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


Overview
Brand: Alfa Aesar™

Manufacturer Part Number: A12202.0B

UNSPSC: 12352005

Code: NEW

Additional Details:
Additional Details: CAS Number: 26412-87-3 Weight: 0.01000kg


Quantity 1000g

Product Code. 11464863

Quantity Price
1 £ 281.11 / 1000g
Estimated Shipment date
from Supplier 11-05-2017
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Description and Specification

Chemical Identifiers

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

Specification

Formula Weight 159.16
Health Hazard 3 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.
Health Hazard 1 Danger
Synonym Pyridine-sulfur trioxide complex
Assay 98%
Molecular Formula C5H5NO3S
Name Note Active SO3 ≈48 to 50%
MDL Number MFCD00012437
DOT Information Transport Hazard Class: 8; Packing Group: II; Proper Shipping Name: CORROSIVE SOLID, ACIDIC, ORGANIC, N.O.S.
Chemical Name or Material Sulfur trioxide-pyridine complex
Health Hazard 2 GHS H Statement
H314-H318-H302
Causes severe skin burns and eye damage.
Causes serious eye damage.
Harmful if swallowed.
TSCA TSCA
CAS 26412-87-3
UN Number UN3261
Beilstein 3704116
Melting Point ≈155° to 165°C
Quantity 1000g

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.

Documentation

Technical documents

Safety and Handling

Danger

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.