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
P5884
Brij® 58
average Mn ~1124
Synonym(s):
Polyethylene glycol hexadecyl ether, Polyoxyethylene (20) cetyl ether
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About This Item
description
non-ionic
Quality Segment
form
solid
mol wt
micellar avg mol wt 79,000, average Mn ~1124
aggregation number
70
technique(s)
protein quantification: suitable
CMC
0.08 mM (20-25°C)
mp
~38 °C
transition temp
cloud point >100 °C
HLB
16
SMILES string
CCCCCCCCCCCCCCCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCO
InChI
1S/C56H114O21/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-17-58-19-21-60-23-25-62-27-29-64-31-33-66-35-37-68-39-41-70-43-45-72-47-49-74-51-53-76-55-56-77-54-52-75-50-48-73-46-44-71-42-40-69-38-36-67-34-32-65-30-28-63-26-24-61-22-20-59-18-16-57/h57H,2-56H2,1H3
InChI key
NLMKTBGFQGKQEV-UHFFFAOYSA-N
General description
Application
Legal Information
1 of 1
This Item | |||
|---|---|---|---|
| technique(s) protein quantification: suitable | technique(s) - | technique(s) - | technique(s) cell culture | mammalian: suitable, protein quantification: suitable |
| form solid | form solid | form solid | form - |
| aggregation number 70 | aggregation number - | aggregation number - | aggregation number - |
| HLB 16 | HLB - | HLB 5 | HLB 15 |
| Quality Level 200 | Quality Level 200 | Quality Level 200 | Quality Level 200 |
| description non-ionic | description - | description - | description non-ionic |
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hcodes
pcodes
Hazard Classifications
Aquatic Chronic 2
Storage Class
11 - Combustible Solids
wgk
WGK 2
flash_point_f
302.0 °F - closed cup
flash_point_c
150 °C - closed cup
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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