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Alfa Aesar™ Lawesson's Reagent, 97%

$43.86 - $43.86

Chemical Identifiers

CAS 19172-47-5
Molecular Formula C14H14O2P2S4
Formula Weight 404.47
MDL Number MFCD00005171
UN Number UN3134
Beilstein 1024888
Merck Index 14,5391
Synonym 2,4-Bis(4-methoxyphenyl)-2,4-dithioxo-1,3,2,4-dithiadiphosphetane; 4-Methoxyphenylthionophosphine sulfide dimer
Chemical Name or Material Lawesson's Reagent
View More Specs


Products ${productFamilyLength}
Catalog Number Mfr. No. Quantity Price Quantity  
Catalog Number Mfr. No. Quantity Price Quantity  
AAA1453014 SDS Alfa Aesar™
A1453014*
25g Each for $43.86
AAA1453036 SDS Alfa Aesar™
A1453036
500g N/A N/A  
Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.
AAA1453006 SDS Alfa Aesar™
A1453006
5g N/A N/A  
Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.
AAA1453022 SDS Alfa Aesar™
A1453022
100g 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
Lawesson′s reagent is a thiation agent used to convert carbonyl compounds into thiocarbonyls. It is also used to thionate enones, esters, lactones, amides, lactams and quinones. Further, it is used to prepare thiols from alcohols. It is associated with silver perchlorate and utilized as and oxophilic Lewis acid catalyst for Diels-Alder reaction of dienes with alfa, beta-unsaturated aldehydes.

Solubility
Insoluble in water.

Notes
Incompatible with strong oxidizing agents.
Description & Specifications

Chemical Identifiers

19172-47-5
404.47
UN3134
14,5391
Lawesson's Reagent
C14H14O2P2S4
MFCD00005171
1024888
2,4-Bis(4-methoxyphenyl)-2,4-dithioxo-1,3,2,4-dithiadiphosphetane; 4-Methoxyphenylthionophosphine sulfide dimer

Specifications

19172-47-5
404.47
UN3134
14,5391
221° to 225°C
Lawesson's Reagent
C14H14O2P2S4
MFCD00005171
1024888
2,4-Bis(4-methoxyphenyl)-2,4-dithioxo-1,3,2,4-dithiadiphosphetane; 4-Methoxyphenylthionophosphine sulfide dimer
25g
97%

Safety and Handling

GHS H Statement
H331-H261-H302-H315-H319-H335
Toxic if inhaled.
In contact with water releases flammable gas.
Harmful if swallowed.
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.

GHS P Statement
P231+P232-P261-P280-P305+P351+P338-P405-P501a
Handle under inert gas.
Protect from moisture.
Avoid breathing dust/fume/gas/mist/vapors/spray.
Wear protective gloves/protective clothing/eye protection/face protection.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.

Danger

DOTInformation : Transport Hazard Class: 4.3; Packing Group: III; Proper Shipping Name: WATER-REACTIVE SOLID, TOXIC, N.O.S.

TSCA : TSCA