Description

Allyl Hydrogen 2-Butenedioate is a specialized organic ester compound with the CAS registry number 44981-48-8. This chemical serves as a valuable reactive intermediate and monomer in advanced polymer synthesis and specialty chemical manufacturing. It is primarily sought by industrial R&D and production teams in the polymer, coatings, and adhesive sectors for its ability to introduce functional allyl groups into complex molecular architectures.

Application

• Polymer & Resin Modification: Acts as a reactive diluent and cross-linking agent in the production of unsaturated polyester resins and specialty polymers.
• Coatings & Inks Formulation: Used to synthesize functional monomers that enhance the flexibility, adhesion, and curing properties of industrial coatings and printing inks.
• Adhesive & Sealant Production: Incorporated as a key intermediate to develop high-performance acrylic and pressure-sensitive adhesives with improved tack and cohesion.
• Chemical Synthesis Intermediate: Serves as a versatile building block for organic synthesis, particularly in creating complex esters, plasticizers, and other fine chemicals.
• Surface Treatment Agents: Utilized in the formulation of surface modifiers and primers to improve substrate wetting and bonding.

Basic Information

Product Name	Allyl Hydrogen 2-Butenedioate
CAS No.	44981-48-8
Molecular Formula	C7H8O4
Molecular Weight	156.14 g/mol
Synonyms	Allyl Hydrogen Maleate; Allyl Monomaleate; 2-Butenedioic Acid, Mono(2-propenyl) Ester; Monoallyl Maleate; Allyl Acid Maleate; Propenyl Hydrogen Maleate; (2-Propenyl) Hydrogen Maleate
EINECS	Contact for details

Quality Control

Our Allyl Hydrogen 2-Butenedioate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistent purity, identity, and performance. Certificates of Analysis (COA) detailing key specifications such as assay, impurity profile, and physical properties are provided to guarantee compliance with your technical requirements.

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). This material is easily oxidized and should be handled under an inert atmosphere when appropriate to maintain stability. Keep away from strong oxidizing agents, strong bases, and heat sources.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 97.0%
Water Content	≤ 0.5%
Refractive Index	1.470 - 1.480
Density	1.15 - 1.25 g/cm³

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