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Benzenesulfonic acid, 94%

Catalog No. p-7023084
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AAA1614822 100 g
AAA1614836 500 g
AAA161480E 2500 g
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Catalog No. AAA1614822 Supplier Thermo Scientific Chemicals Supplier No. A1614822
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Description

CAS: 98-11-3 | C6H6O3S | 158.171 g/mol

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.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

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.

Chemical Identifiers

CAS 98-11-3
Molecular Formula C6H6O3S
Molecular Weight (g/mol) 158.171
MDL Number MFCD00011689
InChI Key SRSXLGNVWSONIS-UHFFFAOYSA-N
Synonym benzenesulphonic acid, phenylsulfonic acid, besylic acid, benzene sulphonic acid, benzenemonosulfonic acid, benzene sulfonic acid, kyselina benzensulfonova, benzensulfonic acid, ccris 4595, kyselina benzensulfonova czech
PubChem CID 7371
ChEBI CHEBI:64455
IUPAC Name benzenesulfonic acid
SMILES C1=CC=C(C=C1)S(=O)(=O)O

Specifications

Melting Point ∼45°C to 50°C
Density 1.32
Flash Point >110°C (230°F)
Quantity 100 g
UN Number UN2585
Beilstein 742513
Sensitivity Hygroscopic
Merck Index 14,1070
Solubility Information Soluble in water and alcohol. Slightly soluble in benzene. Insoluble in non-polar solvents.
Formula Weight 158.18
Percent Purity 94%
Chemical Name or Material Benzenesulfonic acid
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Safety and Handling

Hazard Category H302-H314-H335
Hazard Statement GHS H Statement
H314-H318-H302
Causes severe skin burns and eye damage.
Causes serious eye damage.
Harmful if swallowed.
Precautionary Statement P260-P264b-P270-P271-P280-P303+P361+P353-P304+P340-P305+P351+P338-P310-P330-P331-P363-P501c
DOTInformation Transport Hazard Class: 8; Packing Group: III; Proper Shipping Name: ARYL SULFONIC ACIDS, SOLID
EINECSNumber 202-638-7
RTECSNumber DB4200000
TSCA Yes
Recommended Storage Ambient temperatures

RUO – Research Use Only