Description

3-(2-Hydroxyethoxy)Propanoic Acid is a versatile bifunctional organic compound featuring both a carboxylic acid and a hydroxyl-terminated ether group. This unique structure makes it a valuable intermediate for synthesizing polymers, specialty esters, and functional materials where controlled hydrophilicity and reactivity are required. It is particularly sought after by manufacturers in the pharmaceutical, personal care, and polymer industries for its utility as a building block and a modifier.

Application

• Polymer Synthesis: Key monomer or chain extender for producing water-soluble or biodegradable polyesters and polyurethanes.
• Pharmaceutical Intermediates: Used in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs requiring hydrophilic linkers.
• Personal Care & Cosmetics: Serves as a precursor for mild surfactants, emulsifiers, and humectants in skincare formulations.
• Lubricants & Functional Fluids: Building block for creating synthetic esters with excellent lubricity and thermal stability.
• Adhesives and Sealants: Modifier to enhance flexibility, adhesion, and moisture resistance in various resin systems.
• Chemical Intermediate: Versatile starting material for further chemical transformations to create specialty esters, ethers, and amides.

Basic Information

Product Name	3-(2-Hydroxyethoxy)Propanoic Acid
CAS No.	89211-34-7
Molecular Formula	C5H10O4
Molecular Weight	134.13 g/mol
Synonyms	2-(2-Hydroxyethoxy)propanoic Acid; 3-(2-Hydroxyethoxy)propionic Acid; β-(2-Hydroxyethoxy)propionic Acid; HEP Acid; 2-(2-Hydroxyethoxy)propionic Acid; 3-(2-Hydroxyethoxy)propanoic Acid; Ethylene Glycol Monopropyl Ether Carboxylic Acid
EINECS	Contact for details

Quality Control

Our 3-(2-Hydroxyethoxy)Propanoic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including assay, identity confirmation, and impurity profiling, to ensure it meets precise specifications and is suitable for its intended industrial applications. Certificates of Analysis (COA) documenting purity, physical properties, and safety data are available upon request to support your quality assurance protocols.

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.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Refractive Index (20°C)	1.450 - 1.460
Density (20°C)	1.18 - 1.22 g/mL

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