Being a customer focused organization, we are engaged in offering a wide assortment of Sodium Bisulphite. These products are primarily used to prevent fruit canning from killing microbes and browning. Our professionals formulate this range using superior quality chemical solution. Furthermore, this is widely used as photographic pharmaceutical chemical and for fermentation purposes. Salient features: Prevent oxidation Accurate composition Pure Preserve flavor Safe to use Specifications: Formula: NaHSO3 CAS# 7631-90-5 Description: Dry, white or cream colored powder, free from extraneous matter Purity (as SO2 ) Min.: 62% (w/w) pH of 5% Solution: 4.0-5.5