Azobis isobutylonitrile

Azobis Isobutyronitrile (AIBN)

High-Purity Free Radical Initiator for Polymerization Applications

Azobis Isobutyronitrile (AIBN) is a widely used organic peroxide-free initiator for free radical polymerizations, offering controlled decomposition and consistent performance. At B.F.S, we supply high-purity AIBN that meets the demanding requirements of the plastics, rubber, and coatings industries.

🔬 Chemical Overview

Chemical Name: 2,2′-Azobis(2-methylpropionitrile)
CAS Number: 78-67-1
Molecular Formula: C₈H₁₂N₄
Molecular Weight: 164.21 g/mol
Appearance: White crystalline powder
Decomposition Temperature: ~65°C
Solubility: Soluble in organic solvents such as ethanol, acetone, acetonitrile

⚙️ Key Applications

Industry	Function	Details
Polymer Manufacturing	Free-radical initiator for PVC, PAN, MMA	Provides excellent molecular weight control
Rubber Industry	Vulcanization aid	Enhances elasticity and resistance
Coatings & Adhesives	Crosslinking agent	Ensures film uniformity and durability
Research & Development	Controlled radical reactions	Used in kinetic studies and mechanism research

✅ Advantages of B.F.S AIBN

High chemical purity for predictable polymerization behavior
Low decomposition residue – minimal contamination
Stable shelf life when stored under recommended conditions
Consistent batch-to-batch quality
Available in various packaging formats

⚠️ Handling & Safety

AIBN should be stored in a cool, dry place below 40°C
Avoid sources of ignition, shock, or friction – AIBN is a thermal decomposer
Use protective equipment when handling: gloves, goggles, and ventilation

📄 Safety Data Sheet (SDS) available upon request.

📦 Packaging Options

500g, 1kg aluminum foil bags
10kg fiber drums
Custom packaging available based on customer needs

🔍 Why Choose B.F.S AIBN?

B.F.S ensures the highest production standards for AIBN with rigorous QC protocols, technical support, and on-time delivery. Our material is trusted by manufacturers globally for its: