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Key Documents

755745

Sigma-Aldrich

2,2′-Azobis(2-methylpropionitrile)

recrystallized from methanol, 99%

Synonym(s):

α,α′-Azoisobutyronitrile, AIBN, Azobisisobutyronitrile, Free radical initiator

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About This Item

Linear Formula:
(CH3)2C(CN)N=NC(CH3)2CN
CAS Number:
Molecular Weight:
164.21
Beilstein:
1708400
EC Number:
MDL number:
UNSPSC Code:
12162002
PubChem Substance ID:
NACRES:
NA.23

Quality Level

Assay

99%

form

crystals

mp

102-104 °C (dec.) (lit.)
103-107 °C

storage temp.

−20°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

This AIBN was recrystallized and is ready for use as a polymerization initiator.

Application

  • Porous Acid-Base Hybrid Polymers for Enhanced NH3 Uptake: This study discusses the use of 2,2′-Azobis(2-methylpropionitrile) in the synthesis of acid-base hybrid polymers, highlighting its role in enhancing ammonia uptake through cooperative hydrogen bonds (X Luo, Y Liu, et al., 2023).
  • Extraction of Fluoroquinolones from Milk: The development of molecularly imprinted polymers using 2,2′-Azobis(2-methylpropionitrile) as an initiator for the extraction of antibiotics from milk showcases its application in food safety and pharmaceutical analysis (E Megias-Pérez, et al., 2023).
  • Thermo-responsive Copolymer Visible Light Catalyst: Highlighting the use of 2,2′-Azobis(2-methylpropionitrile) in the synthesis of thermo-responsive copolymers, this study explores its applications in catalysis and material science, particularly in photoreactive polymers (S Wu, et al., 2024).

Pictograms

FlameExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Chronic 3 - Self-react. C

Supplementary Hazards

Storage Class Code

4.1A - Other explosive hazardous materials

WGK

WGK 2

Flash Point(F)

122.0 °F

Flash Point(C)

50 °C


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