Description

22Azobis2Hydroxymethylpropiononitrile is a specialized azo compound widely recognized as a highly efficient polymerization initiator. Its primary value lies in its ability to generate free radicals at relatively low temperatures, making it crucial for controlling polymer chain growth and molecular weight. This product is essential for industrial chemists and manufacturers in the polymer and materials science sectors who require precise initiation for the synthesis of acrylics, vinyl polymers, and specialty resins.

Application

• Polymerization Initiator: Primarily used as a free-radical initiator for the polymerization of vinyl monomers such as methyl methacrylate (MMA), styrene, and acrylonitrile.
• Acrylic Resin Production: A key component in the manufacture of clear, high-strength acrylic sheets, molding powders, and coatings.
• Adhesive & Sealant Formulation: Employed in the curing process of UV-curable and thermally initiated adhesives and sealants.
• Composite Materials: Used in the production of fiber-reinforced plastics (FRP) and gel coats for marine and automotive applications.
• Specialty Polymer Synthesis: Facilitates the controlled synthesis of block copolymers and other advanced polymeric architectures in R&D settings.
• Surface Coating Curing: Acts as an initiator in the cross-linking and curing of industrial paints and protective coatings.

Basic Information

Product Name	22Azobis2Hydroxymethylpropiononitrile
CAS No.	19706-80-0
Molecular Formula	C8H12N4O2
Molecular Weight	196.21 g/mol
Synonyms	2,2'-Azobis(2-methylpropionitrile); AIBN; Azobisisobutyronitrile; 2,2'-Azobis[2-methylpropanenitrile]; 2,2'-Azodi(2-methylbutyronitrile); Porofor 57; Vazo 64; Azonitrile V-40
EINECS	243-215-0

Quality Control

Our 22Azobis2Hydroxymethylpropiononitrile is manufactured under stringent quality control protocols to ensure batch-to-batch consistency and high purity. Production adheres to ISO 9001 quality management standards. Every lot is analyzed for critical parameters including purity, moisture content, and active oxygen content. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each 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 place at temperatures between 15-25°C (59-77°F). This product is light-sensitive and easily oxidized; prolonged exposure to light, air, or heat should be avoided to maintain stability and efficacy. For long-term storage, consider keeping under an inert atmosphere such as nitrogen.

Specification

Item	Specification
Appearance	White crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0 %
Melting Point	102 - 105 °C
Loss on Drying	≤ 0.5 %
Heavy Metals (as Pb)	≤ 10 ppm
Residue on Ignition	≤ 0.1 %

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