alpha-Toluenesulfonamide
Also known as: alpha-Toluenesulfonamide, Benzenemethanesulfonamide, Benzylsulfonamide, 1-Phenylmethanesulfonamide, Phenylmethanesulfonamide, Toluene-alpha-sulphonamide, NSC 28899, Methanesulfonamide, 1-phenyl-
alpha-Toluenesulfonamide (CAS 4563-33-1) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C7H9NO2S and a molecular weight of 171.217 g/mol. Key properties include a melting point of 103-105°C, a boiling point of 343.1±35.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 161.3±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4563-33-1
- Jingsj CID
- J-19286-9
- Molecular Formula
- C7H9NO2S
- Molecular Weight
- 171.217 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 103-105°C |
|---|---|
| Boiling Point | 343.1±35.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 161.3±25.9 °C |
| Exact Mass | 171.035400 |
| PSA | 68.54000 |
| LogP | 0.49 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.587 |
Customs & Trade Information
| HS Code | 2935009090 |
|---|---|
| Summary | 2935009090 other sulphonamides VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:35.0% |
Frequently Asked Questions
What is the CAS number of alpha-Toluenesulfonamide?
The CAS number of alpha-Toluenesulfonamide is 4563-33-1.
What are the molecular formula and molecular weight of alpha-Toluenesulfonamide?
alpha-Toluenesulfonamide has molecular formula C7H9NO2S and molecular weight 171.217 g/mol.
What are the upstream and downstream products of alpha-Toluenesulfonamide?
For alpha-Toluenesulfonamide, Upstream Products: Benzyl mercaptan, N-ethylbenzenemethanesulfonamide, Dibenzyl disulfide; Downstream Products: Methoxychlor, azidobenzene, Benzyl iodide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "alpha-Toluenesulfonamide (CAS 4563-33-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-19286-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.