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Sulfur trioxide
Сумпор триоксид · Trioxyde de soufre · ثلاثي أكسيد الكبريت · Sulfat anhidridi · Серен триоксид · Schwefeltrioxid · Τριοξείδιο του θείου · Óxido de azufre · تری اکسید سولفور · Kén-trioxid · Belerang trioksida · Anidride solforica
| CAS | 7446-11-9 |
|---|---|
| EC | 231-197-3 |
| UN | 1829 |
| Formula | SO3 |
| Molýar massa | 80.07 g/mol |
| Gazyň ýa-da bugyň otnositel dykyzlygy (howa = 1) | 2.76 |
| GHS | Howp · H314, H318, H330, H335, H351, H411 |
Sulfur trioxide is a sulfur oxide. Sulfur trioxide, is a colorless to white crystalline solid which will fume in air. Often shipped with inhibitor to prevent polymerization. It reacts violently with water to form sulfuric acid with the release of heat.