1.08445

Ethylenedinitrilotetraacetic acid tripotassium salt dihydrate

suitable for titration

• Synonym(s): Ethylenedinitrilotetraacetic acid tripotassium salt dihydrate
• Empirical Formula (Hill Notation): C₁₀H₁₃K₃N₂O₈ · 2H₂O
• CAS Number: 65501-24-8
• Molecular Weight: 442.54
• UNSPSC Code: 12352107
• EC Index Number: 241-543-5
• NACRES: NA.21
• MDL number: MFCD00149672

Properties

• Product Name: Ethylenedinitrilotetraacetic acid tripotassium salt dihydrate, Ethylenedinitrilotetraacetic acid tripotassium salt dihydrate. CAS 65501-24-8, pH 8 - 9 (50 g/l, H₂O, 20 °C).
• Quality Segment: 100
• form: solid
• reaction suitability: reaction type: Complexometric reactions
• technique(s): titration: suitable
• pH: 8-9 (20 °C, 50 g/L in H₂O)
• mp: 180-185 °C
• storage temp.: no temp limit
• SMILES string: [K+].[K+].[K+].[N+H](CCN(CC(=O)[O-])CC(=O)[O-])(CC(=O)[O-])CC(=O)[O-].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

Analysis Note

Assay (complexometric, calc. on anhydrous substance): ≥ 99 %
Identity (IR-spectrum): passes test
Identity (Potassium): passes test
pH (50 g/l; water): 7.0 - 9.0
Chloride (Cl): ≤ 0.01 %
Heavy metals (as Pb): ≤ 0.002 %
Fe (Iron): ≤ 0.001 %
Water (according to Karl Fischer): 7 - 9 %

Safety Information

• signalword: Warning
• 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: WGK 2
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• pictograms: GHS08,GHS07
• hcodes: H332,H373