Pyridine sulfur trioxide
- Product NamePyridine sulfur trioxide
- CAS26412-87-3
- MFC5H5NO3S
- MW159.16
- EINECS247-683-3
- MOL File26412-87-3.mol
Chemical Properties
| Melting point | ~160 °C |
| bulk density | 600kg/m3 |
| storage temp. | Store below +30°C. |
| solubility | Soluble in polar organic solvents. |
| form | Powder |
| color | White to beige |
| Water Solubility | reacts |
| Sensitive | Moisture Sensitive |
| BRN | 3704116 |
| InChI | InChI=1S/C5H5N.O3S/c1-2-4-6-5-3-1;1-4(2)3/h1-5H; |
| InChIKey | UDYFLDICVHJSOY-UHFFFAOYSA-N |
| SMILES | C1=CC=NC=C1.S(=O)(=O)=O |
| CAS DataBase Reference | 26412-87-3(CAS DataBase Reference) |
| EPA Substance Registry System | Pyridine sulfur trioxide (26412-87-3) |
Safety Information
| Hazard Codes | C |
| Risk Statements | 22-34 |
| Safety Statements | 26-36/37/39-45 |
| RIDADR | UN 3261 8/PG 2 |
| WGK Germany | 3 |
| F | 3-10-21 |
| Autoignition Temperature | >350 °C |
| TSCA | TSCA listed |
| HazardClass | 8 |
| PackingGroup | II |
| HS Code | 29420000 |
| Storage Class | 8A - Combustible corrosive hazardous materials |
| Hazard Classifications | Acute Tox. 4 Oral Eye Dam. 1 Skin Corr. 1B |
| Toxicity | LD50 orally in Rabbit: 500 - 2000 mg/kg |