Sodium Sulfide is a colorless or rice particle crystallization, industrial products is red-brown or brick red block. Flake, HeGongSe, soluble in water, soluble in alcohol, insoluble in water solution in the ether, strong alkali. Easy oxidation in air, poisonous, pure show colorless crystalline powder. Industrial method for containing impurities its colour and lustre are pink and palm red and yellow.
The main purpose of the products used for manufacturing vulcanization dyestuff, leather, metal smelting depilatory cream, photographic 'rayon denitration etc. Widely used in leather making, papermaking, dressing, dyestuff production, organic intermediates, printing and dyeing, pharmacy, monosodium glutamate, man-made fiber etc.

