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Tetrahydro-2,5-dioxo-3-furansulfonic acid, sodium is a chemical reagent known for its excellent moisture-determination activity. It is widely employed as a titrant in the Karl Fischer titration method to assess the moisture content in various samples, highlighting its significant value in chemical analysis.

| Pack Size | Price | USA Warehouse | Global Warehouse | Quantity |
|---|---|---|---|---|
| 50 mg | Inquiry | Inquiry | Inquiry | |
| 100 mg | Inquiry | Inquiry | Inquiry | |
| 250 mg | Inquiry | Inquiry | Inquiry |
| Description | Tetrahydro-2,5-dioxo-3-furansulfonic acid, sodium is a chemical reagent known for its excellent moisture-determination activity. It is widely employed as a titrant in the Karl Fischer titration method to assess the moisture content in various samples, highlighting its significant value in chemical analysis. |
| Molecular Weight | 202.12 |
| Formula | C4H3NaO6S |
| Cas No. | 73464-18-3 |
| Smiles | O=C1OC(C(S(=O)([O-])=O)C1)=O.[Na+] |
| Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year |
Dissolve 2 mg of the compound in 100 μL DMSO
to obtain a stock solution at a concentration of 20 mg/mL . If the required concentration exceeds the compound's known solubility, please contact us for technical support before proceeding.
1) Add 100 μL of the DMSO
stock solution to 400 μL PEG300
and mix thoroughly until the solution becomes clear.
2) Add 50 μL Tween 80 and mix well until fully clarified.
3) Add 450 μL Saline,PBS or ddH2O
and mix thoroughly until a homogeneous solution is obtained.
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