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
31185
D.E.R.™ 332
used as embedding medium
Synonym(s):
Bisphenol A diglycidyl ether, Epoxy-Resin, 2,2-Bis[4-(glycidyloxy)phenyl]propane, 4,4′-Isopropylidenediphenol diglycidyl ether, BADGE, D.E.R.™ 332
About This Item
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Product Name
D.E.R.™ 332, used as embedding medium
InChI key
LCFVJGUPQDGYKZ-UHFFFAOYSA-N
InChI
1S/C21H24O4/c1-21(2,15-3-7-17(8-4-15)22-11-19-13-24-19)16-5-9-18(10-6-16)23-12-20-14-25-20/h3-10,19-20H,11-14H2,1-2H3
SMILES string
CC(C)(c1ccc(OCC2CO2)cc1)c3ccc(OCC4CO4)cc3
Quality Level
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1 of 4
This Item | D3415 | 15138 | 731811 |
|---|---|---|---|
| Quality Level 200 | Quality Level 100 | Quality Level 100 | Quality Level 100 |
Application
Disclaimer
Legal Information
related product
signalword
Warning
hcodes
Hazard Classifications
Aquatic Chronic 2 - Eye Irrit. 2 - Skin Irrit. 2 - Skin Sens. 1
Storage Class
10 - Combustible liquids
wgk
WGK 1
flash_point_f
507.2 - 514.4 °F - closed cup
flash_point_c
264 - 268 °C - closed cup
ppe
dust mask type N95 (US), Eyeshields, Faceshields, Gloves
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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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If you order an epoxy resin, does it include a hardener?
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The product D.E.R.™ 332 refers to the epoxy resin component only. It does not include a hardener. Epoxy resins generally require a separate hardener or curing agent to initiate the curing process and achieve the desired properties.
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