Para Toluenesulfonic Acid Monohydrate
Also known as p-Toluenesulfonic acid monohydrate, 4-methylbenzenesulfonic acid hydrate, 4-toluenesulfonic acid monohydrate
- CAS number
- 6192-52-5
- Molecular formula
- C7H8O3SH2O
- Molecular weight
- 190.22 g/mol
- Catalogue number
- OS-19323
- Purity
- 99 %
- Grade
- Reagent / Synthesis, Pharmaceutical (IP/BP/USP/EP)
- Form
- Powder
- Packing
- 25 kg
₹90 per kg
Documents
- Certificate of analysis (COA) On request
- Safety data sheet (MSDS) On request
Specifications
| CAS number | 6192-52-5 |
|---|---|
| Molecular formula | C7H8O3SH2O |
| Molecular weight | 190.22 g/mol |
| IUPAC name | 4-methylbenzenesulfonic acid;hydrate |
| InChIKey | KJIFKLIQANRMOU-UHFFFAOYSA-N |
| SMILES | CC1=CC=C(C=C1)S(=O)(=O)O.O |
| MDL number | MFCD00142137 |
| PubChem CID | 521998 |
| Physical form | Powder |
|---|---|
| Hydration state | Monohydrate |
| Purity | 99 % |
|---|---|
| Grade | Reagent / Synthesis, Pharmaceutical (IP/BP/USP/EP) |
| Packaging size | 25 kg |
|---|---|
| Packaging type | Bag |
| Country of origin | India |
|---|
Description and applications
Toluenesulfonic acid (PTSA) is an aromatic sulfonic acid. It features a toluene group with a sulfonic acid (-SO3H) substituent at the para position relative to the methyl group. PTSA is a colorless to light yellow solid that is highly soluble in water and organic solvents. It is widely used as a catalyst in organic synthesis, particularly for esterification and hydrolysis reactions. PTSA also serves as a strong acid in various chemical processes, including in the preparation of pharmaceuticals, resins, and dyes. Its acidity and solubility make it valuable in both industrial and laboratory applications.
Applications
- Laboratory
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