Description

2-Hydroxyethyl Hydrogen Phthalate is a versatile organic ester compound, also known as mono(2-hydroxyethyl) phthalate. This chemical serves as a crucial intermediate and functional additive in advanced material synthesis, valued for its bifunctional structure containing both a carboxylic acid and a hydroxyl group. It is essential for manufacturers in the polymer, pharmaceutical, and specialty chemical industries seeking to modify material properties or synthesize complex molecules.

Application

• Polymer Industry: Acts as a reactive intermediate and chain modifier in the production of unsaturated polyester resins (UPR) and alkyd resins.
• Plasticizer Synthesis: Serves as a key precursor in the manufacture of specialized, higher molecular weight polymeric plasticizers.
• Pharmaceutical Intermediates: Utilized in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs due to its ester linkage capability.
• Crosslinking Agent: Functions as a crosslinker or curing agent in epoxy and other thermosetting polymer systems.
• Adhesive & Coating Formulations: Incorporated to enhance adhesion, flexibility, and durability in industrial coatings and adhesive products.
• Chemical Research: Used as a building block in organic synthesis and material science research for creating novel compounds.

Basic Information

Product Name	2-Hydroxyethyl Hydrogen Phthalate
CAS No.	17689-42-8
Molecular Formula	C10H10O5
Molecular Weight	210.18 g/mol
Synonyms	Mono(2-hydroxyethyl) phthalate; 2-Hydroxyethyl phthalate; Ethylene glycol monophthalate; Phthalic acid mono(2-hydroxyethyl) ester; Glycol monophthalate; HEHP; 1,2-Ethanediol, 1-phthalate; 2-Hydroxyethyl hydrogen 1,2-benzenedicarboxylate
EINECS	241-707-9

Quality Control

Our 2-Hydroxyethyl Hydrogen Phthalate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for identity, purity, and impurity profiles. A Certificate of Analysis (COA) detailing the results is provided with every shipment to guarantee traceability and batch-to-batch consistency for your critical processes.

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 bases, and sources of heat.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm

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