Ethylenedinitrilotetraacetic Acid Disodium 1kg
Ethylenedinitrilotetraacetic acid disodium salt dihydrate. CAS 6381-92-6, chemical formula C₁₀H₁₄N₂O₈*2Na*2H₂O.
Manufacturer: Merck
Catalog ID: 108454.1000
Stock: In Stock
Description
| Catalogue Number | 108454 |
| Synonyms | Disodium dihydrogen ethylenediaminetetraacetate, Ethylenediaminetetraacetic acid disodium salt |
| Description | Ethylenedinitrilotetraacetic acid disodium salt dihydrate |
Product Information
| CAS number | 6381-92-6 |
| EC number | 205-358-3 |
| Hill Formula | C₁₀H₁₄N₂Na₂O₈*2H₂O |
| Chemical formula | C₁₀H₁₄N₂O₈*2Na*2H₂O |
| Molar Mass | 372.24 g/mol |
Applications
| Application | Ethylenedinitrilotetraacetic acid disodium salt dihydrate. CAS 6381-92-6, chemical formula C₁₀H₁₄N₂O₈*2Na*2H₂O. |
Physicochemical Information
| Melting Point | 110 °C Elimination of water of crystallisation |
| pH value | 4 - 5 (50 g/l, H₂O, 20 °C) |
| Bulk density | 700 kg/m3 |
| Solubility | 100 g/l |
Storage and Shipping Information
| Storage | Storage temperature: no restrictions. |
Specifications
| 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 % |
| ≤ 0.004 % | ≤ 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 % |
