grade | for ion pair chromatography |
assay | ≥99.0% (AT) |
≥99.0% | |
mp | 141-143 °C(lit.) |
144-146 °C | |
λ | 10 % in acetonitrile |
UV absorption | λ: 290 nm Amax: 0.1 |
λ: 300 nm Amax: 0.05 | |
λ: 320 nm Amax: 0.02 | |
λ: 500 nm Amax: 0.02 | |
suitability | corresponds to standard for filter test |