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
181528
Poli(butil metacrilato)
Sinónimos:
PBMA
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About This Item
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Formulario
powder
Nivel de calidad
mol peso
200000
índice de refracción
n20/D 1.483
densidad
1.07 g/mL at 25 °C (lit.)
cadena SMILES
CCCCOC(=O)C(C)=C
InChI
1S/C8H14O2/c1-4-5-6-10-8(9)7(2)3/h2,4-6H2,1,3H3
Clave InChI
SOGAXMICEFXMKE-UHFFFAOYSA-N
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Este artículo | 910716 | 392111 | 182087 |
|---|---|---|---|
| density 1.07 g/mL at 25 °C (lit.) | density 1.07 g/mL at 25 °C (lit.) | density 0.983 g/mL at 25 °C (lit.) | density 1.11 g/mL at 25 °C |
| refractive index n20/D 1.483 | refractive index n/D 1.483 | refractive index n20/D 1.477 (lit.) | refractive index n20/D 1.485 |
| form powder | form solid (bead) | form liquid | form powder |
| mol wt 200000 | mol wt Mw 211,000 | mol wt - | mol wt average Mw ~515,000 by GPC |
| inherent viscosity 0.470-0.560 dL/g | inherent viscosity - | inherent viscosity - | inherent viscosity 0.80 dL/g(lit.) |
| Quality Level 100 | Quality Level - | Quality Level 200 | Quality Level - |
Descripción general
Aplicación
Puede utilizarse para preparar microfibras termoresponsivas con excelentes propiedades mecánicas. Las microfibras que contienen PBMA pueden utilizarse como materiales de separación celular modulados por la temperatura.
Palabra de señalización
Warning
Frases de peligro
Consejos de prudencia
Clasificaciones de peligro
Skin Sens. 1
Código de clase de almacenamiento
11 - Combustible Solids
Clase de riesgo para el agua (WGK)
WGK 3
Punto de inflamabilidad (°F)
Not applicable
Punto de inflamabilidad (°C)
Not applicable
Equipo de protección personal
Eyeshields, Gloves, type N95 (US)
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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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