135070

Benzenesulfonic acid

technical grade, 90%

• Linear Formula: C₆H₅SO₃H
• CAS Number: 98-11-3
• Molecular Weight: 158.18
• Beilstein: 742513
• MDL number: MFCD00011689
• UNSPSC Code: 12352106
• PubChem Substance ID: 24848198
• NACRES: NA.22

Properties

• grade: technical grade
• Quality Level: 200
• Assay: 90%
• form: solid
• functional group: sulfonic acid
• SMILES string: OS(=O)(=O)c1ccccc1
• InChI: 1S/C6H6O3S/c7-10(8,9)6-4-2-1-3-5-6/h1-5H,(H,7,8,9)
• InChI key: SRSXLGNVWSONIS-UHFFFAOYSA-N

Description

General description

Benzenesulfonic acid, also known as besylic acid, is a strong organic acid commonly used as an acid catalyst in various organic reactions, such as esterification, alkylation, and condensation reactions. It is also used as a sulfonating agent to introduce sulfonic acid (SO3H) groups into organic compounds, which can be useful in the synthesis of several dye intermediates.

Safety Information

• Pictograms: GHS05,GHS07
• Signal Word: Danger
• Hazard Statements: H290,H302,H314
• Precautionary Statements: P234 - P260 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B
• Storage Class Code: 8A - Combustible corrosive hazardous materials
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable