Description

2-Hydroxypropyl Hydrogen Maleate is a versatile bifunctional monomer and chemical intermediate, primarily valued for its ability to introduce both hydroxyl and carboxylic acid functional groups into polymer systems. This compound is crucial for modifying the cross-linking density, hydrophilicity, and adhesion properties of synthetic resins and coatings. It is essential for manufacturers in the polymer, specialty adhesive, and advanced coating industries seeking to enhance product performance and develop novel material formulations.

Application

• Cross-linking Agent in thermosetting acrylic, polyester, and alkyd resins for coatings and composites.
• Reactive Diluent & Modifier in radiation-curable (UV/EB) inks, adhesives, and coatings to improve flexibility and adhesion.
• Polymer Intermediate for the synthesis of specialty polyesters and polyols with tailored properties.
• Adhesion Promoter in primers and surface treatments for metals, plastics, and glass.
• Hydrophilicity Enhancer in water-soluble or dispersible polymer systems.
• Pharmaceutical & Cosmetic Intermediate for synthesizing specific esters and prodrugs.

Basic Information

Product Name	2-Hydroxypropyl Hydrogen Maleate
CAS No.	10099-73-7
Molecular Formula	C7H10O5
Molecular Weight	174.15 g/mol
Synonyms	Hydroxypropyl Hydrogen Maleate; 1,2-Propanediol, mono(2-butenedioate) (9CI); Maleic Acid Mono(2-hydroxypropyl) Ester; 2-Hydroxypropyl Monomaleate; Propylene Glycol Monomaleate; Mono(2-hydroxypropyl) Maleate; HPMA (commonly for the acrylate, verify context)
EINECS	Contact for details

Quality Control

Our 2-Hydroxypropyl Hydrogen Maleate is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing specific results for assay, acidity, and related substances is provided and available upon request to support your quality and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (typically 15-25°C). This material is moisture-sensitive; keep the container tightly sealed when not in use to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 95.0%
Acid Value	Contact for details
Water Content (KF)	≤ 1.0%

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