Sulfur dioxide
Cas No. 7446-09-5
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 |
Qualified |
|
Purity %≥ |
99.97 |
99.90 |
99.60 |
|
Residue%≤ |
0.010 |
0.040 |
0.20 |
|
moisture %≤ |
0.02 |
0.06 |
0.20 |
[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.
