Description

2-(Acryloyloxy)Ethyl Acetoacetate is a versatile bifunctional monomer featuring both an acrylate group and an acetoacetate moiety within its molecular structure. This dual functionality makes it a critical reactive intermediate for introducing cross-linking sites and modifying polymer properties. It is essential for manufacturers in the coatings, adhesives, and specialty polymer industries seeking to enhance product performance through advanced chemical synthesis.

Application

• UV-Curable Coatings and Inks: Acts as a reactive diluent and cross-linking agent, improving film hardness, adhesion, and chemical resistance.
• Acrylic Polymer Modification: Used to incorporate acetoacetate functional groups into polymer backbones for subsequent reactions with amines or other cross-linkers.
• Adhesive Formulations: Enhances the bonding strength and durability of structural and pressure-sensitive adhesives.
• Thermoset Resins: Serves as a co-monomer in the production of high-performance, cross-linked polyester and acrylic resins.
• Biomedical Hydrogels: Utilized in the synthesis of cross-linked hydrogel networks for controlled drug delivery and tissue engineering applications.
• Automotive and Industrial Finishes: Contributes to the development of scratch-resistant and weatherable topcoat formulations.

Basic Information

Product Name	2-(Acryloyloxy)Ethyl Acetoacetate
CAS No.	21282-96-2
Molecular Formula	C9H12O5
Molecular Weight	200.19 g/mol
Synonyms	Acetoacetic Acid 2-(Acryloyloxy)ethyl Ester; 2-(Acryloyloxy)ethyl 3-oxobutanoate; Acryloxyethyl Acetoacetate; AAEMA; 2-((3-Oxobutanoyl)oxy)ethyl acrylate; Ethylene glycol acrylate acetoacetate; 2-Hydroxyethyl acrylate acetoacetate; 2-Propenoic acid, 2-(3-oxobutanoyl)oxy)ethyl ester
EINECS	244-317-5

Quality Control

Our 2-(Acryloyloxy)Ethyl Acetoacetate is produced under a stringent quality management system to ensure batch-to-batch consistency and high purity. Each lot is analyzed against comprehensive specifications, including assay, identity, and impurity profiles. A Certificate of Analysis (COA) documenting all test results is provided with every shipment 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). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature and reactivity with strong acids and organic solvents, ensure proper segregation from incompatible materials. For long-term storage, consider under an inert atmosphere to maintain optimal quality.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0 %
Color (APHA)	≤ 50
Water Content (KF)	≤ 0.5 %
Acid Value	≤ 1.0 mg KOH/g
Inhibitor (MEHQ)	100 - 200 ppm

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