Acetic acid-d 4 (Tetradeuteroacetic acid), a deuterated carboxylic acid, is the tetradeuterated form of acetic acid. Its dissociation constant has been evaluated in deuterium oxide (D 2 O) by an emf method.
| Assay Percent | : | ≥99% |
| Boiling Point | : | 115.5 °C |
| Chemical Quantity | : | 10 x 1 mL |
| Density | : | 1.119 g/mL at 25 °C |
| Isotopic Purity | : | ≥99.5 atom % D |
| Mass Shift | : | M +4 |
| Melting Point | : | 15-16 °C |
| Refractive Index | : | n20/D 1.368 |
| Technique | : | NMR: suitable ; bio NMR: suitable |
| Form | : | liquid |
| Impurities | : | ≤0.0500% water |