C10H12N3O3S+·C7H3N2O7−	Z = 2
Mr = 481.41	F(000) = 496
Triclinic, P1	Dx = 1.609 Mg m−3
Hall symbol: -P 1	Mo Kα radiation, λ = 0.71073 Å
a = 8.5551 (1) Å	Cell parameters from 6718 reflections
b = 10.5000 (2) Å	θ = 1.8–32.6°
c = 12.7576 (3) Å	µ = 0.23 mm−1
α = 106.463 (1)°	T = 296 K
β = 100.913 (1)°	Prism, yellow
γ = 108.272 (1)°	0.20 × 0.20 × 0.16 mm
V = 993.72 (3) Å3