Description

5-(2-Hydroxyethoxy) Isophthalic Acid is a functionalized aromatic dicarboxylic acid derivative, serving as a key intermediate in the synthesis of high-performance polymers and specialty chemicals. Its molecular structure, featuring both carboxylic acid and ether-alcohol functionalities, provides versatile reactivity for creating materials with tailored properties. This compound is essential for R&D and production in industries such as advanced polymer manufacturing, coatings, and pharmaceutical synthesis, where precise molecular architecture is required.

Application

• Polymer Intermediate: A key monomer for the synthesis of co-polyesters and polyamides, imparting flexibility and hydrophilicity to the final polymer chain.
• Coating Resins: Used in the formulation of high-performance, water-soluble or dispersible coating resins for industrial and automotive applications.
• Pharmaceutical Synthesis: Serves as a versatile building block for creating active pharmaceutical ingredients (APIs) and drug delivery system components.
• Adhesive Formulations: Incorporated into adhesive systems to enhance bonding strength and environmental resistance.
• Specialty Plasticizers: Acts as a precursor for producing novel, high-molecular-weight plasticizers with low migration rates.
• Cross-linking Agent: Utilized in thermosetting resins and composites to improve thermal stability and mechanical properties.

Basic Information

Product Name	5-(2-Hydroxyethoxy) Isophthalic Acid
CAS No.	152845-29-9
Molecular Formula	C10H10O6
Molecular Weight	226.18 g/mol
Synonyms	5-(2-Hydroxyethoxy)benzene-1,3-dicarboxylic acid; Isophthalic acid, 5-(2-hydroxyethoxy)-; 1,3-Benzenedicarboxylic acid, 5-(2-hydroxyethoxy)-; HEIA; 5-(2-Hydroxyethoxy)isophthalate
EINECS	Contact for details

Quality Control

Our 5-(2-Hydroxyethoxy) Isophthalic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay, impurity profiling, and identity confirmation, to ensure it meets precise customer specifications and industry standards. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and batch-to-batch consistency.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product quality and handling properties.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 2.0%

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