Sodium hydrosulfite is White free-flowing crystal powder which can be widely used in the textile industry. It belongs to the level of sodium dithionite in wet flammable items, also known as low sodium sulfite.
The former for white fine crystal and the latter is light yellow powder.Relative density 2.3-2.4, when red heat decomposition, soluble in cold water, decomposition in the hot water, insoluble in ethanol.
The nature of its aqueous solution has been unstable strong reducibility, belongs to the strong reducing agent. Exposed to the air can absorb oxygen and oxidation, but also easy to absorb moisture fever and metamorphism, and can seize the oxygen in air to agglomerate and irritating sour.
|Total other heavy metals||10ppm max|