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Sodium hydrosulfite (dithionite) is an inorganic substance, the sodium salt of sulfurous acid. Fine-crystalline powder of white color, may be with a yellowish or grayish tinge, with a pungent smell of sulfur dioxide. Water soluble. In case of an overdose, it can cause severe allergic reactions, gastrointestinal diseases. Dithionite is prepared from sodium carbonate or bicarbonate and sulfur dioxide. |
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APPLICATION AREA
PACKAGING AND STORAGESodium dithionite (sodium hydrosulfite) is supplied in industrial packaging: metal drum, weight 50 kg. Sodium dithionite (sodium hydrosulfite) is recommended to be transported and stored under the following conditions: It is necessary to store sodium hydrosulfite in a closed original packaging, in a cool, dry, well-ventilated area and only on pallets. Subject to the conditions of transportation and storage in unopened original packaging, the warranty period of storage of sodium dithionite (sodium hydrosulfite) is 2 years from the date of manufacture. DELIVERYSodium dithionite is transported by all available modes of transport (except air), in covered vehicles in accordance with the rules for the carriage of goods. |
PHYSIOCHEMICAL PROPERTIES
Indicators |
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Норма по ГОСТ 246-76 |
Import product indicators |
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Appearance |
White crystalline powder |
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Mass fraction of sodium hydrosulfite (Na2S2O4), %, not less than |
86.0 |
88.68 |
Iron content, ppm, no more |
18.00 |
18.00 |
Insoluble in water, %, no more |
1 |
0.68 |