7,8-difluoro-3,4-dihydro-2H-1,4-benzothiazine

7,8-二氟-3,4-二氢-2H-苯并[b][1,4]噻嗪

Also known as: 2H-1,4-Benzothiazine, 7,8-difluoro-3,4-dihydro-, 7,8-difluoro-3,4-dihydro-2H-benzo[b][1,4]thiazine, 7,8-difluoro-3,4-dihydro-2H-1,4-Benzothiazine

7,8-difluoro-3,4-dihydro-2H-1,4-benzothiazine (CAS 198278-55-6) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H7F2NS and a molecular weight of 187.21000 g/mol. It is also known as 2H-1,4-Benzothiazine, 7,8-difluoro-3,4-dihydro-, 7,8-difluoro-3,4-dihydro-2H-benzo[b][1,4]thiazine and 7,8-difluoro-3,4-dihydro-2H-1,4-Benzothiazine. Key properties include a boiling point of 243.046ºC at 760 mmHg, a density of 1.335g/cm3 and a flash point of 100.791ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
198278-55-6
Jingsj CID
J-1358623-8
Molecular Formula
C8H7F2NS
Chinese Name
7,8-二氟-3,4-二氢-2H-苯并[b][1,4]噻嗪
Molecular Weight
187.21000 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point243.046ºC at 760 mmHg
Density1.335g/cm3
Flash Point100.791ºC

Frequently Asked Questions

What is the CAS number of 7,8-difluoro-3,4-dihydro-2H-1,4-benzothiazine?

The CAS number of 7,8-difluoro-3,4-dihydro-2H-1,4-benzothiazine is 198278-55-6.

What are the molecular formula and molecular weight of 7,8-difluoro-3,4-dihydro-2H-1,4-benzothiazine?

7,8-difluoro-3,4-dihydro-2H-1,4-benzothiazine has molecular formula C8H7F2NS and molecular weight 187.21000 g/mol.

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

Last updated:

How to cite: Jingsj. "7,8-difluoro-3,4-dihydro-2H-1,4-benzothiazine (CAS 198278-55-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1358623-8 (accessed 2026-10-25).

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