| EDTA Disodium Dihydrate – ACS | |
| CAS NO. : 6381-92-6 | FORMULA WEIGHT : 372.24 |
| GRADE : ACS | FORMULA : C10H14N2Na2O8.2H2O |
| TEST | SPECIFICATION |
| Description | White Crystalline powder. |
| Solubility (5 %) | Clear & colourless |
| Assay | min.99.0 – 101.0% |
| pH (5% aq solution) | 4.0 – 6.0 |
| Insoluble matter | Max 0.005% |
| Iron | Max 0.01% |
| Heavy metal | Max 0.005% |
| Nitrilotriacetate | Max 0.1% |
| EDTA Disodium Dihydrate – AR | |
| CAS NO. : 6381-92-6 | FORMULA WEIGHT : 372.24 |
| GRADE : AR | FORMULA : C10H14N2Na2O8.2H2O |
| TEST | SPECIFICATION |
| Description | White Crystalline powder. |
| Solubility (5 %) | Clear & colourless |
| Assay | min.99.5% |
| pH (5% aq solution) | 4.3 – 4.7 |
| Insoluble matter: | Max 0.003% |
| Copper(Cu): | Max 0.0001% |
| Chloride: | Max 0.004% |
| Sulphate (SO4): | Max 0.02% |
| Iron: | Max 0.0005% |
| Heavy metal: | Max 0.0005% |
| Nitrilotriacetate: | Max 0.025% |
| EDTA Disodium Dihydrate – LR | |
| CAS NO. : 6381-92-6 | FORMULA WEIGHT : 372.24 |
| GRADE : LR | FORMULA : C10H14N2Na2O8.2H2O |
| TEST | SPECIFICATION |
| Description | White Crystalline powder. |
| Solubility (5 %) | Clear & colourless |
| Assay | min.99.0% |
| pH (5% aq solution) | 4.0 – 4.7 |
| Chloride | Max 0.01% |
| Iron | Max 0.005% |
| Sulphate | Max 0.02% |
| Nitrilotriacetate | Max 0.025% |
| EDTA Disodium Dihydrate – BP | |
| CAS NO. : 6381-92-6 | FORMULA WEIGHT : 372.24 |
| GRADE : BP | FORMULA : C10H14N2Na2O8.2H2O |
| TEST | SPECIFICATION |
| Description | White or almost white crystalline powder |
| Solubility | Soluble in water, practically insoluble in ethanol |
| Identification | Complies |
| Assay | min.98.5 – 101.0% |
| pH (5% aq solution) | 4.0 – 5.5 |
| Appearance of solution | passes |
| Impurities A | max 0.1% |
| Iron | max 0.008% |
| Heavy metals | max 0.002% |
| EDTA Disodium Dihydrate – IP | |
| CAS NO. : 6381-92-6 | FORMULA WEIGHT : 372.24 |
| GRADE : IP | FORMULA : C10H14N2Na2O8.2H2O |
| TEST | SPECIFICATION |
| Description | White crystalline powder, odourless |
| Solubility | Soluble in water, practically insoluble in ethanol (95%) |
| Identification | Complies |
| Assay | min.98.5 – 101.0% |
| pH (5% aq solution) | 4.0 – 5.5 |
| Appearance of solution | passes |
| Impurities A | max 0.1% |
| Iron | max 0.008% |
| Heavy metals | max 0.002% |