Description
| Appearance | Yellow Flakes |
|---|---|
| Odor | Stench |
| Density | Not applicable |
| Boiling Point | No information available |
| Melting Point | 55 °C / 131 °F |
| Flash Point | 90 °C / 194 °F |
| PH | 11 |
| Stability | Hygroscopic. Temperatures above 50°C. Incompatible products. Exposure to moist air or water. Keep away from open flames, hot surfaces and sources of ignition. Acids, Strong oxidizing agents, Metals, copper |
| Water Solubility | 620 g/L (20°C) |
Description:
Sodium Hydrosulfide Flakes (NaHS 70%) are industrial-grade inorganic compounds typically presented as yellow, hygroscopic flakes with a characteristic sulfurous odor. With a molecular formula of NaHS·xH₂O and a melting point of 55°C, they exhibit strong alkalinity (pH ~11) and high solubility in water (620 g/L at 20°C).
Renowned for their effective reducing ability and mineral activation properties, NaHS 70% plays a critical role in processes that require selective interaction with metal ions or organic substrates. It is classified under UN No. 2949, Hazard Class 8, Packing Group II, and must be stored under controlled conditions to prevent degradation or hazardous reactions.
Thanks to their versatility and proven performance, sodium hydrosulfide flakes are widely utilized across the mining, pulp and paper, leather processing, and chemical manufacturing industries.
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