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Alfa Aesar™ Sulfur trioxide-pyridine complex, 98%, active SO3 ≈48-50%

Manufacturer:  Alfa Aesar™ A1220218

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Catalog No. AAA1220218



Description

Description

Applications
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

Specifications

Sulfur trioxide-pyridine complex
Active SO3 ≈48 to 50%
98%
MFCD00012437
3704116
UDYFLDICVHJSOY-UHFFFAOYSA-N
pyridine;sulfur trioxide
168533
~155°C to 165°C
50g
26412-87-3
C5H5NO3S
UN3261
Pyridine-sulfur trioxide complex
C1=CC=NC=C1.O=S(=O)=O
159.159
159.16

Chemical Identifiers

26412-87-3
159.159
UDYFLDICVHJSOY-UHFFFAOYSA-N
168533
C1=CC=NC=C1.O=S(=O)=O
C5H5NO3S
MFCD00012437
Pyridine-sulfur trioxide complex
pyridine;sulfur trioxide
Safety and Handling

Safety and Handling

GHS H Statement
H314-H318-H302
Causes severe skin burns and eye damage.
Causes serious eye damage.
Harmful if swallowed.

GHS P Statement
P260-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501a
Do not breathe dust/fume/gas/mist/vapors/spray.
IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do.
Continue rinsing.
IF SWALLOWED: Rinse mouth.
Do NOT induce vomiting.
Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.

Danger

DOTInformation : Transport Hazard Class: 8; Packing Group: II; Proper Shipping Name: CORROSIVE SOLID, ACIDIC, ORGANIC, N.O.S.

TSCA : TSCA

SDS Documents