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Alfa Aesar™ p-Toluenesulfonic acid monohydrate, 98%

$24.08 - $24.08

Chemical Identifiers

Chemical Name or Material p-Toluenesulfonic acid monohydrate
CAS 6192-52-5
Molecular Formula C7H8O3S·H2O
Formula Weight 190.22g/mol (172.20g/mol Anhydrous)
MDL Number MFCD00142137
UN Number UN2585
Beilstein 3568023
Merck Index 14,9533
Synonym PTSA; Tosic acid monohydrate
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Products
Catalog Number Mfr. No. Quantity Price Quantity    

AAA141190I

 
alfa aesar™
A14119-0I
5000g CALL N/A N/A
 Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.

AAA1411922

 
alfa aesar™
A14119-22
100g Each for $24.08

AAA1411936

 
alfa aesar™
A14119-36
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

Odor Mild
Melting Point 103° to 106°C(anhy)
Boiling Point 140°C (20mmHg)
Quantity 5000g
Flash Point 150°C (302°F)
Chemical Name or Material p-Toluenesulfonic acid monohydrate
CAS 6192-52-5
Assay 98%
Molecular Formula C7H8O3S·H2O
Formula Weight 190.22g/mol (172.20g/mol Anhydrous)
MDL Number MFCD00142137
UN Number UN2585
Beilstein 3568023
Merck Index 14,9533
Synonym PTSA; Tosic acid monohydrate
Health Hazard 1 Danger
Health Hazard 2 GHS H Statement
H314-H335-H319
Causes severe skin burns and eye damage.
May cause respiratory irritation.
Causes serious eye irritation.
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: III; Proper Shipping Name: ARYL SULFONIC ACIDS, SOLID
RTECS Number DB7164000
TSCA TSCA

Applications
p-Toluenesulfonic acid monohydrate is used as a catalyst in the synthesis of resveratrol, in oxane derivatives as an antimalarial agent, as substituted piperidine and unsymmetrical benzyl. It acts as a catalyst in the preparation of 1,3,5-trisubstituted pyrazoles derivatives, selenated ketene dithioacetals, triazoloquinazolinone and benzimidazoquinazolinone derivatives. It also serves as an intermediate in the esterification and in reductive amination reactions.

Notes
Hygroscopic. Incompatible with strong oxidizing agents and strong bases.

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-H335-H319
Causes severe skin burns and eye damage.
May cause respiratory irritation.
Causes serious eye irritation.