... , as bleaching agent and preservative dried fruits, ect. Sodium hydrosulphiteQuality standardHG/2074-2004, JISK1476-1995, HG/T2682-1995Molecular ... inner polybags. Application: 1. Widely used in textile industry for vat dyeing, reduction cleaning, printing and stripping, textile ... 5. It is used as reducing agent in chemical industry.6. Sodium hydrosulfite food additive grade is used in foodstuffs, ...