Sodium hydrosulfide
Product name sodium hydrosulfide
CAS RN 16721-80-5
EINECS No. 240-778-0
Molecular formula NaHS
Molecular weight 56.0627
Dangerous goods mark C: Corrosive
risk term R31; R34;
Safety term S25; S36/37/39; S45; S50A;
Physicochemical properties Property Colorless needle-like crystal, easy to deliquesce. Industrial products are generally solutions, which are orange or yellow.
Solubility: It is easily soluble in water and alcohol, and the aqueous solution is strongly alkaline.
Melting point 55°C
Flash point 90°C
Water-Solubility 620 g/L (20°C)
Uses Used as intermediates for various organic products and additives for sulfur dyes, and also used for leather depilation, desulfurization of slime silk, and production of fertilizer and Pesticide