25kg/bag , 25kg/carton. white powder white granular Items StandardSpecificationBP 98Content≥99.0% ----- ≤100.5%% Loss on Drying≤ 2.0Heavy metal ( As, Hg, Pb )≤ 10ppm transparency and colorMatch Y PH valuequalified Chlorides≤ 200ppmCl≤ 300ppmFood Grade, BP98White powder or granular.Packed in 25kg PP bags with PE liner. Sodium Benzoate food grade BP98