missing translation for 'onlineSavingsMsg'
Learn More
Please login to your online account to display your discounted pricing

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

$289.38 - $289.38

Chemical Identifiers

CAS 26412-87-3
Molecular Formula C5H5NO3S
Formula Weight 159.16
MDL Number MFCD00012437
UN Number UN3261
Beilstein 3704116
Synonym Pyridine-sulfur trioxide complex
Chemical Name or Material Sulfur trioxide-pyridine complex, Active SO3 ≈48 to 50%
View More Specs


Products ${productFamilyLength}
Catalog Number Mfr. No. Quantity Price Quantity  
Catalog Number Mfr. No. Quantity Price Quantity  
AAA1220230 SDS Alfa Aesar™
A1220230
250g Each for $289.38
AAA122020B SDS Alfa Aesar™
A122020B
1000g N/A N/A  
Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.
AAA1220209 SDS Alfa Aesar™
A1220209
10g N/A N/A  
Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.
AAA1220218 SDS Alfa Aesar™
A1220218
50g N/A N/A  
Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.
Specifications

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.
Description & Specifications

Chemical Identifiers

26412-87-3
159.16
UN3261
Pyridine-sulfur trioxide complex
C5H5NO3S
MFCD00012437
3704116
Sulfur trioxide-pyridine complex, Active SO3 ≈48 to 50%

Specifications

250g
C5H5NO3S
MFCD00012437
3704116
≈155° to 165°C
98%
26412-87-3
159.16
UN3261
Pyridine-sulfur trioxide complex
Sulfur trioxide-pyridine complex, Active SO3 ≈48 to 50%

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