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
428302
Polysulfone
average Mw ~35,000 by LS, average Mn ~16,000 by MO, pellets (Transparent)
Synonym(s):
Poly[oxy-1,4-phenylenesulfonyl-1,4-phenyleneoxy-1,4-phenylene(1-methylethylidene)-1,4-phenylene], Polysulfone resin
Select a Size
| Size/SKU | Availability | Price |
|---|---|---|
100 g | Check Cart for Availability | $237.00 |
500 g | Check Cart for Availability | $440.00 |
About This Item
$237.00
form
pellets (Transparent)
Quality Segment
autoignition temp.
1022 °F
melt index
6.5 g/10 min (343°C/0.3 Mpa)
mol wt
average Mn ~16,000 by MO, average Mw ~35,000 by LS
reduced viscosity
0.37-0.39 dL/g, 0.2 % (w/v) in chloroform(25 °C)(lit.)
density
1.24 g/mL at 25 °C (lit.)
SMILES string
CC(C)(c1ccc(O)cc1)c2ccc(O)cc2.Oc3ccc(cc3)S(=O)(=O)c4ccc(O)cc4
InChI
1S/C15H16O2.C12H10O4S/c1-15(2,11-3-7-13(16)8-4-11)12-5-9-14(17)10-6-12;13-9-1-5-11(6-2-9)17(15,16)12-7-3-10(14)4-8-12/h3-10,16-17H,1-2H3;1-8,13-14H
InChI key
ZUZZUJNBGCVPLQ-UHFFFAOYSA-N
Application
Features and Benefits
Physical form
1 of 1
This Item | |||
|---|---|---|---|
| description average Mw ~35,000 by LS, average Mn ~16,000 by MO, pellets (Transparent) | description average Mn ~22,000 by MO, beads | description (PSU), film, thickness 0.9 mm, size 300 × 300 mm | description (PSU), film, thickness 0.1 mm, size 150 × 150 mm |
| form pellets (Transparent) | form pellets, beads | form film | form film |
| density 1.24 g/mL at 25 °C (lit.) | density 1.24 g/mL at 25 °C (lit.) | density - | density - |
| Quality Level 100 | Quality Level 100 | Quality Level - | Quality Level - |
| melt index 6.5 g/10 min (343°C/0.3 Mpa) | melt index 6.5 g/10 min (343 °C/2.16 kg, ASTM D1238) | melt index - | melt index - |
| autoignition temp. 1022 °F | autoignition temp. 1022 °F | autoignition temp. - | autoignition temp. - |
| mol wt average Mn ~16,000 by MO, average Mw ~35,000 by LS | mol wt average Mn ~22,000 by MO | mol wt - | mol wt - |
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Storage Class
11 - Combustible Solids
WGK
WGK 3
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
PPE (personal protective equipment)
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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