TABLE 1.
Screening of compound F8 related organic salts.
| Some acids | The corresponding organic salts | Crystalline | Hygroscopic | Solubility | Stability |
|---|---|---|---|---|---|
| L-tartaric | None | -- | -- | -- | -- |
| D-tartaric | None | -- | -- | -- | -- |
| Citric | None | -- | -- | -- | -- |
| Fumaric | None | -- | -- | -- | -- |
| Oxalic | None | -- | -- | -- | -- |
| Methyl-salicylic | None | -- | -- | -- | -- |
| Maleic | None | -- | -- | -- | -- |
| L-melic | None | -- | -- | -- | -- |
| D-melic | None | -- | -- | -- | -- |
| Benzenesulfonic | None | -- | -- | -- | -- |
| Succinic | None | -- | -- | -- | -- |
| Adipic | None | -- | -- | -- | -- |
| Mesylate | F8·2CH3SO2OH | None, oily substance | -- | -- | -- |
| Hydrobromic acid | F8·2HBr | crystallization | Strong moisture absorption | -- | -- |
| Sulfuric acid | F8·H2SO4 | crystallization | Almost no moisture absorption | Soluble | Easily oxidized in air |
| Hydrochloric acid | F8·2HCl | crystallization | Almost no moisture absorption | Soluble | Keep stable in extreme environment |