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
303143
3,6-Dimethyl-1,4-dioxane-2,5-dione
99%
Sinónimos:
DL-Lactide, rac-Lactide, Lactide
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About This Item
Productos recomendados
Nivel de calidad
Ensayo
99%
Formulario
crystals
bp
142 °C/8 mmHg (lit.)
mp
116-119 °C
grupo funcional
ester
temp. de almacenamiento
2-8°C
cadena SMILES
CC1OC(=O)C(C)OC1=O
InChI
1S/C6H8O4/c1-3-5(7)10-4(2)6(8)9-3/h3-4H,1-2H3
Clave InChI
JJTUDXZGHPGLLC-UHFFFAOYSA-N
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Descripción general
Aplicación
- To synthesize multi-block copolymers of polylactide and polycarbonate.
- In the aluminum-catalyzed polymerization of propene oxide, lactide, and phthalic anhydride to produce multi-block polyesters.
Palabra de señalización
Warning
Frases de peligro
Consejos de prudencia
Clasificaciones de peligro
Eye Irrit. 2
Código de clase de almacenamiento
11 - Combustible Solids
Clase de riesgo para el agua (WGK)
WGK 2
Punto de inflamabilidad (°F)
Not applicable
Punto de inflamabilidad (°C)
Not applicable
Equipo de protección personal
dust mask type N95 (US), Eyeshields, Gloves
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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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I have purchased the lactide, and its a mixture of L and D right? also, if I want to purchase L-lactide how much is it? because I couldn't find it.
1 answer-
This product, 3,6-Dimethyl-1,4-dioxane-2,5-dione (or rac-lactide), is the 50:50 racemic mixture of D- and L-Lactide.
L-lactide is available on the website under the product number "36704".
For more information, please visit https://www.sigmaaldrich.com/US/en/product/aldrich/367044Helpful?
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