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2,2′-Azobis(2-methylpropionitrile) solution, radical initiator, α,α,′-Azoisobutyronitrile solution, AIBN solution
C8H12N4
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form
liquid
Quality Level
concentration
12 wt. % in acetone
refractive index
n20/D 1.368
density
0.808 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
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General description
Azobisisobutyronitrile (AIBN) is an azo-compound and is widely used as a free radical initiator. This compound has labile carbon-nitrogen covalent bond which undergoes homolytic scission under thermal, chemical or photochemical conditions producing free radicals. They are useful in many reactions like halogenation, polymerisation of vinyl monomers, grafting reactions, curing of rubbers and unsaturated polymers and cross-linking of polyolefins.
Application
- Used as an initiator in the synthesis of highly cross-linked Poly(divinylbenzene) (PDVB) polymers.
- Used as an initiator in the polymerization process of 2-hydroxyethyl methacrylate (HEMA).
Features and Benefits
Decomposes unimolecularly at good rates without much variation from one solvent to another.
signalword
Danger
hcodes
Hazard Classifications
Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3
target_organs
Respiratory system
supp_hazards
wgk_germany
WGK 2
flash_point_f
1.4 °F
flash_point_c
-17 °C
Certificates of Analysis (COA)
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Polymers containing maleimide groups on their side chains have been synthesized by utilization of a novel styrenic monomer containing a masked-maleimide unit. AIBN initiated free radical polymerization and reverse addition-fragmentation chain transfer (RAFT) polymerization was utilized for synthesis of copolymers
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