Description

1,2-Benzenedicarboxylic Acid 1-(4-Hydroxybutyl) Ester is a specialized phthalate derivative, also known as mono(4-hydroxybutyl) phthalate, serving as a key intermediate in the synthesis of advanced polymers and plasticizers. This compound is valued for its reactive hydroxyl group, which enables further chemical modifications to create tailored materials with specific performance characteristics. It is primarily sought by manufacturers in the polymer, coatings, and specialty chemical industries for developing high-performance resins and functional additives.

Application

• Polymer Intermediate: A crucial monomer or co-monomer in the production of specialized polyester and polyurethane resins.
• Plasticizer Synthesis: Used as a precursor for manufacturing high-molecular-weight phthalate plasticizers, which are used to impart flexibility to PVC and other polymers.
• Coating Formulations: Incorporated into coating systems to modify flexibility, adhesion, and durability properties.
• Adhesive & Sealant Production: Acts as a reactive diluent or modifier in the formulation of adhesives and sealants.
• Specialty Chemical Synthesis: Serves as a building block for creating more complex chemical entities in pharmaceutical and agrochemical research.
• Crosslinking Agent: Utilized in thermosetting polymer systems to introduce crosslinks, enhancing thermal and mechanical stability.

Basic Information

Product Name	1,2-Benzenedicarboxylic Acid 1-(4-Hydroxybutyl) Ester
CAS No.	17498-34-9
Molecular Formula	C12H14O5
Molecular Weight	238.24 g/mol
Synonyms	Mono(4-hydroxybutyl) phthalate; 4-Hydroxybutyl hydrogen phthalate; Phthalic acid mono(4-hydroxybutyl) ester; 1-(4-Hydroxybutyl) phthalate; MHBP; 1,2-Benzenedicarboxylic acid, mono(4-hydroxybutyl) ester; Butyl 4-hydroxy phthalate
EINECS	Contact for details

Quality Control

Our production of 1,2-Benzenedicarboxylic Acid 1-(4-Hydroxybutyl) Ester adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including assay, identification, and impurity profiling, to ensure it meets precise customer specifications and industry benchmarks. A Certificate of Analysis (COA) detailing purity, physical characteristics, and test results is provided with every shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases. The product may be hygroscopic; ensure containers are sealed tightly after use to minimize moisture absorption.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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