Home > Pallav Chemicals > Inorganic Salts > Ethylenediamine Tetra Acetic Acid Disodium Salt Dihydrate 99% AR
Ethylenediamine Tetra Acetic Acid Disodium Salt Dihydrate 99% AR
EDTA disodium salt
Product Code. |
01167 |
Grade |
AR |
Purity |
99% |
CAS No. |
6381-92-6 |
Molecular Formula |
C10H14N2Na2O8.2H2O |
Molecular Weight |
372.24 |
H.S.Code |
2921.21000 |
Shelf Life |
60 Months |
Physical Properties
| Physical state at 20 °C |
Solid |
Colour |
White crystalline |
Odour |
Odorless |
| pH value |
4 - 5 at 10 g/l at 23 °C |
Melting point/ Freezing point [°C] |
248 °C |
Flash point [°C] |
> 100 °C |
| Solubility in water [% weight] |
100 g/l at 20 °C |
Packaging
Specification
| Appearance | White crystalline powder |
| Assay (complexometric; on anhydrous basis) | 99.0 - 101.0% |
| pH (5% solution in water) | 4 - 5 |
| Heavy metal (as Pb) | Max 0.001% |
| Iron (Fe) | Max 0.0005% |
| Copper (Cu) | Max 0.00025% |
| Insoluble matter in water | Max 0.005% |
| Nitrilotriacetic acid | Max 0.05% |
| Chloride (Cl) | Max 0.01% |
| Sulphate (SO4) | Max 0.02% |
| Calcium (Ca) | Max 0.002% |
| Nickel (Ni) | Max 0.0005% |
| Lead (Pb) | Max 0.0005% |
| Loss on drying (at 150°C; 6 hrs) | 8.7 - 11.4% |
Safety Information and Hazard Symbols