Nitrilotriacetic acid
SIAL/N9877 - Sigma Grade, ≥99%
Synonym: N,N-
CAS Number: 139-13-9
Empirical Formula (Hill Notation): C6H9NO6
Molecular Weight: 191.14
EC Number: 205-355-7
MDL Number: MFCD00004287
Linear Formula: N(CH2COOH)3
Product Type: Chemical
| assay | ≥99% |
| form | powder |
| grade | Sigma Grade |
| InChI | 1S/C6H9NO6/c8-4(9)1-7(2-5 |
| InChI key | MGFYIUFZLHCRTH-UHFFFAOYSA |
| mp | 245 °C (dec.) (lit.) |
| pH | 1.7-2.7 (23 °C, 10 g/L) |
| Quality Level | 200 ![]() |
| reaction suitability | reagent type: reductant |
| SMILES string | OC(=O)CN(CC(O)=O)CC(O)=O |
| solubility | 1 M NaOH: 100 mg/mL, clear to very slightly hazy, colorless to light yellow |
| Application: | An excellent chelating agent. |
| Packaging: | 1 kg in glass bottle |
| Packaging: | 5, 100, 500 g in glass bottle |
| Symbol | ![]() GHS07,GHS08 |
| Signal word | Warning |
| Hazard statements | H319 - H351 |
| Precautionary statements | P201 - P305 + P351 + P338 - P308 + P313 |
| Hazard Codes | Xn |
| Risk Statements | 36-40 |
| Safety Statements | 26-36/37 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 2 |
| Flash Point(F) | 212.0 °F - closed cup |
| Flash Point(C) | 100 °C - closed cup |
| Purity | ≥99% |
| mp | 245 °C (dec.) (lit.) |
| UNSPSC | 12352106 |



