4-Bromo-2-(tert-butyl)isothiazol-3(2H)-one 1,1-dioxide

4-溴-2-(叔丁基)异噻唑-3(2H)-酮1,1-二氧化物

Also known as: 3(2H)-Isothiazolone, 4-bromo-2-(1,1-dimethylethyl)-, 1,1-dioxide, 4-Bromo-2-(2-methyl-2-propanyl)-1,2-thiazol-3(2H)-one 1,1-dioxide, 4-Bromo-2-tert-butyl-1,1-dioxo-1,2-dihydroisothiazol-3-one, 4-Bromo-2-tert-butyl-1,2-thiazol-3(2H)-one 1,1-dioxide, 4-bromo-2-tert-butyl-1,1-dioxo-1,2-thiazol-3-one

4-Bromo-2-(tert-butyl)isothiazol-3(2H)-one 1,1-dioxide (CAS 126623-65-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H10BrNO3S and a molecular weight of 268.128 g/mol. It is also known as 3(2H)-Isothiazolone, 4-bromo-2-(1,1-dimethylethyl)-, 1,1-dioxide, 4-Bromo-2-(2-methyl-2-propanyl)-1,2-thiazol-3(2H)-one 1,1-dioxide and 4-Bromo-2-tert-butyl-1,1-dioxo-1,2-dihydroisothiazol-3-one. Key properties include a boiling point of 313.8±52.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 143.6±30.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
126623-65-2
Jingsj CID
J-1045102-3
Molecular Formula
C7H10BrNO3S
Chinese Name
4-溴-2-(叔丁基)异噻唑-3(2H)-酮1,1-二氧化物
Molecular Weight
268.128 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point313.8±52.0 °C at 760 mmHg
Density1.7±0.1 g/cm3
Flash Point143.6±30.7 °C

Frequently Asked Questions

What is the CAS number of 4-Bromo-2-(tert-butyl)isothiazol-3(2H)-one 1,1-dioxide?

The CAS number of 4-Bromo-2-(tert-butyl)isothiazol-3(2H)-one 1,1-dioxide is 126623-65-2.

What are the molecular formula and molecular weight of 4-Bromo-2-(tert-butyl)isothiazol-3(2H)-one 1,1-dioxide?

4-Bromo-2-(tert-butyl)isothiazol-3(2H)-one 1,1-dioxide has molecular formula C7H10BrNO3S and molecular weight 268.128 g/mol.

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

Last updated:

How to cite: Jingsj. "4-Bromo-2-(tert-butyl)isothiazol-3(2H)-one 1,1-dioxide (CAS 126623-65-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1045102-3 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.