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Sodium disulfite v.p.
97-100.5% Na2S2O5
For laboratory use, DAB, Ph. Eur., BP, NF Ph. Franç.
CL00.1459
CAS Nr:7681-57-4
Physical
- Form: solid
- Colour: colourless
- Melting point: 150°C (dec.)
- Boiling point: -
- Flash point: -
- Density: 1,48 g/cm3
- Mol Weight: 190.10 g/mol
- Storage temp: RT
| Art. Nr. | Pack | Mod | Stock | ||
|---|---|---|---|---|---|
| CL00.1459.1000 | 1 kg | PE | 86 |
|
|
| CL00.1459.5000 | 5 kg | PE | 1 |
Specs
- Assay : 97-100.5%
- Appearance of the solution : Clear (5% Sol.)
- Arsenic (As) <0.0002%
- Copper (Cu) <0.001%
- Iron (Fe) <0.001% (based on SO2)
- Lead (Pb) <0.0002%
- Selenium (Se) <0.0005% (based on SO2)
- Zinc (Zn) <0.001%
- Mercury (Hg) <0.0001%
- Heavy Metals as Lead (Pb) <0.001%
- Chloride (Cl) <0.01%
- Thiosulfate (S2O3) <0.02% (based on SO2)
- pH : 3.5 to 5.0 (5% Sol.)
- pH : 4.0 to 5.0 (10% Sol.)
- Residual Solvents (Ph Eur./ICH) : Excl. by manuf. process
Safety
- HS Nr: 28321000
- Signal word: Danger
-
