Sodium thiosulfate
Product Introduction: Sodium thiosulfate (Na2S2O3, commonly known as baking soda or sea waves) is a colorless and transparent monoclinic crystal that is easily soluble in water. Its aqueous solution is weakly alkaline and insoluble in ethanol; Easily weathered in dry air and slightly deliquescent in humid air.
Inquiry NowProduct Introduction: Sodium thiosulfate (Na2S2O3, commonly known as baking soda or sea waves) is a colorless and transparent monoclinic crystal that is easily soluble in water. Its aqueous solution is weakly alkaline and insoluble in ethanol; Easily weathered in dry air and slightly deliquescent in humid air.
Main indicators: 1. Sodium thiosulfate content (calculated as Na2S2O3 · 5H2O): ≥ 99.0% 2. Iron (Fe): ≤ 0.003% 3. Water insoluble matter: ≤ 0.01% 4. pH value (50g/L aqueous solution): 6.5~9.5
Usage: Mainly used as a photographic fixative, dechlorination agent for bleached pulp and fabrics; Used as a standard titrant for iodometric method in chemical analysis; Also used as a complexing agent for electroplating, tanning, dyeing, pharmaceuticals, water treatment, and extraction of gold and silver.
Packaging: Sealed in woven bags lined with plastic bags, with a net weight of 25kg per bag. Specifications: 25kg per bag, and ton bags (1000kg) can also be provided according to customer needs.
Storage and safety instructions: It is a non hazardous material. Store in a cool, dry, and ventilated room, away from fire and heat sources, and isolated from acids and oxidants; The packaging must be sealed to prevent moisture absorption and weathering. This product decomposes into toxic sulfur dioxide gas when exposed to strong acid. Operators should wear dust masks to avoid inhaling dust and contact with eyes and skin.
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