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Ethylenediaminetetraacetic acid tripotassium salt dihydrate

SIAL/03664 - BioUltra, ≥99.0% (KT)

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
45-03664-100G 100 g
 $0.00
1/EA
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45-03664-500G 500 g
 $687.00
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λ 0.1 M in H2O
anion traces chloride (Cl-): ≤50 mg/kg
  sulfate (SO42-): ≤500 mg/kg
assay ≥99.0% (KT)
cation traces Al: ≤5 mg/kg
  As: ≤0.1 mg/kg
  Ba: ≤5 mg/kg
  Bi: ≤5 mg/kg
  Ca: ≤20 mg/kg
  Cd: ≤5 mg/kg
  Co: ≤5 mg/kg
  Cr: ≤5 mg/kg
  Cu: ≤5 mg/kg
  Fe: ≤5 mg/kg
  Li: ≤5 mg/kg
  Mg: ≤5 mg/kg
  Mn: ≤5 mg/kg
  Mo: ≤5 mg/kg
  Na: ≤2000 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Sr: ≤5 mg/kg
  Zn: ≤5 mg/kg
form powder or crystals
impurities insoluble matter, passes filter test
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 7.0-9.0 (25 °C, 0.1 M in H2O)
product line BioUltra
Quality Level 100 
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 H2O: 0.1 M at 20 °C, clear, colorless
UV absorption λ: 260 nm Amax: 1.5
  λ: 280 nm Amax: 0.05
Application: Ethylenediaminetetraacetic acid tripotassium salt dehydrate can be used to study chelators, biochemicals and reagents. EDTA tripotassium salt has been used in a study to assess the safety of EDTA and HEDTA ingredients in cosmetic formulations.
Application: Used to eliminate inhibition of enzyme catalyzed reactions due to traces of heavy metals
Purity ≥99.0% (KT)
mp 182 °C (dec.) (lit.)
UNSPSC 12352116

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