| GB # 42009
CAS No. 7757-83-7
Molecular formula Na2S
Brown or brick red block
Melting point:1180 ℃
Solubility: soluble in water, do not dissolve in ether, micro-soluble in ethanol
Density: the relative density (water = 1) 1.86
Stability: stability
Dangerous Marker: 20 (alkaline corrosive substances)
Main purposes: used in Sulfur Dyes, leather hair removal agent, metal smelting, photography, and Rayon denitrification
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