The Role of Sodium Sulfide in Modern Manufacturing
Sodium Sulfide, chemically written as Na₂S, is a crucial compound used across many manufacturing industries due to its strong alkalinity and reactivity. It is produced in flake form and ranges in color from yellow to red depending on purity.
In leather production, sodium sulfide is applied to remove hair, grease, and natural oils from animal hides. This process improves the softness and flexibility of the leather before tanning.
In paper manufacturing, sodium sulfide is part of the Kraft pulping process, where it aids in delignification and fiber separation. It improves pulp yield and paper brightness.
Mining and metallurgy also rely on sodium sulfide for flotation of metal ores and extraction of non-ferrous metals. Its reducing properties make it suitable for recovering copper, molybdenum, and nickel.
Additionally, in water treatment, sodium sulfide neutralizes heavy metal ions like lead and mercury, converting them into insoluble compounds that are easier to remove.
Typical Specifications:
Purity: 60% min
Appearance: Yellow flakes
Solubility: Fully soluble in water
Odor: Rotten-egg-like hydrogen sulfide smell
Sodium sulfide should always be handled with caution. Contact with moisture or acids will release hydrogen sulfide gas, which is harmful when inhaled. Proper ventilation and personal protection are essential.
Thanks to its effectiveness and economic advantages, sodium sulfide remains one of the most commonly used inorganic chemicals worldwide.
For detailed specifications and quotations, please contact:
Kitty Liu | Sales Manager
Dongguan Weiqi Chemical Co., Ltd.
📱 Cel/Wechat: +86 138 2440 4576
📧 Email: kitty@weiqichem.com