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Sulfur trioxide-pyridine complex, 98%, active SO3 ca 48-50%
Beschreibung
Sulfur trioxide-pyridine complex is used for sulfations of alcohols, sulfonations, deoxygenations and other reductions, oxidations with dimethyl sulfoxide. It is also used as a source of sulfur trioxide especially in the preparation of sulfate esters. Further, it is used as an activating electrophile in a Parikh-Doering oxidation. In addition to this, it is also used in the preparation and anticoagulation test of sulfated silk fibroin.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
Sulfur trioxide-pyridine complex is used for sulfations of alcohols, sulfonations, deoxygenations and other reductions, oxidations with dimethyl sulfoxide. It is also used as a source of sulfur trioxide especially in the preparation of sulfate esters. Further, it is used as an activating electrophile in a Parikh-Doering oxidation. In addition to this, it is also used in the preparation and anticoagulation test of sulfated silk fibroin.
Solubility
Soluble in polar organic solvents.
Notes
Moisture sensitive. Incompatible with strong oxidizing agents.
Spezifikation
Spezifikation
| Melting Point | ∼155°C to 165°C |
| Quantity | 50 g |
| UN Number | UN3261 |
| Beilstein | 3704116 |
| Sensitivity | Moisture sensitive |
| Solubility Information | Soluble in polar organic solvents. |
| IUPAC Name | pyridine; sulfonylideneoxidane |
| Formula Weight | 159.16 |
| Percent Purity | 98% |
| Chemical Name or Material | Sulfur trioxide-pyridine complex, Active SO3 ≈48 to 50% |
Sicherheit und Handhabung
- Sulfur trioxide-pyridine complex
- Warning
- Acute toxicity Category 4
- Serious eye damage/eye irritation Category 2
- Skin corrosion/irritation Category 2
- H302-Harmful if swallowed.
- H315-Causes skin irritation.
- H319-Causes serious eye irritation.
- P280-Wear protective gloves/protective clothing/eye protection/face protection.
- P301+P330+P331-IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
- P302+P352-IF ON SKIN: Wash with plenty of water/soap.
- P312-Call a POISON CENTER/doctor/if you feel unwell.
- P337+P313-If eye irritation persists: Get medical advice/attention.
- MIXTURE LIST-Contains : Sulfur trioxide, compound with pyridine
RUO – Research Use Only
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