p-Toluenesulfonic anhydride
对甲苯磺酸酐
Also known as: 4-Methylbenzenesulfonic anhydride, Tosic anhydride, 4-Toluenesulfonic anhydride, p-Toluenesulphonic anhydride, Toluene-4-sulfonic anhydride, 4-Methylbenzenesulfonic acid anhydride, (4-methylphenyl)sulfonyl 4-methylbenzenesulfonate, 1,3-bis(4-methylphenyl)-1,1,3,3-tetraoxo-1λ6,3λ6-dithioxane
- CAS No.
- 4124-41-8
- Jingsj CID
- J-12706-6
- Molecular Formula
- C14H14O5S2
- Chinese Name
- 对甲苯磺酸酐
- Molecular Weight
- 326.388 g/mol
- Category
- Solvents
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | 121-127 °C(lit.) |
|---|---|
| Boiling Point | 478.0±48.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 242.9±29.6 °C |
GHS Safety & Compliance
CorrosionSignal word: Danger
Frequently Asked Questions
What is the CAS number of p-Toluenesulfonic anhydride?
4124-41-8
What are the molecular formula and molecular weight of p-Toluenesulfonic anhydride?
C14H14O5S2, molecular weight 326.388 g/mol
Is p-Toluenesulfonic anhydride hazardous?
Danger
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026