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Sulfur trioxide-pyridine complex, 98%, active SO3 ca 48-50%, Thermo Scientific Chemicals
Description
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.
Specifications
Melting Point | ∼155°C to 165°C |
Quantity | 10 g |
UN Number | UN3261 |
Beilstein | 3704116 |
Sensitivity | Moisture sensitive |
Solubility Information | Soluble in polar organic solvents. |
IUPAC Name | pyridine;sulfur trioxide |
Formula Weight | 159.16 |
Percent Purity | 98% |
Chemical Name or Material | Sulfur trioxide-pyridine complex, Active SO3 ≈48 to 50% |
Safety and Handling
Hazard Category | H302-H315-H319 |
Hazard Statement | GHS H Statement H314-H318-H302 Causes severe skin burns and eye damage. Causes serious eye damage. Harmful if swallowed. |
Precautionary Statement | P264b-P270-P280-P301+P312-P302+P352-P305+P351+P338-P330-P332+P313-P362-P501c |
DOTInformation | Transport Hazard Class: 8; Packing Group: II; Proper Shipping Name: CORROSIVE SOLID, ACIDIC, ORGANIC, N.O.S. |
EINECSNumber | 247-683-3 |
TSCA | Yes |
Recommended Storage | Ambient temperatures; Store under Nitrogen |
RUO – Research Use Only
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