Description

1,1'-Azobis(2-Methylpropane) is a versatile and highly efficient free-radical initiator widely used in polymerization processes. Its value lies in its ability to decompose at moderate temperatures to generate free radicals, initiating and controlling the synthesis of various polymers. This compound is essential for manufacturers in the polymer, plastics, and specialty chemical industries seeking reliable and consistent initiator performance for producing materials like polystyrene, acrylics, and other resins.

Application

• Polymerization Initiator: Primary use as a free-radical initiator for the bulk, solution, and suspension polymerization of vinyl monomers such as styrene, methyl methacrylate, and acrylonitrile.
• Plastics Manufacturing: Critical in the production of polystyrene, acrylic plastics (PMMA), and ABS resins, controlling molecular weight and polymer structure.
• Resin Synthesis: Used in the manufacture of unsaturated polyester resins and other thermosetting polymers for coatings and composites.
• Adhesive & Sealant Production: Serves as an initiator in the synthesis of acrylic-based pressure-sensitive adhesives and sealants.
• Cross-linking Agent: Employed to induce cross-linking in polymer systems to enhance thermal and mechanical properties.
• Organic Synthesis: Utilized in research and fine chemical synthesis to facilitate radical-mediated chemical reactions.

Basic Information

Product Name	1,1'-Azobis(2-Methylpropane)
CAS No.	3896-19-3
Molecular Formula	C8H18N2
Molecular Weight	142.25 g/mol
Synonyms	2,2'-Azobis(2-methylpropane); 2,2'-Azobis(isobutane); AIBN (Azobisisobutyronitrile) analog; 1,1'-Dimethylethyl diazene; tert-Butyl azo tert-butane; 2,2'-Azo-di-tert-butane; 2,2'-Azo-bis(2-methylpropane); 2,2'-Di-tert-butyldiazene
EINECS	223-447-7

Quality Control

Our 1,1'-Azobis(2-Methylpropane) is produced under stringent quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes rigorous analytical testing, including assay and impurity profiling, to meet exacting industry standards. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and specific test results is provided with every shipment to guarantee product integrity and 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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed in a dry environment to prevent degradation. Keep away from heat, sparks, open flames, and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 10 ppm

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