Dithionites and sulphoxylates; other than sodium

HS code 283190 covers a group of chemical compounds known as dithionites and sulphoxylates, excluding those containing sodium. These compounds play a crucial role in various industrial processes, finding applications in fields such as textile manufacturing, paper production, and water treatment. As an essential part of the broader chemical industry, the dithionites and sulphoxylates market contributes significantly to the global economy, supporting a wide range of downstream industries and enabling the development of innovative products and technologies.

The production of dithionites and sulphoxylates, other than sodium, typically involves a series of chemical reactions and purification processes. The key steps include the reduction of sulfur-containing compounds, such as sulfites or sulfates, using reducing agents like hydrogen or carbon monoxide. The resulting dithionites and sulphoxylates are then separated, purified, and prepared for various applications.

The main inputs required for the production of dithionites and sulphoxylates, other than sodium, include sulfur-containing raw materials, such as 283210 Sodium sulphites, 283220 Sulphites, other than sodium, and 283230 Thiosulphates. Additionally, the production process requires various chemical reagents, specialized equipment, and energy sources to facilitate the necessary chemical reactions and purification steps.

The primary outputs of HS code 283190 are dithionites and sulphoxylates, which find applications in a wide range of industries. These compounds are used as reducing agents, bleaching agents, and preservatives in industries such as 520100 Silk, 470100 Pulp of wood or of other fibrous cellulosic material, and 281500 Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides. The dithionites and sulphoxylates produced under this code may also be consumed by other chemical manufacturers, who incorporate them into their own products or use them as intermediates in their production processes.