Min. Order Reference FOB Price
1 kg US$1.00 / kg
Product Description
SODIUM METABISULPHITE FOOD GRADE CAS NO.: 7681-57-4 Molecular Formula Na2S2O5 Molecule Weight 190.10 Appearance: White or light yellow crystalline powder. Specification : FOOD Standard Item Standard Purity (calculated with Na2S2O5) 97%min Iron (Fe) 0.005%max Arsenic (As) ...