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ED4S

Ethylenediaminetetraacetic acid tetrasodium salt hydrate

practical grade, ≥95%

Sinónimos:

EDTA tetrasodium salt, Edathamil, Tetrasodium ethylenediaminetetraacetate hydrate

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Fórmula lineal:
(NaOOCCH2)2NCH2CH2N(CH2COONa)2 · xH2O
Número CAS:
194491-31-1
Peso molecular:
380.17 (anhydrous basis)
UNSPSC Code:
12352116
NACRES:
NA.77
PubChem Substance ID:
24894710
EC Number:
200-573-9
Beilstein/REAXYS Number:
3861753
MDL number:
MFCD00150025
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grade

practical grade

Quality Level

200

assay

≥95%

form

powder

reaction suitability

reagent type: chelator

solubility

soluble, clear, colorless (32g plus 200ml of water)

InChI

1S/C10H16N2O8.4Na.H2O/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);;;;;1H2/q;4*+1;/p-4

InChI key

GXFFSKMBMYHTAE-UHFFFAOYSA-J

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Este artículo
E5391ED3SSED4SS
Ethylenediaminetetraacetic acid tetrasodium salt hydrate practical grade, ≥95%

Sigma-Aldrich

ED4S

Ethylenediaminetetraacetic acid tetrasodium salt hydrate

Ethylenediaminetetraacetic acid tetrasodium salt hydrate ≥99.0%

Sigma-Aldrich

E5391

Ethylenediaminetetraacetic acid tetrasodium salt hydrate

Ethylenediaminetetraacetic acid trisodium salt hydrate ≥95%

Sigma-Aldrich

ED3SS

Ethylenediaminetetraacetic acid trisodium salt hydrate

Ethylenediaminetetraacetic acid tetrasodium salt dihydrate 99.0-102.0% (titration)

Sigma-Aldrich

ED4SS

Ethylenediaminetetraacetic acid tetrasodium salt dihydrate

grade

practical grade

grade

-

grade

-

grade

-

assay

≥95%

assay

≥99.0%

assay

≥95%

assay

99.0-102.0% (titration)

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

300

solubility

soluble, clear, colorless (32g plus 200ml of water)

solubility

H2O: 0.1 M, clear, colorless

solubility

1 M NaOH: soluble, clear, colorless to light yellow

solubility

H2O: soluble, clear, colorless

form

powder

form

powder

form

powder

form

crystalline

reaction suitability

reagent type: chelator

reaction suitability

-

reaction suitability

reagent type: chelator

reaction suitability

reagent type: chelator

Application

EDTA is an inhibitor of metalloproteases, at effective concentrations of 1-10 mM. EDTA acts as a chelator of the zinc ion in the active site of metalloproteases, and can also inhibit other metal ion-dependent proteases such as calcium-dependent cysteine proteases. For use as an anticoagulant, disodium or tripotassium salts of EDTA are most commonly used. The optimal concentration is 1.5 mg per ml of blood.
Used to eliminate enzyme inhibition by traces of heavy metals, and to inhibit enzymes that require divalent cations as cofactors.

Preparation Note

Soluble in water at room temperature up to 1.45 M. The pH of this solution will be approximately 10 to 11 and will be rather viscous.

signalword

Danger

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - STOT RE 2

target_organs

Respiratory Tract

Clase de almacenamiento

11 - Combustible Solids

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificados de análisis (COA)

Lot/Batch Number
BCCP2656
BCCM9166
BCCM5865
BCCL5115
BCCJ9093

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Número de artículo de comercio global

SKUGTIN
ED4S-500G04061833609354
ED4S-100G04061833609347
ED4S-2.5KG04061833610848
ED4S-1KG04061826754436

Preguntas

1–2 de 2 Preguntas  

  1. How can I determine the shelf life / expiration / retest date of this product?

    1 respuesta

    1. 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

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  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 respuesta

    1. 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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