MilliporeSigma
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755745

Sigma-Aldrich

2,2′-Azobis(2-methylpropionitrile)

recrystallized from methanol, 99%

Synonym(s):
α,α′-Azoisobutyronitrile, Azobisisobutyronitrile, Free radical initiator, AIBN
Linear Formula:
(CH3)2C(CN)N=NC(CH3)2CN
CAS Number:
Molecular Weight:
164.21
Beilstein:
1708400
EC Number:
MDL number:
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.

Packaging

1 g in poly bottle

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

Certificate of Analysis

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Certificate of Origin

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