• British Pharmacopoeia Volume V
  • Appendices
  • Appendix I A. General Reagents

Hydrazine Sulfate
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Hydrazine Sulfate Hydrazine sulphate; N2H4,H2SO4 = 130.1 (10034-93-2)

Colourless crystals, sparingly soluble in cold water, soluble in hot water (50°) and freely soluble in boiling water, practically insoluble in ethanol (96%).

Arsenic (2.4.2, Method A): maximum 1 ppm, determined on 1.0 g.

Sulfated ash (2.4.14): maximum 0.1%.