Products Leather Treatment Sodium Sulphide

Product Information - Sodium Sulphide


Sodium sulfide is the chemical compound with the formula Na2S, or more commonly its hydrate Na2S·9H2O. Both are colorless water-soluble salts that give strongly alkaline solutions.
Storage conditions: Store in dry, cool and ventilated area. Avoid direct sunlight.
Shelf life: 2 years
Appearance: Yellowish flakes
Packing: 25kg polypropilene paper bags


Na2CO3: ≤ 2%
Moisture: ≤ 0,5% anhydrous and ≤ 8,8% monohydrated
Iron: ≤ 0,003%
Water Insoluble: ≤ 0,05%
Assay: ≥ 60% or ≥ 50%


Sodium sulfide is primarily used in pulp and paper industry in the Kraft process and in leather treatment. It is used in water treatment as an oxygen scavenger agent and also as a metals precipitant, in chemical photography for toning black and white photographs, in textile industry as a bleaching, etc.


Possehl Erzkontor GmbH & Co. KG
Beckergrube 38-52
23552 Lübeck

Phone:  +49 - (0) 451 - 148 0
Fax:  +49 - (0) 451 - 148 355