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
389021
Poly(propylene carbonate)
average Mn ~50,000 by GPC
Synonyme(s) :
PPC
About This Item
Produits recommandés
Forme
pellets
Niveau de qualité
Poids mol.
average Mn ~50,000 by GPC
Température de stockage
−20°C
Chaîne SMILES
O1C(COC1=O)C
InChI
1S/C4H6O3/c1-3-2-6-4(5)7-3/h3H,2H2,1H3
Clé InChI
RUOJZAUFBMNUDX-UHFFFAOYSA-N
Description générale
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)
Faites votre choix parmi les versions les plus récentes :
Certificats d'analyse (COA)
Vous ne trouvez pas la bonne version ?
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?
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
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Could Poly(propylencarbonat) (product no. 389021) be ordered as a powder?
1 answer-
Unfortunately, this material is not offered in powdered format.
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Please provide the density, refractive index (RI), decomposition temperature (Td), and glass transition temperature (Tg) of Polypropylene carbonate (product bo. 389021)?
1 answer-
Unfortunately, only a reference value is available, not lot-specific. The properties of Polypropylene carbonate (389021) are as follows:
• Density (g/cm3): 1.26
• Refractive Index: 1.463
• Decomposition Temperature (°C): 250 (estimate)
• Glass Transition Temperature (°C): 15-40
•Heat of combustion (cal/gm): 4,266
• Heat of for mation (cal/mol): -146,000
• Molar Mass of repeating unit: 102.1Helpful?
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Could you please provide the density of the material with product number of 389021 (Poly(propylene carbonate))?
1 answer-
The density is 1.26 g/cm3.
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