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Description of Sodium thiosulfate Na2S2O23
Sodium thiosulfate pentahydrate is an inorganic substance with the chemical formula of Na2S2O3·5H2O.
Sodium thiosulfate Na2S2O3 is colorless monoclinic crystal, odorless and has a cool and bitter taste. The specific gravity is 1.729, heated to 100 ℃, and 5 crystal water are lost.
Soluble in water, insoluble in alcohol, with strong reducibility.
Sodium thiosulfate Na2S2O3 is easily weathered in dry air above 33 ℃ and deliquescent in humid air.
Technical Parameters of Sodium thiosulfate Na2S2O2
Items | Appearance | Na2S2O3•5H2O | Insolubles in water | Na2S | FeHeavy Metals (as Pb) | pH value (200g/L solution) | ||
Standard | White crystallin | ≥99.0 |
| ≤0.001% | ≤0.001% | 6.5-9.5 |
Product characteristics of Sodium thiosulfate
1. Sodium thiosulfate pentahydrate has strong reducibility and can reduce chlorine and other substances.
2. Sodium thiosulfate has strong complexation ability and can form complex with silver bromide.
3. Sodium thiosulfate can be used as sulfur supplement.
Precautions of Sodium thiosulfate
1. This product is non-toxic and harmless, biodegradable, but not edible.
2. If it gets into the eyes, it should be rinsed with plenty of water in time.
3. If you cause allergies to part of the human body, you should consult a doctor in time.
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Q2: Can I get a sample before placing the order? Reply: Yes, we are willing to provide you with samples of Sodium thiosulfate. For some items, it's free, you just pay for shipping. Free samples will be provided when we cooperate with each other for a period of time. |
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Q4: How and when can I receive my goods after payment for Sodium thiosulfate? Re: For a small amount of products, it only takes 1-2 days for air shipping. For large quantities, it will take about 1-2 weeks. |
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Q6: How can you guarantee the goods you offer is qualified of Sodium thiosulfate? |
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