C12H13NO3S
251.3 g/mol
Research ReagentWarning
Pyridinium p-toluenesulfonate
CAS24057-28-1EC246-002-7
Category
Research Reagent
Compound Class
Other
Primary Use
Research Compound
Pyridinium p-toluenesulfonate is a salt-like compound formed from pyridine and p-toluenesulfonic acid. It is commonly used as an organocatalyst in chemical synthesis.
Organocatalyst for chemical synthesis
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
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ReferenceSame Category
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ReferenceSame Category
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Referencestereoisomer of
2-Aminomalononitrile 4-methylbenzenesulphonate
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Referencestereoisomer of
P-toluenesulfonic acid monohydrate
CAS6192-52-5
Catalyst in organic synthesis
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H373May cause damage to organs through prolonged or repeated exposure
H412Harmful to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for Pyridinium p-toluenesulfonate (CAS 24057-28-1) is 2933.31.
HS code (international, 6-digit)
2933.31
EU CN code (8-digit)
2933 31 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
4-methylbenzenesulfonate;pyridin-1-ium
InChIKey
ZDYVRSLAEXCVBX-UHFFFAOYSA-N
SMILES
CC1=CC=C(C=C1)S(=O)(=O)[O-].C1=CC=[NH+]C=C1
Synonyms (37)
- PPTS
- PYRIDINE TOSYLATE
- Pyridine ptoluenesulfonate
- Pyridinium 4-toluenesulfonate
- Pyridinium p-toluenesulfonate
- Pyridinium toluene4sulphonate
- pyridine p-toluenesulphonate
- pyridine toluene-4-sulphonate
- pyridinium 4-toluensulfonate
- pyridinium 4-tolyl sulfonate
- pyridinium p-toluenesufonate
- pyridinium p-toluenesulfonat
- pyridinium p-toluensulfonate
- pyridinium tosylate
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