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
71804
Sodium oxalate
reference material for titrimetry, certified by BAM, >99.5%
Synonym(s):
Ethanedioic acid sodium salt, Oxalic acid disodium salt
Select a Size
| Size/SKU | Availability | Price |
|---|---|---|
25 g | Please contact Customer Service for Availability | CZK 5,740.00 |
About This Item
grade
reference material
Quality Segment
assay
>99.5%
quality
certified by BAM
technique(s)
titration: suitable
format
neat
SMILES string
[Na+].[Na+].[O-]C(=O)C([O-])=O
InChI
1S/C2H2O4.2Na/c3-1(4)2(5)6;;/h(H,3,4)(H,5,6);;/q;2*+1/p-2
InChI key
ZNCPFRVNHGOPAG-UHFFFAOYSA-L
General description
Application
Features and Benefits
- Available as a solid in a secure glass bottle to ensure its stability for the entire shelf life until opened.
- Traceable to NIST standard reference material
- High-quality offering accurate titer determinations
- Accompanied by a certificate of analysis (CoA)
Analysis Note
1 of 1
This Item | |||
|---|---|---|---|
| technique(s) titration: suitable | technique(s) - | technique(s) - | technique(s) titration: suitable |
| format neat | format - | format - | format - |
| assay >99.5% | assay ≥99.5% | assay ≥99.0% (titration) | assay - |
| grade reference material | grade ACS reagent | grade - | grade - |
| Quality Level 100 | Quality Level 200 | Quality Level 200 | Quality Level 300 |
| quality certified by BAM | quality - | quality - | quality - |
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signalword
Warning
hcodes
Hazard Classifications
Acute Tox. 4 Dermal - Acute Tox. 4 Oral
Storage Class
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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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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