2-Aminobenzenesulfonamide
Also known as: o-Aminobenzenesulfonamide, orthanilamide, o-sulfanilamide, 2-sulphamoylaniline, 2-amino-benzenesulfonamide, benzenesulfonamide, 2-amino-, aminobenzenesulfonamide, sulfamoylaniline
2-Aminobenzenesulfonamide (CAS 3306-62-5) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C6H8N2O2S and a molecular weight of 172.205 g/mol. Key properties include a melting point of 155-157 °C(lit.), a boiling point of 392.7±44.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 191.3±28.4 °C. It is classified under GHS with signal word Warning and hazard statements H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3306-62-5
- Jingsj CID
- J-1993825-1
- Molecular Formula
- C6H8N2O2S
- Molecular Weight
- 172.205 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 155-157 °C(lit.) |
|---|---|
| Boiling Point | 392.7±44.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 191.3±28.4 °C |
| Exact Mass | 172.030655 |
| PSA | 94.56000 |
| LogP | 0.22 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.628 |
GHS Safety & Compliance
- H319 — Causes serious eye irritation
Activity & Biological Data
| Target | carbonic anhydrase IX[1] |
|---|---|
| Additional Information | [1]. Vullo D, et al. Carbonic anhydrase inhibitors: inhibition of the tumor-associated isozyme IX with aromatic and heterocyclic sulfonamides. Bioorg Med Chem Lett. 2003 Mar 24;13(6):1005-9. |
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 2-Aminobenzenesulfonamide?
The CAS number of 2-Aminobenzenesulfonamide is 3306-62-5.
What are the molecular formula and molecular weight of 2-Aminobenzenesulfonamide?
2-Aminobenzenesulfonamide has molecular formula C6H8N2O2S and molecular weight 172.205 g/mol.
Is 2-Aminobenzenesulfonamide hazardous?
2-Aminobenzenesulfonamide has GHS signal word Warning and hazard statements H319 — Causes serious eye irritation.
What are the upstream and downstream products of 2-Aminobenzenesulfonamide?
For 2-Aminobenzenesulfonamide, Upstream Products: 2-Nitrobenzenesulfonamide, 2H-1,2,4-Benzothiadiazin-3(4H)-one 1,1-dioxide, 2-Nitrobenzenesulfonyl chloride; Downstream Products: 2-Amino-5-bromobenzenesulfonamide, Benzenesulfonamide, 2-(methylamino)- (9CI), Diazoxide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Aminobenzenesulfonamide (CAS 3306-62-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1993825-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.