tert-Butyl 4-methylbenzenesulfonate
对甲苯磺酸叔丁酯
Also known as: tert-Butyl tosylate, tert-Butyl p-toluenesulfonate, 2-Methyl-2-propanyl 4-methylbenzenesulfonate, Benzenesulfonic acid, 4-methyl-, 1,1-dimethylethyl ester, p-Toluolsulfonsaeure-tert-butylester, tert-Butyl-<toluol-4-sulfonat>
tert-Butyl 4-methylbenzenesulfonate (CAS 4664-57-7) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C11H16O3S and a molecular weight of 228.308 g/mol. It is also known as tert-Butyl tosylate, tert-Butyl p-toluenesulfonate and 2-Methyl-2-propanyl 4-methylbenzenesulfonate. Key properties include a boiling point of 322.8±11.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 149.0±19.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4664-57-7
- Jingsj CID
- J-1384730-6
- Molecular Formula
- C11H16O3S
- Chinese Name
- 对甲苯磺酸叔丁酯
- Molecular Weight
- 228.308 g/mol
- Category
- Solvents
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 322.8±11.0 °C at 760 mmHg |
|---|---|
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 149.0±19.3 °C |
Frequently Asked Questions
What is the CAS number of tert-Butyl 4-methylbenzenesulfonate?
The CAS number of tert-Butyl 4-methylbenzenesulfonate is 4664-57-7.
What are the molecular formula and molecular weight of tert-Butyl 4-methylbenzenesulfonate?
tert-Butyl 4-methylbenzenesulfonate has molecular formula C11H16O3S and molecular weight 228.308 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "tert-Butyl 4-methylbenzenesulfonate (CAS 4664-57-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1384730-6 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.