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714887 Sigma-Aldrich

2,2′-Azobis(2-methylpropionitrile) solution

0.2 M in toluene

Synonym: α,α,′-Azoisobutyronitrile solution, AIBN solution

  • CAS Number 78-67-1

  • Empirical Formula (Hill Notation) C8H12N4

  • Molecular Weight 164.21

  •  MDL number MFCD00013808

  •  PubChem Substance ID 329763322

  •  NACRES NA.22

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Properties

Related Categories Chemical Synthesis, Radical Chemistry, Radical Initiators, Synthetic Reagents
Quality Level   100
concentration   0.2 M in toluene
refractive index   n20/D 1.495
density   0.858 g/mL at 25 °C
storage temp.   2-8°C
SMILES string   CC(C)(\N=N\C(C)(C)C#N)C#N
InChI   1S/C8H12N4/c1-7(2,5-9)11-12-8(3,4)6-10/h1-4H3/b12-11+
InChI key   OZAIFHULBGXAKX-VAWYXSNFSA-N

Description

Application

2,2′-Azobis(2-methylpropionitrile) (AIBN) is a radical initiator. AIBN solution can be used to initiate radical-induced reactions, specifically free-radical polymerizations. It can be used in:
• Synthesis of styrene-vinyl pyridine diblock copolymers by reversible addition-fragmentation chain transfer (RAFT) polymerization.
• Preparation of silicon oxycarbide glasses.
• Synthesis of poly [N-(p-vinyl benzyl) phthalimide] for the preparation of titanium dioxide composites for electrophoretic displays.

Packaging

100 mL in Sure/Seal™

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Target organs 
Central nervous system
RIDADR 
UN1294 - class 3 - PG 2 - Toluene, solution
WGK Germany 
WGK 2
Flash Point(F) 
39.9 °F
Flash Point(C) 
4.4 °C

Documents

Certificate of Analysis (COA)

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Protocols & Articles

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Peer-Reviewed Papers
15

References

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