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/449/386/product-dating-information-mk.pdf
E9884
Ethylenediaminetetraacetic acid
ACS reagent, 99.4-100.6%, powder
Synonyme(s) :
(Ethylenedinitrilo)tetraacetic acid, EDTA, Edathamil, Ethylenedinitrilotetraacetic acid
About This Item
Produits recommandés
Niveau de qualité
Qualité
ACS reagent
Agence
suitable for SM 4500 - NH3
Essai
99.4-100.6%
Forme
powder
Pertinence de la réaction
reagent type: chelator
Impuretés
≤0.005% insoluble matter
≤0.1% Nitrilotriacetic acid ([HOCOCH2]3N)
Résidus de calcination
≤0.2%
pH
2.5 (23 °C, 10 g/L)
Pf
250 °C (dec.) (lit.)
Solubilité
water: soluble 0.4 g/L at 20 °C
Traces de cations
Ca: ≤0.001%
Fe: ≤0.005%
Mg: ≤5 ppm
heavy metals: ≤0.001% (byICP-OES)
Chaîne SMILES
OC(=O)CN(CCN(CC(O)=O)CC(O)=O)CC(O)=O
InChI
1S/C10H16N2O8/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)
Clé InChI
KCXVZYZYPLLWCC-UHFFFAOYSA-N
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Catégories apparentées
Description générale
Application
- as a component of labeling buffer, which is used in the washing step during cell fractionation{155)
- for investigating the effect of papain enzyme on wound debridement and other skin issues[2]
- for harvesting rat arterial smooth muscle cell after its pre-treatment for its use in flow cytometry analysis[3]
Actions biochimiques/physiologiques
Mention d'avertissement
Warning
Mentions de danger
Conseils de prudence
Classification des risques
Eye Irrit. 2
Code de la classe de stockage
11 - Combustible Solids
Classe de danger pour l'eau (WGK)
WGK 2
Point d'éclair (°F)
Not applicable
Point d'éclair (°C)
Not applicable
Équipement de protection individuelle
dust mask type N95 (US), Eyeshields, Gloves
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Certificats d'analyse (COA)
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Protocoles
Annealing is the process of heating and cooling two single-stranded oligonucleotides with complementary sequences.
Annealing is the process of heating and cooling two single-stranded oligonucleotides with complementary sequences.
Annealing is the process of heating and cooling two single-stranded oligonucleotides with complementary sequences.
Annealing is the process of heating and cooling two single-stranded oligonucleotides with complementary sequences.
Contenu apparenté
Step-by-step protocol for generating apical-out human gut organoids for microbiome, ADME/Tox, viral and gastrointestinal related disease research. See the complete organoid culture protocol.
This page is intended to make it easier to find the consumables you need based on the analytical method you’re using. Methods included on this page come from the EPA, Standard Methods and ASTM.
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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
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is the E9884 product a powder product?
1 answer-
As mentioned in the product title, as well as the 'PROPERTIES' section of the product page, this material is in powder form.
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Hello!! We are aiming to create a 15% solution of EDTA and wondering what the ratio of EDTA to water should be. We had internal guidance that recommended something close to a 1:1 relationship between EDTA and water. What guidance can you give?
1 answer-
A 15% solution would consist of 15 grams of a given material in a total volume of 100mL. For example, to prepare a 15% solution, a partial volume of solvent (in this case, water) is added to a vessel. The compound of interest (in this case EDTA) is added while stirring and then additional solvent is added to bring the final volume to 100ml. There would be slight adjustments needed depending on the specific solvent and the measure being used - weight per volume or weight per weight. Unfortunately, EDTA is not soluble in water at 15%. The addition of a base, such as sodium hydroxide, may increase the solubility, however this has not been verified. Higher solubility rates may also be achievable using a sodium salt form, such as E4884.
To discuss further, please navigate to the link https://www.sigmaaldrich.com/techservice, click on "Product Technical Inquiries" under the Products Section and respond with all the required information so that a member of the Technical Service team can reach out to assist further. Thank you.
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