1.08454

Ethylenedinitrilotetraacetic acid disodium salt dihydrate

suitable for titration

• Synonym(s): Ethylenediaminetetraacetic acid disodium salt dihydrate, Disodium dihydrogen ethylenediaminetetraacetate, Ethylenediaminetetraacetic acid disodium salt, Disodium ethylenediaminetetraacetate dihydrate, EDTA disodium salt, EDTA-Na₂, Edathamil, Edetate disodium salt dihydrate, Sequestrene Na₂
• Empirical Formula (Hill Notation): C₁₀H₁₄N₂Na₂O₈ · 2H₂O
• CAS Number: 6381-92-6
• Molecular Weight: 372.24
• Beilstein: 3900609
• UNSPSC Code: 12352107
• EC Index Number: 205-358-3
• NACRES: NA.21

Properties

• product name: Ethylenedinitrilotetraacetic acid disodium salt dihydrate, Ethylenedinitrilotetraacetic acid disodium salt dihydrate. CAS 6381-92-6, chemical formula C₁₀H₁₄N₂O₈*2Na*2H₂O.
• Quality Level: 100
• form: solid
• potency: >2000 mg/kg LD₅₀, oral (Rat)
• reaction suitability: reaction type: Complexometric reactions
• technique(s): titration: suitable
• pH: 4-5 (20 °C, 50 g/L in H₂O)
• mp: 248 °C (dec.) (lit.)
• solubility: 100 g/L
• bulk density: 700 kg/m³
• storage temp.: no temp limit
• SMILES string: O.O.O.O.[Na+].[Na+].[Na+].[Na+].OC(=O)CN(CCN(CC([O-])=O)CC([O-])=O)CC(O)=O.OC(=O)CN(CCN(CC(O)=O)CC([O-])=O)CC([O-])=O
• InChI: 1S/C10H16N2O8.2Na.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;2*+1;;/p-2
• InChI key: OVBJJZOQPCKUOR-UHFFFAOYSA-L

Description

Application

Chelator of divalent cations. Inhibits enzymes, such as metalloproteases, that require divalent cations for activity.

Analysis Note

Assay (complexometric; calculated as dihydrate): 99.0 - 101.0 %
Identity (IR-spectrum): passes test
Identity (Complexation): passes test
Identity (Sodium): passes test
pH (50 g/l; water): 4.0 - 5.5
In water insoluble matter: ≤ 0.003 %
Chloride (Cl): ≤ 0.004 %
Sulphate (SO₄): ≤ 0.01 %
Cyanide (CN): ≤ 0.001 %
Heavy metals (as Pb): ≤ 0.0005 %
Cu (Copper): ≤ 0.0001 %
Fe (Iron): ≤ 0.0005 %
Pb (Lead): ≤ 0.001 %
Nitrilotriacetic acid (HPLC): ≤ 0.05 %
Loss on drying (150 °C; 6 h): 8.7 - 11.4 %

Other Notes

Elimination of water of crystallization: 110 °C

Safety Information

• Pictograms: GHS07,GHS08
• 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