| Name | sulfur trioxide |
|---|---|
| Synonyms |
Schwefeltrioxid
MFCD00011452 SULPHUR TRIOXIDE Sulfan Sulfur oxide (SO3) Sulfuric oxide SULFAN(R) sulfuric acid anhydride SO3 EINECS 231-197-3 Sulfur trioxide SULFURIC ANHYDRIDE sulfur(VI) oxide |
| Density | 1.97 g/mL at 25 °C(lit.) |
|---|---|
| Boiling Point | 44.8 °C |
| Melting Point | 16.8 °C(lit.) |
| Molecular Formula | O3S |
| Molecular Weight | 80.06320 |
| Exact Mass | 79.95680 |
| PSA | 83.30000 |
| LogP | 0.29180 |
| Vapour density | 2.8 (vs air) |
| Vapour Pressure | 280 mm Hg ( 25 °C) |
| 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 |
CHEMICAL IDENTIFICATION
HEALTH HAZARD DATAACUTE TOXICITY DATA
|
| Symbol |
GHS05, GHS07 |
|---|---|
| Signal Word | Danger |
| Hazard Statements | H314-H335 |
| Supplemental HS | Reacts violently with water. |
| Precautionary Statements | P261-P280-P305 + P351 + P338-P310 |
| Personal Protective Equipment | Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US) |
| Hazard Codes | C:Corrosive; |
| Risk Phrases | R14;R34 |
| Safety Phrases | S53-S17-S26-S36/37/39-S45-S8-S25 |
| RIDADR | UN 1829 8/PG 1 |
| WGK Germany | 1 |
| RTECS | WT4830000 |
| Packaging Group | I |
| Hazard Class | 8 |
| Precursor 10 | |
|---|---|
| DownStream 10 | |