acid monoisobutyl ester glycolate (related); Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our 1,2-Benzenedicarboxylic Acid Mono(2-Hydroxy-2-Methylpropyl) Ester is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical specifications is provided with each shipment to guarantee it meets your technical requirements.

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 oxidizing agents, strong acids, and strong bases. The container should be kept tightly sealed when not in use to minimize moisture absorption.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Acid Value	Contact for details
Hydroxyl Value	Contact for details
Specific Gravity (20°C)	~1.18 - 1.22

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