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441090 Aldrich

2,2′-Azobis(2-methylpropionitrile)

98%

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

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Description

Frequently Asked Questions

Frequently Asked Questions are available for this Product.

Application

Free radical initiator

Packaging

25, 100 g in poly bottle

Price and Availability


Laboratory Gloves

3D Printing
Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
Supplemental Hazard Statements 
Risk of explosion if heated under confinement.
RIDADR 
UN3234 - UN3224 DOT class 4.1 (2,2'-Azobis(2-methylpropionitrile)) Self-reactive solid type C, temperature controlled)
WGK Germany 
2
RTECS 
UG0800000

Frequently Asked Questions

Which document(s) contains shelf-life or expiration date information for a given product?
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis. These documents are located on the product detail page under Useful Links & Tools. Click on the following link to search for a Certificate of Analysis. Please click the following link to see the details on our Product Dating Information.
How do I get lot-specific information or a Certificate of Analysis?
A Certificate of Analysis is available by lot number and can be obtained through our Advanced Search Option: http://www.sigmaaldrich.com/catalog/AdvancedSearchPage.do
At what temperature does Product 441090, 2,2′-Azobis(2-methylpropionitrile)98% AIBN, give off free radicals?
Free radicals will given off at temperatures above 40oC.  Thermal decomposition of the product gives off free radicals which makes this an efficient polymerization initiator.
What is the half life of Product 441090, 2,2′-Azobis(2-methylpropionitrile)98% AIBN?
To get information on the half life of this product, please click on the following link:   http://www.sigmaaldrich.com/etc/medialib/docs/Aldrich/Brochure/al_pp_initiators.Par.0001.File.tmp/al_pp_initiators.pdf
What is Product 441090, 2,2′-Azobis(2-methylpropionitrile) 98% AIBN soluble in?
Per the Merck Index, 13th Edition, it is soluble in methanol 1.8g / 100ml at 0oC, 4.96g / 100ml at 20oC, and 16.06g / 100ml at 40oC.  It is also soluble in ethanol 0.5g / 100ml at 0oC, 2.04g / 100ml at 20oC, and 7.15g / 100ml at 40oC. Please Note:  Dissolving this product in acetone results in a violent reaction and may cause an explosion.
Does Product 441090, 2,2′-Azobis(2-methylpropionitrile) 98% AIBN, contain an inhibitor?
No, there is no inhibitor added to this product.
How do I find price and availability?
There are several ways to find pricing and availability for our products.  Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers. 
What is the Department of Transportation shipping information for this product?
Transportation information can be found in Section 14 of the product's (M)SDS. To access the shipping information for this material, use the link on the product detail page for the product, or search here. 
My question is not addressed here, how can I contact Technical Service for assistance?
Use the option to the right to "Ask a Question" by email of a Technical Service Scientist.
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Peer-Reviewed Papers
15

References

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