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Sodium hydrosulfide (solid) (Nahs 70% flakes)
Product classification
- Details
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- Commodity name: Sodium hydrosulfide (solid) (Nahs 70% flakes)
It is used in large quantities for copper ore dressing in the mining industry. It is used in the production of man-made fibers for dyeing and so on.
Sodium Hydrosulfide
Appearance and description: White to colorless cubic crystals with an odor of hydrogen sulfide. Normally, its solution is used in industrial products, with orange or yellow color.
Melting point (°C): 350
Relative density (Water = 1): 1.79
Flash point (°C): 90
Solubility: Soluble in water, ethanol, ether, etc.
Solubility value: 620 g/L (20°C)
Technical Parameter
Product Name Nahs 70% flakes Cas No. 16721-80-5 Batch No. 20240615 Quantity 30MT Manufacturing Date 2024/6/15 Expiry Date 2025/6/15 Reference Standard Q/371625 YFH021-2019 Test Items Specification Test Results Apperance Yellow Flakes Yellow Flakes NASH % ≥70 71.14 Na2S % ≤2.0 1.05 Na2CO3 % ≤2 0.52 Fe ppm ≤20 0.000864 The quality conforms to the requirement of specification.The packing can meet the standard of long distance transport. Application of the Product
In dyeing industry, it is used as an auxiliary agent for the synthesis of organic intermediates and the preparation of sulfurized dyes. In leather industry, it is used for dehairing and tanning of raw hides, and effluent treatment. In fertilizer industry, it is used for removing elemental sulfur from activated carbon desulfurizers. What’s more, it is also used as raw material for production of ammonium sulfide and semi-finished pesticides. In mining industry, it is extensively used for copper ore beneficiation. In the production of synthetic fiber, it is used for dyeing.
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