2,5-difluorophenyl isothiocyanate

2,5-二氟异硫氰酸苯酯

Also known as: 1,4-difluoro-2-isothiocyanatobenzene, 2,5-difluorobenzenisothiocyanate, Benzene, 1,4-difluoro-2-isothiocyanato-, MFCD00041046

2,5-difluorophenyl isothiocyanate (CAS 206559-57-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H3F2NS and a molecular weight of 171.16700 g/mol. It is also known as 1,4-difluoro-2-isothiocyanatobenzene, 2,5-difluorobenzenisothiocyanate and Benzene, 1,4-difluoro-2-isothiocyanato-. Key properties include a boiling point of 205 °C(lit.), a density of 1.338 g/mL at 25 °C(lit.) and a flash point of 198 °F. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
206559-57-1
Jingsj CID
J-1480677-3
Molecular Formula
C7H3F2NS
Chinese Name
2,5-二氟异硫氰酸苯酯
Molecular Weight
171.16700 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point205 °C(lit.)
Density1.338 g/mL at 25 °C(lit.)
Flash Point198 °F

GHS Safety & Compliance

CorrosionSignal word: Danger

Frequently Asked Questions

What is the CAS number of 2,5-difluorophenyl isothiocyanate?

The CAS number of 2,5-difluorophenyl isothiocyanate is 206559-57-1.

What are the molecular formula and molecular weight of 2,5-difluorophenyl isothiocyanate?

2,5-difluorophenyl isothiocyanate has molecular formula C7H3F2NS and molecular weight 171.16700 g/mol.

Is 2,5-difluorophenyl isothiocyanate hazardous?

2,5-difluorophenyl isothiocyanate has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "2,5-difluorophenyl isothiocyanate (CAS 206559-57-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1480677-3 (accessed 2026-10-25).

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