Sodium sulphides
Sulphides; polysulphides, whether or not chemically defined. > Sodium sulphides > Sodium sulphides
Duty Rate (from China)
Products classified under Tariff item 2830.10.00.00
Anhydrous Sodium Sulfide Powder
Anhydrous sodium sulfide powder is a pure, chemically defined compound of sodium and sulfur (Na2S). It is used in chemical synthesis, water treatment, and as a sulfur source, and it falls under tariff item 2830.10.00 as a sodium sulphide. The product is highly reactive with air and moisture, requiring careful handling.
2830.10.00High Purity Sodium Sulfide 98%+
High purity sodium sulfide at 98%+ is a chemically defined compound meeting ACS reagent specifications for laboratory and electronic applications. It is classified under tariff item 2830.10.00 as a sodium sulphide, with low iron content and amber-free properties. This grade is suitable for precise chemical processes.
2830.10.00Industrial Sodium Sulfide for Leather Tanning
Industrial sodium sulfide in coarse crystal form is optimized for leather tanning, specifically for unhairing processes. It is a chemically defined sodium sulfide compound and falls under tariff item 2830.10.00. The product is typically supplied in bulk 1-ton supersacks for manufacturing use.
2830.10.00Pharmaceutical Grade Sodium Sulfide
Pharmaceutical grade sodium sulfide is a high-purity, chemically defined compound meeting USP standards for pharmaceutical synthesis and API production. It is classified under tariff item 2830.10.00 as a sodium sulphide. The product is supplied in sealed glass bottles to maintain purity.
2830.10.00Sodium Sulfide Flakes 60%
Sodium sulfide flakes at 60% purity, typically in the form of Na2S·9H2O, are used in leather tanning, dye manufacturing, and ore flotation. This chemically defined compound falls under tariff item 2830.10.00 as a sodium sulphide. The flake form offers easier handling than powder.
2830.10.00Sodium Sulfide Nonahydrate Crystals
Sodium sulfide nonahydrate crystals (Na2S·9H2O) are the most common commercial hydrate form of sodium sulfide, used in mining and chemical manufacturing. This chemically defined compound is classified under tariff item 2830.10.00 as a sodium sulphide. The crystals range from colorless to yellow.
2830.10.00Sodium Sulfide Pearls 70% Purity
Sodium sulfide pearls at 70% purity are a pearl-form of Na2S designed for easier handling in dye and pigment production. This chemically defined sodium sulfide falls under tariff item 2830.10.00. The pearl form is less dusty than powder, improving workplace safety.
2830.10.00Sodium Sulfide Solution 12% Aqueous
Sodium sulfide solution at 12% aqueous is a dissolved form of Na2S used for wastewater treatment and depilatory applications. It is classified under tariff item 2830.10.00 as a sodium sulphide, as it is a solution of a chemically defined compound in water. The product is stored in HDPE drums to prevent reactions.
2830.10.00Technical Grade Sodium Sulfide 56% Flakes
Technical grade sodium sulfide flakes at 56% assay are used in industrial applications such as pulp bleaching and photography. This chemically defined sodium sulfide compound falls under tariff item 2830.10.00. The yellow flakes have a characteristic sulfur odor and are supplied in bulk.