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714887

Sigma-Aldrich

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

0.2 M in toluene

Synonym(s):

α,α,′-Azoisobutyronitrile solution, AIBN solution

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About This Item

Empirical Formula (Hill Notation):
C8H12N4
CAS Number:
78-67-1
Molecular Weight:
164.21
MDL number:
MFCD00013808
UNSPSC Code:
12352102
PubChem Substance ID:
329763322
NACRES:
NA.22

form

liquid

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

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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.

Signal Word

Danger

Hazard Classifications

Aquatic Chronic 3 - Asp. Tox. 1 - Flam. Liq. 2 - Repr. 2 - Skin Irrit. 2 - STOT RE 2 - STOT SE 3

Target Organs

Central nervous system

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

39.9 °F

Flash Point(C)

4.4 °C

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Styrene?vinyl pyridine diblock copolymers: Synthesis by RAFT polymerization and self?assembly in solution and in the bulk.
Zamfir M, et al.
Journal of Polymer Science Part A: Polymer Chemistry, 50(8), 1636-1644 (2012)
Aspects of the chemistry of azobisisobutyronitrile.
Bevington J C.
Journal of Polymer Science, 10(3), 195-202 (1993)
Optimization of sol?gel/pyrolysis routes to silicon oxycarbide glasses.
Strachota A, et al.
Journal of Non-Crystalline Solids, 358(20), 2771-2782 (2012)
Stable titanium dioxide grafted with poly [N-(p-vinyl benzyl) phthalimide] composite particles in suspension for electrophoretic displays.
Dai R, et al.
Colloid and Polymer Science, 289(4), 401-407 (2011)
Cameron J Bloomquist et al.
Journal of controlled release : official journal of the Controlled Release Society, 278, 9-23 (2018-03-30)
Mass customization along with the ability to generate designs using medical imaging data makes 3D printing an attractive method for the fabrication of patient-tailored drug and medical devices. Herein we describe the application of Continuous Liquid Interface Production (CLIP) as
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