Ethylenediaminetetraacetic acid disodium salt dihydrate - 27285H
Code: 27285H
Ethylenediaminetetraacetic acid disodium salt dihydrate
meets analytical specification of Ph. Eur., BP, USP, FCC, 99.0-101.0%
Meets analytical specification of Ph. Eur., BP, USP, FCC, 99.0-101.0%
CAS Number: 6381-92-6
Molar Mass: 372.24 g/mol
| Property |
Value |
| Identity (IR) |
complying |
| Assay (calculated to the dried substance) |
99.0 - 101.0 % |
| Loss on drying (150°C) |
8.7 - 11.4 % |
| PH (1 %,25°C) |
4.3 - 4.7 |
| PH (5 %, 25 °C) |
4.0 - 6.0 |
| PH (5 %, 20°C) |
4.0 - 5.0 |
| Arsenic (As) |
max. 0.0001 % |
| Calcium (Ca) |
complying |
| Iron (Fe) |
max. 10 ppm |
| Lead (Pb) |
max. 10 ppm |
| Heavy metals (as Pb) |
max. 10 ppm |
| Chloride (Cl) |
max. 0.01 % |
| Cyanide (CN) |
max. 0.001 % |
| Sulfate (SO4) |
max. 0.05 % |
| Nitrilotriacetic acid (HPLC) |
max. 0.1 % |
| Residual solvents |
complying |
| Appearance of the solution |
complying |
| Property |
Value |
| Freezing point |
244 - 250 °C |