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ED4SS

Sigma-Aldrich

Ethylenediaminetetraacetic acid tetrasodium salt dihydrate

99.0-102.0% (titration)

Sinonimo/i:

EDTA tetrasodium salt, Edathamil, Tetrasodium ethylenediaminetetraacetate dihydrate

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About This Item

Formula condensata:
(NaOOCCH2)2NCH2CH2N(CH2COONa)2 · 2H2O
Numero CAS:
10378-23-1
Peso molecolare:
416.20
Beilstein:
3861753
Numero CE:
200-573-9
Numero MDL:
MFCD00150026
Codice UNSPSC:
12352202
ID PubChem:
24894711
NACRES:
NA.77

Saggio

99.0-102.0% (titration)

Forma fisica

crystalline

Impiego in reazioni chimiche

reagent type: chelator

Solubilità

H2O: soluble, clear, colorless

Stringa SMILE

O.O.[Na+].[Na+].[Na+].[Na+].[O-]C(=O)CN(CCN(CC([O-])=O)CC([O-])=O)CC([O-])=O

InChI

1S/C10H16N2O8.4Na.2H2O/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);;;;;2*1H2/q;4*+1;;/p-4
KSYNLCYTMRMCGG-UHFFFAOYSA-J

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Categorie correlate

Descrizione generale

Ethylenediaminetetraacetic acid (EDTA) is a polyprotic acid and a metal chelating agent. It comprises four carboxylic acid and two amine groups with lone-pair electrons that can chelate calcium and several other metal ions. 

Applicazioni

Ethylenediaminetetraacetic acid tetrasodium salt dihydrate has been used:
  • in the decalcification of femurs for the histoprocessing and staining of osteochondral tissue
  • as a component of NH4Cl lysis buffer for erythrocyte lysis and bulk characterization
  • for the isolation of crypts from the connective tissues of mice

Azioni biochim/fisiol

Ethylenediaminetetraacetic acid (EDTA) is used to eliminate enzyme inhibition by traces of heavy metals, and to inhibit enzymes that require divalent cations as cofactors.
Ethylenediaminetetraacetic acid (EDTA) is used to treat patients poisoned with heavy metal ions. It functions as a chelator of the zinc ion in the active site of metalloproteases. EDTA inhibits other metal ion-dependent proteases such as calcium-dependent cysteine proteases. It might interfere with biological events which are metal ion-dependent. EDTA inhibits platelet aggregation and is the most preferred anticoagulant for platelet counts. It associates with other active agents to modulate microorganisms and biofilms, like citric acid, alcohol, antibiotics, polyhexamethylene biguanide (PHMB) quaternary ammonium compounds, and other antiseptics. EDTA is used as an anticoagulant for hematological testing, as it preserves the cellular components and morphology of blood cells. 

Prodotti correlati

N° Catalogo
Descrizione
Determinazione del prezzo

Avvertenze

Danger

Indicazioni di pericolo

H302 + H332,H318,H373

Classi di pericolo

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

Organi bersaglio

Respiratory Tract

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 2

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

dust mask type N95 (US), Eyeshields, Gloves

Certificati d'analisi (COA)

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Palaniappan Sethu et al.
Analytical chemistry, 76(21), 6247-6253 (2004-11-02)
Leukocyte isolation from whole blood to study inflammation requires the removal of contaminating erythrocytes. Leukocytes, however, are sensitive to prolonged exposure to hyper/hypoosmotic solutions, temperature changes, mechanical manipulation, and gradient centrifugation. Even though care is taken to minimize leukocyte activation
Giuseppe Banfi et al.
Clinical chemistry and laboratory medicine, 45(5), 565-576 (2007-05-09)
Anticoagulants are used to prevent clot formation both in vitro and in vivo. In the specific field of in vitro diagnostics, anticoagulants are commonly added to collection tubes either to maintain blood in the fluid state for hematological testing or
A Chevrier et al.
Osteoarthritis and cartilage, 15(3), 316-327 (2006-09-30)
Marrow-stimulation techniques are used by surgeons to repair cartilage lesions although consistent regeneration of hyaline cartilage is rare. We have shown previously that autologous blood can be mixed with a polymer solution containing chitosan in a glycerol phosphate (GP) buffer
Geoffroy Goujon et al.
Advanced healthcare materials, 10(11), e2100059-e2100059 (2021-04-24)
Oxidative stress, which is one of the main harmful mechanisms of pathologies including ischemic stroke, contributes to both neurons and endothelial cell damages, leading to vascular lesions. Although many antioxidants are tested in preclinical studies, no treatment is currently available
Michael L Salinas et al.
Biophysical journal, 118(4), 885-897 (2019-10-22)
The increasing prevalence of adult and adolescent obesity and its associated risk of colorectal cancer reinforces the urgent need to elucidate the underlying mechanisms contributing to the promotion of colon cancer in obese individuals. Adiponectin is an adipose tissue-derived adipokine
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