Astech Ireland Ltd. is ISO 9001-2015 accredited, certified by NQA.
Sulphurous acid, 6 % SO2 in H2O, 10 l, PE/steel
Sulphurous acid, 6 % SO2 in H2O, Molar mass (M) 82,02 g/mol, Density (D) 1,03 g/cm³, CAS No. [7782-99-2], UN-Nr. 1833, EG-Nr. 231-973-1, Empirical formula H2SO3