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243973
Fluka
Sodium bisulfite
SKU
243973
Reag. ACS, mixture of NaHSO3 and Na2S2O5
Synonym(s)
Sodium hydrogen sulfite;sodium hydrogensulfite;Sodium bisulphite;Monosodium sulfite;Sodium sulhydrate;
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| Brand Fluka | CAS Numbers (All) | MDL Number | Molar Mass NaHSO3: 104.06 g/mol and Na2S2O5: 190.11 g/mol | RTECS Number VZ2000000 |
| Synonyms Sodium hydrogen sulfite;sodium hydrogensulfite;Sodium bisulphite;Monosodium sulfite;Sodium sulhydrate; |
Documents
Specifications
| Property | Value |
|---|---|
| Identity (IR) | complying |
| Assay of total-SO2 | min. 58.5 % |
| Water insoluble matter | max. 0.005 % |
| Iron (Fe) | max. 0.002 % |
| Heavy metals (as Pb) | max. 0.001 % |
| Chloride (Cl) | max. 0.02 % |
Properties
| Property | Value |
|---|---|
| Autoignition Temperature | Not auto-flammable |
| Boiling Point/Range | Decomposes on heating |
| Certification | ACS Reagent |
| Color | Colorless |
| Concentration | 100.00% |
| Density | 2.36 g/cm3 (20 °C) |
| Flashpoint | Not applicable |
| Form | Solid |
| Grade | ACS Grade |
| Incompatible Materials | Contact with strong acids liberates sulphur dioxide..Oxidizing agents |
| Lower Explosion Limit | Not applicable |
| Melting Point/Range | > 150 °C.Decomposes without melting. |
| Partition Coefficient | -3.7 |
| Solubility in Water | (20 °C) |
| Upper Explosion Limit | Not applicable |
| Vapor Density | 2.36 g/cm3 (20 °C) |
| Vapor Pressure | Negligible |
| Viscosity | No data available |
| pH-Value | 3.5 - 5.0 at50 g/l (20 °C) |
| Storage Temperature | Room Temperature |
Safety Information
| Property | Value |
|---|---|
| Hazard Class | N/A |
| Package Group | N/A |
| UN ID | N/A |
