70072

Ethylenediaminetetraacetic acid tripotassium salt dihydrate

puriss. p.a., ≥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: 6762497
• MDL number: MFCD00149672
• UNSPSC Code: 12352100
• PubChem Substance ID: 57652240
• NACRES: NA.21

Properties

• grade: puriss. p.a.
• Quality Level: 100
• Assay: ≥99.0% (KT)
• form: solid
• mp: 182 °C (dec.) (lit.)
• anion traces: chloride (Cl^-): ≤50 mg/kg; sulfate (SO₄^2-): ≤500 mg/kg
• cation traces: Ca: ≤20 mg/kg; Co: ≤5 mg/kg; Cr: ≤5 mg/kg; Cu: ≤5 mg/kg; Fe: ≤5 mg/kg; Mg: ≤5 mg/kg; Mn: ≤5 mg/kg; Na: ≤3000 mg/kg; Ni: ≤5 mg/kg; Pb: ≤5 mg/kg; Zn: ≤5 mg/kg
• 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

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

Safety Information

• Pictograms: GHS08,GHS07
• Signal Word: Warning
• Hazard Statements: H332,H373
• Precautionary Statements: P260 - P271 - P304 + P340 + P312 - P314 - P501
• Hazard Classifications: Acute Tox. 4 Inhalation - STOT RE 2 Inhalation
• Target Organs: Respiratory Tract
• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 2
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves