1-Diazo-2-naphthol-4-sulfonic acid, 50 g

1-Diazo-2-naphthol-4-sulfonic acid, Molar mass (M) 250,23 g/mol, Storage temp. +2 to +8 °C, CAS No. 887-76-3, UN-Nr. 2925, Empirical formula C₁₀H₆N₂O₄S