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4-Bromo-N-methylbenzenesulfonamide

Also known as: Benzenesulfonamide,4-bromo-N-methyl-, 4-Bromo-N-methylbenzenesulfonamide, N-Methyl-4-bromobenzenesulfonamide, p-Bromo-N-methylbenzenesulfonamide, NSC 400647, 4-Bromo-N-methylbenzenesulphonamide, 4-Brom-benzolsulfonsaeure-methylamid, 4-bromo-benzenesulfonic acid methylamide, N-METHYL 4-BROMOBENZENESULFONAMIDE, p-bromo-N-methyl-benzenesulfonamide

4-Bromo-N-methylbenzenesulfonamide (CAS 703-12-8) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C7H8BrNO2S and a molecular weight of 250.11300 g/mol. Key properties include a melting point of 70-72ºC, a boiling point of 330.3ºC at 760 mmHg, a density of 1.601g/cm3 and a flash point of 153.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
703-12-8
Jingsj CID
J-1523756-6
Molecular Formula
C7H8BrNO2S
Molecular Weight
250.11300 g/mol
Category
Organic Bases
Last updated
8/21/2026
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Physicochemical Properties

Melting Point70-72ºC
Boiling Point330.3ºC at 760 mmHg
Density1.601g/cm3
Flash Point153.6ºC
Exact Mass248.94600
PSA54.55000
LogP2.82890
Refractive Index1.574

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 4-Bromo-N-methylbenzenesulfonamide?

The CAS number of 4-Bromo-N-methylbenzenesulfonamide is 703-12-8.

What are the molecular formula and molecular weight of 4-Bromo-N-methylbenzenesulfonamide?

4-Bromo-N-methylbenzenesulfonamide has molecular formula C7H8BrNO2S and molecular weight 250.11300 g/mol.

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

Last updated:

How to cite: Jingsj. "4-Bromo-N-methylbenzenesulfonamide (CAS 703-12-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1523756-6 (accessed 2026-11-09).

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