EDTA Acid Disodium Salt Dihydrate 100G
Ethylenedinitrilotetraacetic acid disodium salt dihydrate. CAS 6381-92-6, chemical formula C₁₀H₁₄N₂O₈*2Na*2H₂O.
Manufacturer: Merck
Catalog ID: 108454.0100
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 | 
| HS Code | 2922 49 85 | 
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 | 
Toxicological Information
| LD 50 oral | LD50 Rat > 2000 mg/kg | 
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 % | 
| 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 % |