Description

2,2'-Azobisbutane is a low-temperature azo initiator widely used in free-radical polymerization processes. Its controlled decomposition kinetics make it a critical component for synthesizing polymers with specific molecular weights and architectures. This compound is essential for R&D and production in industries requiring precise initiation, such as specialty polymer manufacturing and advanced material science.

Application

• Primary initiator for the free-radical polymerization of styrene, acrylates, and methacrylates.
• Key component in the synthesis of block copolymers and other advanced polymeric materials with controlled structures.
• Used in the production of specialty plastics, resins, and coatings where controlled molecular weight is critical.
• Essential for research and development in polymer chemistry and material science laboratories.
• Applicable in the manufacture of pressure-sensitive adhesives and sealants.
• Used in cross-linking reactions for elastomer and rubber modification.

Basic Information

Product Name	2,2'-Azobisbutane
CAS No.	3742-58-3
Molecular Formula	C8H18N2
Molecular Weight	142.24 g/mol
Synonyms	2,2'-Azobis(2-methylpropane); 2,2'-Azoisobutane; AIBN (Analog, low-temperature); 2,2'-Dimethyl-2,2'-azopropane; 2,2'-Azodi(2-methylpropane); tert-Butyl azo tert-butane; (CH3)3CN=NC(CH3)3
EINECS	223-133-7

Quality Control

Our 2,2'-Azobisbutane is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including assay by GC or HPLC and identification by FTIR, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing all specifications are 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, well-ventilated place at temperatures between 2°C and 8°C (refrigerated) or as specified for the specific grade. This product is light-sensitive (store away from light) and easily oxidized (store under inert atmosphere). Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Melting Point	75°C - 80°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.