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3-Aminobenzenesulfonamide

Also known as: 3-Aminobenzenesulfonamide, m-Aminobenzenesulfonamide, Benzenesulfonamide, 3-amino-, Metaniilamide, Metanilic acid amide, 3-Aminobenzenesulphonamide, m-Sulfamoylaniline, 3-aminosulfonylaniline, aniline-3-sulfonic acid amide, MFCD00035781, EINECS 202-646-0

3-Aminobenzenesulfonamide (CAS 98-18-0) 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 139 °C, a boiling point of 420.7±47.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 208.3±29.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
98-18-0
Jingsj CID
J-1041746-6
Molecular Formula
C6H8N2O2S
Molecular Weight
172.205 g/mol
Category
Organic Bases
Last updated
8/21/2026

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Physicochemical Properties

Melting Point139 °C
Boiling Point420.7±47.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point208.3±29.3 °C
Exact Mass172.030655
PSA94.56000
LogP-1.20
Vapor Pressure0.0±1.0 mmHg at 25°C
Refractive Index1.628

Customs & Trade Information

HS Code2935009090
Summary2935009090 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 3-Aminobenzenesulfonamide?

The CAS number of 3-Aminobenzenesulfonamide is 98-18-0.

What are the molecular formula and molecular weight of 3-Aminobenzenesulfonamide?

3-Aminobenzenesulfonamide has molecular formula C6H8N2O2S and molecular weight 172.205 g/mol.

What are the upstream and downstream products of 3-Aminobenzenesulfonamide?

For 3-Aminobenzenesulfonamide, Upstream Products: 3-Nitrobenzenesulfonamide, 3-Nitrobenzenesulfonyl chloride, Sodium 3-nitrobenzenesulfonate; Downstream Products: 4-amino-3-hydroxybenzenesulfonamide, 3-hydroxybenzenesulfonamide.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "3-Aminobenzenesulfonamide (CAS 98-18-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1041746-6 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.