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
2854
Ethylenediaminetetraacetic acid disodium salt solution
2%, solution
Synonym(s):
(Ethylenedinitrilo)tetraacetic acid disodium salt, EDTA disodium salt, EDTA-Na2
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| Pack Size | SKU | Availability | Price |
|---|
About This Item
form
solution
Quality Level
concentration
2%
storage temp.
2-8°C
SMILES string
[Na+].[Na+].OC(=O)CN(CCN(CC(O)=O)CC([O-])=O)CC([O-])=O
InChI
1S/C10H16N2O8.2Na/c13-7(14)3-11(4-8(15)16)1-2-12(5-9(17)18)6-10(19)20;;/h1-6H2,(H,13,14)(H,15,16)(H,17,18)(H,19,20);;/q;2*+1/p-2
InChI key
ZGTMUACCHSMWAC-UHFFFAOYSA-L
General description
Application
- Dual-Responsive Hydrogels for Mercury Ion Detection and Removal from Wastewater.: This study discusses the application of ethylenediaminetetraacetic acid disodium salt in the development of dual-responsive hydrogels, highlighting its effectiveness in detecting and removing mercury ions from wastewater (Diacon et al., 2024).
- Photocatalytic Hydrogen Evolution Activity of Nitrogen/Fluorine-Codoped Rutile TiO(2).: The article explores the role of ethylenediaminetetraacetic acid disodium salt in enhancing the photocatalytic activity of nitrogen/fluorine-codoped rutile TiO(2) for hydrogen evolution (Miyoshi et al., 2023).
- High-efficiency cleaning technology and lifespan prediction for the ceramic membrane treating secondary treated effluent.: This study presents a novel cleaning technology involving ethylenediaminetetraacetic acid disodium salt for ceramic membranes, offering insights into efficiency enhancements and lifespan predictions (Lv et al., 2023).
- Reversible Morphology Locking via Metal Infiltration in a Block Copolymer.: This research investigates the reversible morphology locking of block copolymers facilitated by metal infiltration, using ethylenediaminetetraacetic acid disodium salt as a key component in the process (Ma et al., 2023).
Biochem/physiol Actions
1 of 1
This Item | |||
|---|---|---|---|
| Quality Level 200 | Quality Level 300 | Quality Level 200 | Quality Level 200 |
| storage temp. 2-8°C | storage temp. - | storage temp. - | storage temp. room temp |
| form solution | form liquid | form liquid | form powder |
| concentration 2% | concentration 0.5 M in H2O | concentration ~0.5 M in H2O | concentration - |
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Storage Class
12 - Non Combustible Liquids
flash_point_f
Not applicable
flash_point_c
Not applicable
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Global Trade Item Number
| SKU | GTIN |
|---|---|
| 87600-100ML | 04061833052778 |
| 2854-15ML | 04061826259610 |
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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?
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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Is it acceptable to use 285-4 after it has been stored at room temperature for 14 days?
1 answer-
The recommended long-term storage for the 2% EDTA solution is at 2-8°C. The product is not considered temperature-sensitive for short-term storage and, therefore, product 285-4 is shipped at ambient temperature. It is stability tested for up to 14 days at ambient temperature. The product is expected to be placed at 2-8°C within 14 days of arrival. If the solution is stored at room temperature for 7 days, it should still be suitable for use. It is advisable to check specimens anticoagulated with 285-4 for signs of clumping or clotting. If any clumping or clotting is observed, the bottle kept at room temperature should be properly disposed of, and a fresh bottle should be ordered.
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