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Ethylenediaminetetraacetic acid tripotassium salt dihydrate

SIGMA/E0270 - 98% (titration)

Synonym: EDTA tripotassium salt; Edathamil; Tripotassium ethylenediaminetetraacetate dihydrate

CAS Number: 65501-24-8
Empirical Formula (Hill Notation): C10H13K3N2O8 · 2H2O
Molecular Weight: 442.54
MDL Number: MFCD00149672
Linear Formula: (KOOCCH2)2NCH2CH2N(CH2COOK)CH2COOH · 2H2O
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-E0270-25G 25 g
 $107.00
1/EA		 Add To Favorites
45-E0270-100G 100 g
 $203.00
1/EA		 Add To Favorites

 

assay 98% (titration)
biological source synthetic
form powder
InChI 1S/C10H16N2O8.3K.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;3*+1;;/p-3
InChI key MAPFUJCWRWFQIY-UHFFFAOYSA-K
mp 182 °C (dec.) (lit.)
pH 8-9 (20 °C, 50 g/L)
Quality Level 200 
reaction suitability reagent type: chelator
SMILES string [K+].[K+].[K+].[H]O[H].[H]O[H].OC(=O)CN(CCN(CC([O-])=O)CC([O-])=O)CC([O-])=O
solubility 3 M KOH: 160 mg/mL, clear, colorless
storage temp. room temp
Application: Ethylenediaminetetraacetic acid tripotassium salt dihydrate has been used to coat conical tubes to collect trunk blood for tissue and plasma samples. It has also been used in tubes to collect blood to perform mixed meal test (MMT).
Application: Used to eliminate inhibition of enzyme catalyzed reactions due to traces of heavy metals
Biochem/physiol Actions: Ethylene diamine tetraacetic acid (EDTA) chelates divalent cations like calcium and magnesium in whole blood. It is usually available as a salt, complexed with either potassium or sodium. It is mostly used during hematological tests of the blood sample. It helps to maintain the cellular morphology to prepare blood smears for microscopic analysis. EDTA is abundantly used in RNA purification methods.
Packaging: 25, 100 g in poly bottle
Purity 98% (titration)
mp 182 °C (dec.) (lit.)
Storage Temp. room temp
UNSPSC 12352116

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