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
181315
Polyacrylonitrile
average Mv 150,000
Synonyme(s) :
Vinyl cyanide
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About This Item
Produits recommandés
Poids mol.
average Mv 150,000
Niveau de qualité
Indice de réfraction
n20/D 1.514
Température de transition
Tm 317 °C
Tg 85 °C
Densité
1.184 g/mL at 25 °C (lit.)
Chaîne SMILES
C=CC#N
InChI
1S/C3H3N/c1-2-3-4/h2H,1H2
Clé InChI
NLHHRLWOUZZQLW-UHFFFAOYSA-N
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Catégories apparentées
Description générale
Application
Code de la classe de stockage
11 - Combustible Solids
Classe de danger pour l'eau (WGK)
WGK 3
Point d'éclair (°F)
Not applicable
Point d'éclair (°C)
Not applicable
Équipement de protection individuelle
Eyeshields, Gloves, type N95 (US)
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Certificats d'analyse (COA)
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Si vous avez besoin d'une version particulière, vous pouvez rechercher un certificat spécifique par le numéro de lot.
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How can I determine the shelf life / expiration / retest date of this product?
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How is shipping temperature determined? And how is it related to the product storage temperature?
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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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Please Confirm PAN (Polyacrylonitrile) is Copolymer or Terpolymer.
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Neither - this is a homopolymer comprised only of acrylonitrile units.
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Which synthesis method was used for this polyacrylonitrile (181315)?
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Unfortunately, the synthesis method of this product is considered proprietary.
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This is isotactic, syndiotactic or atactic PAN?
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The tacticity of this product is not determined.
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What is the degradation temperature of Product 181315, Polyacrylonitrile?
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This product has excellent thermal stability below 150°C, but will degrade above this temperature.
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What is Product 181315, Polyacrylonitrile, soluble in?
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Some common solvents that can be used are DMSO, N,N-dimethylformamide, ethylene carbonate, propylene carbonate, and nitromethane.
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Will Product 181315, Polyacrylonitrile, contain acrylonitrile?
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The product may contain trace amounts of the monomer acrylonitrile. We do not test for the levels of starting material still present in the final polymer.
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What is the Department of Transportation shipping information for this product?
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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.
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