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
445746
Poly(methyl methacrylate)
average Mw ~350,000 by GPC
Sinónimos:
PMMA, Poly(methacrylic acid methyl ester)
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MXP 1,956.00
MXP 8,665.00
MXP 14,726.00
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Nombre del producto
Poly(methyl methacrylate), average Mw ~350,000 by GPC
InChI
1S/C5H9O2/c1-4(2)5(6)7-3/h1-3H3
InChI key
PMAMJWJDBDSDHV-UHFFFAOYSA-N
form
powder
autoignition temp.
580 °F
mol wt
average Mw ~350,000 by GPC
reduced viscosity
150-160 cm3/g(20 °C)(lit.)
acid number
<1 mg KOH/g
transition temp
Tg (DSC) 105 °C (midpoint)
solubility
alcohols and aliphatic hydrocarbons: insoluble
esters, ketones, aromatics and glycol ethers: soluble
density
1.17 g/mL at 25 °C
Quality Level
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Este artículo | 370037 | 03558 | 81489 |
|---|---|---|---|
| form powder | form - | form - | form - |
| density 1.17 g/mL at 25 °C | density 1.200 g/cm3 | density 1.200 g/cm3 | density 1.200 g/cm3 |
| autoignition temp. 580 °F | autoignition temp. 580 °F | autoignition temp. 580 °F | autoignition temp. 580 °F |
| mol wt average Mw ~350,000 by GPC | mol wt average Mn 46,000 (Typical), average Mw 97,000 (Typical) | mol wt Mn ~2140000, Mp ~2740000, Mw ~2480000 | mol wt Mn ~1730, Mp ~1960, Mw ~1900 |
| reduced viscosity 150-160 cm3/g(20 °C)(lit.) | reduced viscosity - | reduced viscosity - | reduced viscosity - |
| acid number <1 mg KOH/g | acid number - | acid number - | acid number - |
Application
Features and Benefits
General description
Clase de almacenamiento
11 - Combustible Solids
wgk
nwg
ppe
Eyeshields, Gloves, type N95 (US)
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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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Welcher Initiator wurde für die Polymerisation verwendet?
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Details around the synthesis and/or preparation are considered proprietary.
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