Sulfur dioxide (7446-09-5) properties:
1, at room temperature for colorless gas, irritating odor.
2, density 2.26, boiling point of-10 DEG C, the melting point of -72.7 deg..
3, soluble in water, ethanol, methanol, ether and chloroform.
4, strong permeability, can quickly penetrate a variety of gaps, but also easy to be adsorbed items, especially moist items.
5, disappearing slowly from the fabric; according to the different nature of the fabric, the dissipation of 6 to 25 days.
6, the fabric can fade, deterioration, loss of luster books, but also corrosion of metal, so that food can not eat.
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