| Identification | ||
| Name | Pyridine sulfur trioxide | |
| Synonyms | Sulfur trioxide pyridine complex | |
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| Molecular Structure |
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| Molecular Formula | C5H5N.SO3 | |
| Molecular Weight | 159.16 | |
| CAS Registry Number | 26412-87-3 | |
| EINECS | 247-683-3 | |
| Properties | ||
| Melting point | 155 ºC | |
| Water solubility | reacts | |