Sulfur dioxide is a gas. Learn more about sulfur dioxide in this article. Volcanic eruption will lead to release of SO2 into the atmosphere. Sulphur Dioxide is widely used as a food preservative because of the following reasons : * It acts as an antioxidant. It is produced in huge quantities in intermediate steps of sulfuric acid manufacture.

Because of this , it maintains the appearance of fruits and prevents rotting. The equation for the reaction between sulfur dioxide and oxygen to produce sulfur trioxide is 2 SO2 + O2 -> 2 SO3. Sulfur: Sulfur is a chemical element with the atomic number 16, and the chemical symbol S. In its pure form, sulfur is yellow. Sulfur Dioxide (SO2) is a chemical compound with 197.69 K and 1.67 kPa triple point. Sulfur dioxide (also sulphur dioxide, sulfurous anhydride or sulphurous anhydride) has the chemical formula SO2.

Acid Rain SO2 is the molecular formula for sulfur dioxide.

Question: What is the formula for sulfur dioxide? It is invisible and has a nasty, sharp smell. Sulfur dioxide, inorganic compound, a heavy, colorless, poisonous gas. It occurs naturally as one of the decay products of plant and animal matter, and also as one of the gases which are emitted from volcanoes (along with CO 2 and H 2 S).. About 99% of the sulfur dioxide in air comes from human sources.

Sulphur Dioxide. Sulphur dioxide, SO 2, is a dense, colourless gas which is formed when many sulphur compounds are burnt in air.It is very toxic, and has a suffocating odour. It occurs in nature in volcanic gases and in solution in the waters of some warm springs. Structure, properties, spectra, suppliers and links for: SULFUR DIOXIDE, 7446-09-5. SO2 is a toxic gas with rotten, irritating and pungent smell. Reference substance name: Sulphur dioxide EC Number: 231-195-2 EC Name: Sulphur dioxide CAS Number: 7446-09-5 Molecular formula: SO2 IUPAC Name: (oxo-lambda4-sulfanylidene)oxidane Released naturally by volcanic activity, this gas is actually toxic with very sharp and irritating smell like burning matches.

What is Sulfur Dioxide? It reacts easily with other substances to form harmful compounds, such as sulfuric acid, sulfurous acid and sulfate particles.