Chemical Search
Sulfur trioxide
1. Molecular Structure
2. Chemical Identity
| Property | Value |
|---|---|
| IUPAC Name | sulfur trioxide |
| Molecular Formula | O3S |
| SMILES | O=S(=O)=O |
3. Chemical Properties
| Property | Value |
|---|---|
| Molecular Weight | 80.07 g/mol |
| TPSA | 52.2 Ų |
| LogP | -0.5 |
| Formal Charge | 0 |
4. Experimental Properties
| Property | Value |
|---|---|
| Boiling Point | 44.8 °C |
| Melting Point | 62.2 °C |
| Density | 1.92 at 68 °F Gamma form (liquid) (EPA, 1998) – Denser than water; will sink |
| Solubility | Slowly very sol in aqueous, and sol in 100 parts water at room temp |
| Flash Point | No data available |
| Autoignition Temp | No data available |
5. Supplier Suggestions
| Supplier | Website | Location |
|---|---|---|
| Sigma Aldrich/Merck | Visit Merck | International |
| Lennox | Visit Lennox | Ireland |
| Doc Solder | Visit Doc Solder | Ireland |
6. GHS Safety & Hazards
Signal Word
Danger
Danger
Hazard Statements
- H314 (85.1%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
- H318 (49.3%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
- H330 (16.1%): Fatal if inhaled [Danger Acute toxicity, inhalation]
- H335 (79.9%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
- H351 (11.3%): Suspected of causing cancer [Warning Carcinogenicity]
- H411 (11.3%): Toxic to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]
Precautionary Statements
- P203, P260, P261, P264, P264+P265, P271, P273, P280, P284, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P317, P318, P319, P320, P321, P363, P391, P403+P233, P405, and P501 (click each P-code to see the statement)