Description

Dimethyl 2,2'-Azobis(2-Methylpropionate) is a low-temperature azo initiator widely used in free-radical polymerization processes. Its primary value lies in its ability to efficiently generate free radicals at moderate temperatures, enabling controlled polymer synthesis with minimal side reactions. This compound is essential for manufacturers in the polymer, coatings, and specialty chemical industries who require a reliable initiator for producing acrylic resins, styrenic polymers, and other high-performance materials.

Application

• Polymer Synthesis: As a key initiator for the free-radical polymerization of vinyl monomers such as methyl methacrylate (MMA), styrene, and acrylates.
• Resin Production: For manufacturing acrylic resins, polystyrene, and other thermoplastic polymers used in coatings and plastics.
• Adhesive & Sealant Formulation: To initiate polymerization in the production of pressure-sensitive adhesives, structural adhesives, and sealants.
• Surface Coating Curing: Used in UV-curable coatings, inks, and photoresists where controlled radical generation is critical.
• Organic Synthesis: As a radical source in various organic chemical reactions and material science research.
• Specialty Polymer Modification: For grafting, block copolymer synthesis, and creating polymers with specific functional end-groups.

Basic Information

Item	Detail
Product Name	Dimethyl 2,2'-Azobis(2-Methylpropionate)
CAS No.	2589-57-3
Molecular Formula	C10H18N2O4
Molecular Weight	230.26 g/mol
Synonyms	Dimethyl 2,2'-Azobis(isobutyrate); V-601; 2,2'-Azobis(2-methylpropionic acid) dimethyl ester; 1,1'-(Diazene-1,2-diyl)bis(2-methylpropane-2,1-diyl) diacetate; AIBN Derivative; Low-Temperature Azo Initiator V-601; Dimethyl Azoisobutyrate; Wako V-601
EINECS	219-985-7

Quality Control

Our Dimethyl 2,2'-Azobis(2-Methylpropionate) is produced under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including assay by HPLC and verification of critical physical properties. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). This product is light-sensitive and easily oxidized; for long-term storage, it is recommended to keep the material under an inert atmosphere such as nitrogen to maintain stability and efficacy.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0 %
Melting Point	40 - 45 °C
Loss on Drying	≤ 0.5 %
Residue on Ignition	≤ 0.1 %

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