|
|
| |
Sulfur dioxide |
| [Molecular formula] |
SO2 |
| [Molecular weight] |
64.07 |
| [Standard] |
GB/T3637—93 |
[Property]
|
It is irritating and smothering colorless, relative density 2.264(0℃).m.p. -72.7℃, b.p. -10℃.vapor tension 338.32kPa, at 338.32kPa, its water solubility is 8.5%(25℃). |
| [Quality index] |
Item |
Best quality |
First quality |
Assay(Na2S2O4) %≥ |
90 |
85 |
water insolubles%≤ |
0.1 |
0.1 |
Shelf life(month) ≤ |
12 |
12 |
|
| [Packing] |
1000Kg steel cylinder |
| [Use] |
In the manufacture of inorganic sulphides or in organic synthesis; as pesticdie,bactericide, bleaching agent etc. |
| [Features] |
Easily soluble in methanol and ethanol; soluble in sulfuric acid, acetic acid and ether etc. Wet product is corrosive to metals; no mixture with the following substances: Lithium nitrate, potassium chlorate, metals etc. |
|
| |
|
|
