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

0.2 M in toluene

Synonym(s):

α,α,′-Azoisobutyronitrile solution, AIBN solution

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100 ML
€72.50

About This Item

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

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form

liquid

Quality Level

concentration

0.2 M in toluene

refractive index

n20/D 1.495

density

0.858 g/mL at 25 °C

functional group

azo
nitrile

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.[1] 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.[2]
  • Preparation of silicon oxycarbide glasses.[3]
  • Synthesis of poly [N-(p-vinyl benzyl) phthalimide] for the preparation of titanium dioxide composites for electrophoretic displays.[4]

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

EU REACH Annex XVII (Restriction List)

CAS No.

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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)
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)
Douglas Morisue Sartore et al.
Talanta, 219, 121185-121185 (2020-09-06)
An original, selective and automated method, for the microextraction by packed sorbent (MEPS) of Δ9-tetrahydrocannabinol (THC), 11-hydroxy-Δ9-tetrahydrocannabinol (THC-OH), and 11-nor-Δ9-tetrahydrocannabinol-9-carboxylic acid (THC-COOH) from human urine, was developed by using (i) a catechin-molded molecularly imprinted polymer (MIP), (ii) a new lab-made

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  1. How is shipping temperature determined? And how is it related to the product storage temperature?

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    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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