Ethylenediaminetetraacetic acid tetrasodium salt hydrate
SIAL/27261 - purum, ≥80% C10H12N2Na4O8 basis
Synonym: Tetrasodium ethylenediaminetetraacetate hydrate
CAS Number: 194491-31-1
Empirical Formula (Hill Notation): C10H12N2Na4O8 · xH2O
Molecular Weight: 380.17 (anhydrous basis)
EC Number: 200-573-9
MDL Number: MFCD00150025
Linear Formula: (NaO2CCH2)2NCH2CH2N(CH2CO2Na)2·xH2O
Product Type: Chemical
| anion traces | sulfate (SO42-): ≤0.2% |
| assay | ≥80% C10H12N2Na4O8 basis |
| cation traces | Fe: ≤50 mg/kg |
| form | solid |
| grade | purum |
| impurities | ≤15% water (Karl Fischer) |
| InChI | 1S/C10H16N2O8.4Na.H2O/c13 |
| InChI key | GXFFSKMBMYHTAE-UHFFFAOYSA |
| mp | >300 °C (lit.) |
| Quality Level | 200 ![]() |
| SMILES string | [Na+].[Na+].[Na+].[Na+].[ |
| Symbol | ![]() ![]() GHS05,GHS07,GHS08 |
| Signal word | Danger |
| Hazard statements | H302 + H332 - H318 - H373 |
| Precautionary statements | P260 - P280 - P301 + P312 + P330 - P305 + P351 + P338 + P310 |
| Hazard Codes | Xn |
| Risk Statements | 22-41 |
| Safety Statements | 26-39-46 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 2 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥80% C10H12N2Na4O8 basis |
| mp | >300 °C (lit.) |
| UNSPSC | 12352100 |




