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Alfa Aesar™ Sulfur trioxide-trimethylamine complex, 95%

Chemical Identifiers

Chemical Name or Material Sulfur trioxide-trimethylamine complex
CAS 3162-58-1
Molecular Formula C3H9NO3S
Linear Formula (CH3)3N:SO3
Formula Weight 139.17g/mol
MDL Number MFCD00012421
UN Number UN3261
Beilstein 3681759
Synonym Trimethylamine-sulfur trioxide complex
View More Specs
Products
Catalog Number Mfr. No. Quantity Price Quantity    

AAL0030214

 
alfa aesar™
L00302-14
25g CALL N/A N/A
 Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.

AAL0030222

 
alfa aesar™
L00302-22
100g CALL N/A N/A
 Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.

AAL0030236

 
alfa aesar™
L00302-36
500g CALL N/A N/A
 Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.
Description & Specifications

Specifications

Melting Point ≈235°C
Quantity 25g
Chemical Name or Material Sulfur trioxide-trimethylamine complex
CAS 3162-58-1
Assay 95%
Molecular Formula C3H9NO3S
Linear Formula (CH3)3N:SO3
Formula Weight 139.17g/mol
MDL Number MFCD00012421
UN Number UN3261
Beilstein 3681759
Synonym Trimethylamine-sulfur trioxide complex
Health Hazard 1 Danger
Health Hazard 2 GHS H Statement
H314-H318
Causes severe skin burns and eye damage.
Causes serious eye damage.
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.
DOT Information Transport Hazard Class: 8; Packing Group: II; Proper Shipping Name: CORROSIVE SOLID, ACIDIC, ORGANIC, N.O.S.

Applications
Sulfur trioxide-trimethylamine complex acts as a reagent for sulfonation and sulfamation reactions. It is used as a reactant for the synthesis of sulfate-conjugated resveratrol metabolites and chitooligosaccharides. It is used in association with dodecyl thioglycopyranoside, which acts as a surfactant for enantiomeric separation. Further, it acts as a nucleophile used for the preparation of alfa-tosyloxy ketones.

Solubility
Soluble in hot water and ethanol. Slightly soluble in dimethyl sulfoxide and methanol. Insoluble in water.

Notes
Moisture sensitive. Incompatible with strong oxidizing agents.

Safety and Handling

Danger

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.

GHS H Statement
H314-H318
Causes severe skin burns and eye damage.
Causes serious eye damage.