
90% Sodium Hydrosulfite Sodium Dithionite Insurance Powder Paper Bleaching Chemical CAS 7775-14-6. High Purity Options: Available in 85%, 88%, and 90% purity grades for various industrial needs. Versatile Applications: Used in dyeing, water treatment, rust removal, photography, and soil chemistry. Low Toxicity Profile: Features low toxicity with an LD50 of 2.5 g/kg in rats (oral). Flexible Packaging: Offers 25kg/bag, 220kg/drum, IBC tanks, Flexitank, and ISO TANK options. Professional Support: Includes 16 years of experience, R&D team, and professional after-sales service. Customization Services: Provides full customization, minor customization, and sample-based customization. Stable Supply Chain: Annual output of 800,000 tons with bulk vessel and container transportation. Quality Guarantee: Every batch is tested and COA provided before delivery by professional R&D team.