Customization: | Available |
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CAS No.: | 7681-57-4 |
Formula: | 2na.O5s2 |
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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 |