Sodium Sulfide Yellow Flake
Product Overview:
CAS #: 27610-45-3
Sodium sulfide yellow flake is a strong reducing and alkaline compound used across leather, chemical manufacturing, and water treatment applications. It is commonly employed in leather tanning for hide dehairing, where it breaks down keratin to loosen hair from the hide prior to tanning. Additionally, it serves as a processing chemical in pulp and paper manufacturing, contributing to the kraft pulping process. Sodium sulfide is also utilized in industrial and municipal wastewater treatment for heavy metal precipitation, effectively removing dissolved metals from process water. Furthermore, it finds applications in mining flotation processes for ore separation and beneficiation.
Relevant identified uses:
Chemicals for various applications
Additive for paper production
Tannery
Textile auxiliary
Mining chemical
Uses advised against:
Do not use for squirting or spraying
Do not use for products which come into direct contact with the skin
Documentation:
Technical Information:
Appearance
Yellow Flake
Na2S
≥ 60 %
Na2CO3
≤ 2 %
Fe
≤ 10 ppm
Water Insoluble
≤ 0.02 %
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