Sodium p-toluenesulfonate
对甲苯磺酸钠
Also known as: p-Toluenesulfonic acid sodium salt, Sodium 4-methylbenzenesulfonate, Toluene-4-sulfonic acid sodium salt, 4-Methylbenzenesulfonic acid sodium salt, Sodium p-tosylate
- CAS No.
- 657-84-1
- Jingsj CID
- J-12947-3
- Molecular Formula
- C7H7NaO3S
- Chinese Name
- 对甲苯磺酸钠
- Molecular Weight
- 194.18 g/mol
- Category
- Solvents
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | >300°C |
|---|---|
| Boiling Point | 140ºC at 20 MM HG |
| Density | 1.55 g/cm3 (20℃) |
| Flash Point | 500ºC |
GHS Safety & Compliance
IrritantSignal word: Warning
Frequently Asked Questions
What is the CAS number of Sodium p-toluenesulfonate?
657-84-1
What are the molecular formula and molecular weight of Sodium p-toluenesulfonate?
C7H7NaO3S, molecular weight 194.18 g/mol
Is Sodium p-toluenesulfonate hazardous?
Warning
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026