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
44519
Dowex 50W X8 Ion Exchange Resin
hydrogen form, 200-400 mesh, strongly acidic
Select a Size
| Pack Size | SKU | Availability | Price |
|---|---|---|---|
| 100 g | Check Cart for Availability | $384.00 |
About This Item
$384.00
Product Name
Dowex 50W X8, hydrogen form, strongly acidic, 200-400 mesh
description
cross-linkage 8%
Quality Level
form
beads
moisture
50-58%
technique(s)
LPLC: suitable
loss
~55% loss on drying, 110 °C
matrix
styrene divinylbenzene (gel)
matrix active group
sulfonic acid functional group
particle size
200-400 mesh
capacity
1.1 meq/mL by wetted bed volume
separation technique
cation exchange
SMILES string
C(C)c3c(cccc3)C=C.c2(c(cccc2)C=C)C=C.c1(ccccc1)C=C
InChI
1S/C10H12.C10H10.C8H8/c2*1-3-9-7-5-6-8-10(9)4-2;1-2-8-6-4-3-5-7-8/h3,5-8H,1,4H2,2H3;3-8H,1-2H2;2-7H,1H2
InChI key
NWUYHJFMYQTDRP-UHFFFAOYSA-N
General description
Application
Legal Information
1 of 1
This Item | |||
|---|---|---|---|
| separation technique cation exchange | separation technique cation exchange | separation technique cation exchange | separation technique cation exchange |
| matrix styrene divinylbenzene (gel) | matrix styrene divinylbenzene (gel) | matrix styrene divinylbenzene (gel) | matrix styrene-divinylbenzene (gel) |
| matrix active group sulfonic acid functional group | matrix active group sulfonic acid functional group | matrix active group sulfonic acid functional group | matrix active group sulfonic acid functional group |
| particle size 200-400 mesh | particle size 50-100 mesh | particle size 16-50 mesh | particle size 200-400 mesh |
| technique(s) LPLC: suitable | technique(s) LPLC: suitable | technique(s) LPLC: suitable | technique(s) LPLC: suitable |
| form beads | form beads | form beads | form beads |
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signalword
Warning
hcodes
pcodes
Hazard Classifications
Eye Irrit. 2
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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Global Trade Item Number
| SKU | GTIN |
|---|---|
| 44519-100G | 04061838514745 |
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How can I determine the shelf life / expiration / retest date of this product?
1 answer-
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 answer-
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
Helpful?
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How can I convert a cation exchange resin from the hydrogen form to the sodium form?
1 answer-
To convert a cation exhcange resin from the hydrogen form to the sodium form, use two to four bed volumes of 0.5-2.0% NaCl or NaOH.
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What is the Department of Transportation shipping information for this product?
1 answer-
Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
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