Description

Diethyl 2,2'-Azobis[2-Methylpropionate] is a highly efficient, low-temperature azo initiator widely used in free-radical polymerization processes. Its primary value lies in its ability to generate free radicals at moderate temperatures, enabling precise control over polymer molecular weight and structure. This compound is essential for manufacturers in the polymer and specialty chemical industries, particularly for producing acrylic resins, styrenic polymers, and other high-performance materials where controlled initiation is critical.

Application

• Polymer Synthesis: As a key initiator for the free-radical polymerization of vinyl monomers such as methyl methacrylate (MMA), styrene, and acrylates.
• Acrylic Resin Production: Used in the manufacture of coatings, adhesives, and sealants where controlled molecular weight distribution is required.
• Styrenic Polymer Modification: Initiates polymerization for high-impact polystyrene (HIPS) and acrylonitrile-butadiene-styrene (ABS) resins.
• Specialty Oligomers: Facilitates the synthesis of defined low-molecular-weight polymers and macromonomers.
• Cross-linking Agent: Employed in the production of cross-linked polymer networks for gels and elastomers.
• Research & Development: A valuable tool in academic and industrial R&D for studying polymerization kinetics and mechanisms.

Basic Information

Product Name	Diethyl 2,2'-Azobis[2-Methylpropionate]
CAS No.	3879-07-0
Molecular Formula	C12H22N4O4
Molecular Weight	286.33 g/mol
Synonyms	2,2'-Azobis(2-methylpropionic acid) diethyl ester; Diethyl 2,2'-azobis(isobutyrate); Ethyl 2,2'-azobis(2-methylpropionate); V-601 (Fujifilm Wako); AMVN (2,2'-Azobis(2,4-dimethylvaleronitrile) analog); Thermolabile azo initiator; Low-temperature azo initiator; EGDMA initiator (contextual)
EINECS	223-396-8

Quality Control

Our Diethyl 2,2'-Azobis[2-Methylpropionate] is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including assay by HPLC, purity verification, and confirmation of critical physical properties to ensure consistency and performance in your polymerization processes. A Certificate of Analysis (COA) detailing all test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at temperatures between 2°C and 8°C (refrigerated) for long-term stability. This product is light-sensitive (store away from light). Allow the container to reach ambient temperature before opening to prevent moisture condensation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to pale yellow crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0 %
Melting Point	40 - 45 °C
Loss on Drying	≤ 0.5 %
Solubility (Test)	Freely soluble in common organic solvents

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