| C19H25N2OS+·C4H3O4− | Dx = 1.299 Mg m−3 |
| Mr = 444.53 | Melting point = 457–459 K |
| Orthorhombic, P212121 | Mo Kα radiation, λ = 0.71073 Å |
| a = 11.6395 (5) Å | Cell parameters from 74983 reflections |
| b = 19.0487 (6) Å | θ = 3.2–27.5° |
| c = 20.4977 (7) Å | µ = 0.18 mm−1 |
| V = 4544.7 (3) Å3 | T = 103 K |
| Z = 8 | Prism, colourless |
| F(000) = 1888 | 0.5 × 0.3 × 0.2 mm |