Product Description
Food grade Sodium metabisulfite for preservative CAS 7681-57-4
| Sodium metabisulfite Basic information |
|
| Product Name: | Sodium metabisulfite |
| CAS: | 7681-57-4 |
| MF: | 2Na.O5S2 |
| MW: | 190.11 |
| EINECS: | 231-673-0 |
| Mol File: | 7681-57-4.mol |
| Sodium metabisulfite Chemical Properties |
|
| Melting point | >300 °C (lit.) |
| density | 1.48 |
| storage temp. | Store at +5°C to +30°C. |
| solubility | 540 g/L (20°C) |
| form | Powder/Solid |
| color | White to slightly yellow |
| Specific Gravity | 1.48 |
| Odor | Sulphorous |
ITEM | TEST RESULT |
Sodium Metabisulphite (Na2S2O5) % | 97.21 |
SO2 % ≥ | 65 |
Fe % ≤ | 0.002 |
Clarity | clear |
AS% | <0.00009 |
Appearance | White to slightly yellowish crystialline powder |
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