12635
Benzenesulfonic acid
98.0% (T)
Synonym(s):
Phenylsulfonic acid
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About This Item
Linear Formula:
C6H5SO3H
CAS Number:
Molecular Weight:
158.18
Beilstein:
742513
EC Number:
MDL number:
UNSPSC Code:
12352106
PubChem Substance ID:
NACRES:
NA.22
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Quality Level
Assay
98.0% (T)
form
solid
impurities
≤1.0% water
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
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General description
Benzenesulfonic acid (BSA), also known as phenylsulfonic acid, is the simplest aromatic sulfonic acid. It is also used as a catalyst for Michael′s reactions and in the oxidative alkenylation process.
Application
Benzenesulfonic acid is an aryl sulfonic acid that can be used:
- As an oxidizing agent in the synthesis of Fe(III) benzenesulfonate.
- As a catalyst during the vapor-phase nitration of benzene.
- As a reagent in the synthesis of organic salts.
- To form an organic salt with 5,7-dimethyl-1,8-naphthyridine-2-amine, that can be a synthon for developing supramolecular structures.
- As a dopant for the polymerization of pyrrole to form poly(pyrrole), a conducting polymer useful in the development of flexible capacitors.
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Oral - Eye Dam. 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
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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