sodium hydrosulfite


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sodium hydrosulfite

[′sōd·ē·əm ‚hī·drə′səl‚fīt]
(inorganic chemistry)
Na2S2O4 A fire-hazardous, lemon to whitish-gray powder; soluble in water, insoluble in alcohol; melts at 55°C; used as a chemical intermediate and catalyst and in ore flotation. Also known as sodium dithionite.
References in periodicals archive ?
Archroma's eco-advanced manufacture of Denisol Indigo 30 does not use sodium hydrosulfite.
1% sodium hydrosulfite in polymer solids increases the yellowness rating of the non-yellowing composition from an excellent 2 to a rather poor 6.
Chlor Alkali Products manufactures chlorine and caustic soda, sodium hydrosulfite, hydrochloric acid, hydrogen, potassium hydroxide and bleach products.