03664

Ethylenediaminetetraacetic acid tripotassium salt dihydrate

BioUltra, ≥99.0% (KT)

• Synonym(s): EDTA tripotassium salt, Edathamil, Tripotassium ethylenediaminetetraacetate dihydrate
• Linear Formula: (KOOCCH₂)₂NCH₂CH₂N(CH₂COOK)CH₂COOH · 2H₂O
• CAS Number: 65501-24-8
• Molecular Weight: 442.54
• Beilstein/REAXYS Number: 6762497
• MDL number: MFCD00149672
• UNSPSC Code: 12352116
• PubChem Substance ID: 329747757
• NACRES: NA.25

Properties

• product line: BioUltra
• Quality Level: 100
• assay: ≥99.0% (KT)
• form: powder or crystals
• reaction suitability: reagent type: chelator
• impurities: insoluble matter, passes filter test
• pH: 7.0-9.0 (25 °C, 0.1 M in H₂O)
• mp: 182 °C (dec.) (lit.)
• solubility: H₂O: 0.1 M at 20 °C, clear, colorless
• anion traces: chloride (Cl^-): ≤50 mg/kg; sulfate (SO₄^2-): ≤500 mg/kg
• 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
• λ: 0.1 M in H₂O
• UV absorption: λ: 260 nm A_max: 1.5; λ: 280 nm A_max: 0.05
• SMILES string: [K+].[K+].[K+].[H]O[H].[H]O[H].OC(=O)CN(CCN(CC([O-])=O)CC([O-])=O)CC([O-])=O
• 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

Description

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.

Used to eliminate inhibition of enzyme catalyzed reactions due to traces of heavy metals

Safety Information

• pictograms: GHS08,GHS07
• signalword: Warning
• hcodes: H332,H373
• pcodes: P260 - P271 - P304 + P340 + P312 - P314 - P501
• Hazard Classifications: Acute Tox. 4 Inhalation - STOT RE 2 Inhalation
• target_organs: Respiratory Tract
• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 2
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: dust mask type N95 (US), Eyeshields, Gloves