| Identification |
| Name: | sulfur trioxide |
| Synonyms: | SO3; Sulfan; Sulfur oxide (SO3); Sulfur trioxide, stabilized; Sulfuric oxide; Sulfuricacidanhydride; sulfuricoxide; sulfurtrioxide,stabilized |
| CAS: | 7446-11-9 |
| EINECS: | 231-197-3 |
| Molecular Formula: | SO3 |
| Molecular Weight: | 80.06 |
| InChI: | InChI=1/O3S/c1-4(2)3 |
| Molecular Structure: |
 |
| Properties |
| Transport: | UN 1829 8 |
| Flash Point: | °C |
| Density: | 1.92 |
| Stability: | Stable. Incompatible with organic materials, finely powdered metals, bases, water, cyanides and a wide variety of other chemicals. Reacts violently with water, oxygen and other chemicals - read a full data sheet before use. |
| Water Solubility: | reacts violently |
| Solubility: | reacts violently with water |
| Appearance: | Needles or polymer |
| Packinggroup: | I |
| Flash Point: | °C |
| Storage Temperature: | Indoors |
| Usage: | Intermediate in sulfuric acid manufacture, in sulfonations for formation of addition compound with amines, in the manufacture of explosives. |
| Safety Data |
| Hazard Symbols |
C:Corrosive
|
| |
 |
