| C9H8O4S | Z = 2 |
| Mr = 212.22 | F(000) = 220 |
| Triclinic, P1 | Dx = 1.517 Mg m−3 |
| Hall symbol: -P 1 | Mo Kα radiation, λ = 0.71073 Å |
| a = 5.1786 (5) Å | Cell parameters from 5343 reflections |
| b = 9.2973 (9) Å | θ = 2.1–27.7° |
| c = 10.4776 (11) Å | µ = 0.33 mm−1 |
| α = 69.980 (4)° | T = 296 K |
| β = 81.959 (6)° | Block, colourless |
| γ = 79.732 (6)° | 0.33 × 0.24 × 0.15 mm |
| V = 464.69 (8) Å3 |