Sulfur trioxide CAS#: 7446-11-9; ChemWhat Code: 22281
Names & Identifiers |
| Product Name | Sulfur trioxide |
| Synonyms | Oxosulfane dioxide;SULFUR TRIOXIDE, 99%, PACKAGED IN AMPULES, STABILIZED;Sulfur(VI) trioxide;Sulfan;Sulfur oxide (SO3);Sulfur trioxide, stabilized;Sulfuric oxide;Sulfuricacidanhydride |
| CAS Registry Number | 7446-11-9 |
| Molecular Formula | O3S |
| Molecular Weight | 80.06 |
| EINECS | 231-197-3 |
| Other Registry Numbers | ; |
| IUPA Names, InChI, InChI Key, Canonical SMILES, etc.: | IUPA Names, InChI, InChI Key, Canonical SMILES, etc. |
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Chemical & Physical Properties |
| Melting point | 16.8 °C(lit.) |
| Boiling Point | 44.8 °C |
| Density | 1.97 g/mL at 25 °C(lit.) |
| vapor Density | 2.8 (vs air) |
| vapor pressure | 280 mm Hg ( 25 °C) |
| Storage | Indoors |
| Water Solubility | reacts violently |
| Merck | 13,9069 |
| 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. |
| More Properties From PubChem | Topological Polar Surface Area, Monoisotopic Mass, etc. |
| NIST Chemistry Reference | Sulfur trioxide(7446-11-9) |
| EPA Substance Registry System | Sulfur trioxide(7446-11-9) |
Safety & Hazards(Codes & Phrases) |
| Hazard Codes | O,T+,C |
| R Phrase | 45-8-14-26-34-37-35 |
| S Phrase | 53-17-26-36/37/39-45-8-25-30 |
| RIDADR | UN 1829 8/PG 1 |
| WGK Germany | 1 |
| RTECS | WT4830000 |
| Storage Class | 8 |
| Packing Group | I |
| Hazardous Substances Data | 7446-11-9(Hazardous Substances Data) |
| More Safety & Hazards From PubChem | Signal, GHS Hazard Statements, Precautionary Statement Codes, etc. |
Literature |
| Literature on PubChem | Synthesis References, Metabolite References, etc. |
Patents |
| Patents on PubChem | Related Patents Of This Product |
Transportation, Storage & Usage |
| Transportation | No Information |
| Storage | No Information |
| Usage | No Information |
Spectral Properties |
| No Information |
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