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/418/501/product-dating-information-06-25-mk.pdf
Fortfahren mit
768375
Azo-bis-(isobutylonitril)
12 wt. % in acetone
Synonym(e):
AIBN -Lösung, α,α,′-Azoisobutyronitril -Lösung, 2,2′-Azobis(2-Methylpropionitril) -Lösung
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Über diesen Artikel
form
liquid
Quality Segment
concentration
12 wt. % in acetone
refractive index
n20/D 1.368
density
0.808 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
General description
Application
- Used as an initiator in the synthesis of highly cross-linked Poly(divinylbenzene) (PDVB) polymers.
- Used as an initiator in the polymerization process of 2-hydroxyethyl methacrylate (HEMA).
Features and Benefits
signalword
Danger
hcodes
Hazard Classifications
Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3
supp_hazards
Lagerklasse
3 - Flammable liquids
flash_point_f
1.4 °F
flash_point_c
-17 °C
target_organs
Central nervous system
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How can I determine the shelf life / expiration / retest date of this product?
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Helpful?
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 answer-
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
Helpful?
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Can I use AIBN in 12wt% acetone without recrystallization or distillation? (in case of polymerization)
1 answer-
Product 768375 is a ready-to-use product, however, the performance varies owing to different polymerization reactions. It is recommended to check more reference papers:
https://www.sigmaaldrich.com/search/768375?focus=papers&page=1&perpage=30&sort=relevance&term=768375&type=citation_searchHelpful?
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