Description

Butyl 2-Hydroxyethyl Maleate is a bifunctional monomer and chemical intermediate characterized by its maleate ester and hydroxyl groups. This compound matters for its versatility in polymer synthesis, where it acts as a reactive diluent and cross-linking agent to modify the properties of final resins. Industries such as coatings, adhesives, and specialty polymer manufacturing need it to develop products with enhanced flexibility, adhesion, and durability.

Application

• Coatings & Inks: Used as a reactive diluent and cross-linker in radiation-curable (UV/EB) coatings, inks, and overprint varnishes to improve film flexibility and adhesion.
• Adhesives & Sealants: Serves as a key monomer in the formulation of acrylic and polyester-based adhesives, contributing to tack and cohesive strength.
• Unsaturated Polyester Resins (UPR): Incorporated as a co-monomer to modify resin properties, reducing brittleness and improving impact resistance in composite materials.
• Acrylic Resin Modification: Functions as a co-monomer in acrylic copolymerizations to introduce hydroxyl functionality for subsequent cross-linking reactions.
• Plasticizers & Additives: Acts as an intermediate in the synthesis of specialty plasticizers and polymer additives designed for PVC and other polymers.
• Chemical Synthesis: Employed as a building block in organic synthesis for creating more complex molecules in pharmaceutical and agrochemical research.

Basic Information

Product Name	Butyl 2-Hydroxyethyl Maleate
CAS No.	26469-34-1
Molecular Formula	C10H16O5
Molecular Weight	216.23 g/mol
Synonyms	2-Hydroxyethyl Butyl Maleate; Butyl Hydroxyethyl Maleate; Maleic Acid Butyl 2-Hydroxyethyl Ester; 2-(Butoxycarbonyl)ethyl 2-Hydroxyethyl Maleate; BHME; Butyl (2-hydroxyethyl) maleate; 1-Butyl 2-(2-hydroxyethyl) (Z)-but-2-enedioate
EINECS	Contact for details

Quality Control

Our Butyl 2-Hydroxyethyl Maleate undergoes rigorous quality testing to ensure compliance with industry standards. Each batch is controlled against strict specifications for identity, purity, and key physical parameters. Certificates of Analysis (COA) documenting these results are available upon request to support your quality assurance and regulatory needs.

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 bases and incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC or HPLC)	≥ 98.0%
Color (APHA)	≤ 50
Acid Value	≤ 1.0 mg KOH/g
Water Content (KF)	≤ 0.2%
Refractive Index (20°C)	1.460 - 1.470
Density (20°C)	1.10 - 1.15 g/cm³

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