Please login to your online account to display your discounted pricing

Alfa Aesar™ Benzenesulfonic acid, 94%

Chemical Identifiers

Chemical Name or Material Benzenesulfonic acid
CAS 98-11-3
Molecular Formula C6H6O3S
Formula Weight 158.18g/mol
MDL Number MFCD00011689
UN Number UN2585
Beilstein 742513
Merck Index 14,1070
View More Specs
Products
Catalog Number Mfr. No. Quantity Price Quantity    

AAA161480E

 
alfa aesar™
A16148-0E
2500g CALL N/A N/A
 Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.

AAA1614822

 
alfa aesar™
A16148-22
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.

AAA1614836

 
alfa aesar™
A16148-36
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 ≈45° to 50°C
Quantity 2500g
Flash Point >110°C (230°F)
Chemical Name or Material Benzenesulfonic acid
CAS 98-11-3
Assay 94%
Molecular Formula C6H6O3S
Formula Weight 158.18g/mol
MDL Number MFCD00011689
UN Number UN2585
Beilstein 742513
Merck Index 14,1070
Health Hazard 1 Danger
Health Hazard 2 GHS H Statement
H314-H318-H302
Causes severe skin burns and eye damage.
Causes serious eye damage.
Harmful if swallowed.
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 DB4200000
TSCA TSCA

Applications
Benzenesulfonic acid is mainly consumed by conversion to other specialty chemicals. A variety of pharmaceutical drugs are prepared as salts of benzenesulfonic acid and are known as besylates or besilates. The alkali metal salt of benzenesulfonic acid was once widely used in the production of phenol. It acts as an acid catalyst for direct esterification of amino acids and peptides.

Solubility
Soluble in water and alcohol. Slightly soluble in benzene. Insoluble in non-polar solvents.

Notes
It is hygroscopic. Incompatible with oxidizing agents and 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-H318-H302
Causes severe skin burns and eye damage.
Causes serious eye damage.
Harmful if swallowed.